The Kynix Components

CatalogFeaturesMaximum RatingsThermal CharacteristicsMarking DiagramElectrical CharacteristicsOrdering InformationPackage Dimensions2N5551 Datasheet2N5551 FAQ FeaturesPb−Free Packages are Available* Maximum RatingsRatingSymbolValueUnitCollector − Emitter Voltage2N55502N5551VCEO 140160VdcCollector − Base Voltage2N55502N5551VCBO 160180VdcEmitter − Base VoltageVEBO6.0VdcCollector Current − ContinuousIC600mAdcTotal Device Dissipation @ TA = 25°C Derate above 25°CPD6255.0mW mW/°CTotal Device Dissipation @ TC = 25°C Derate above 25°CPD1.512WmW/°COperating and Storage Junction Temperature RangeTJ, Tstg−55 to +150°C Thermal CharacteristicsCharacteristicSymbolMaxUnitThermal Resistance, Junction−to−AmbientRθJA200℃/WThermal Resistance, Junction−to−CaseRθJC83.3℃/W Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. Marking Diagram2N5551 Marking Diagramx = 0 or 1A = Assembly Location Y = YearWW = Work Week▪ = Pb−Free Package(Note: Microdot may be in either location) Electrical Characteristics  (TA = 25°C unless otherwise noted)CharacteristicSymbolMinMaxUnitOFF CHARACTERISTICSCollector−Emitter Breakdown Voltage (Note 1)      2N5550        (IC = 1.0 mAdc, IB = 0)                                            2N5551V(BR)CEO140    160−       −VdcCollector−Base Breakdown Voltage                         2N5550        (IC = 100 µAdc, IE = 0 )                                           2N5551V(BR)CBO160    180−       −VdcEmitter−Base Breakdown Voltage                                                    (IE = 10 µAdc, IC = 0)V(BR)EBO6−VdcCollector Cutoff Current(VCB = 100 Vdc, IE = 0)                                                2N5550(VCB = 120 Vdc, IE = 0)                                                2N5551(VCB = 100 Vdc, IE = 0, TA = 100℃)                           2N5550(VCB = 120 Vdc, IE = 0, TA = 100℃)                           2N5551ICBO−       −       −       −100    50    100    50nAdc     µAdcEmitter Cutoff Current (VEB = 4.0 Vdc, IC = 0)IEBO−50nAdcON CHARACTERISTICS (Note 1)DC Current Gain (IC = 1.0 mAdc, VCE = 5.0 Vdc)        2N5550                                                                                        2N5551                                                                             (IC = 10 mAdc, VCE = 5.0 Vdc)         2N5550                                                             2N5551       (IC = 50 mAdc, VCE = 5.0 Vdc)         2N5550                                                             2N5551hFE60     80     60     80  20 30−       −250   250      −       −−Collector−Emitter Saturation Voltage       Both Types               (IC = 10 mAdc, IB = 1.0 mAdc)               2N5550                          (IC = 50 mAdc, IB = 5.0 mAdc)               2N5551   VCE(sat)− −−0.15 0.25   0.2VdcBase−Emitter Saturation Voltage          Both Types                   (IC = 10 mAdc, IB = 1.0 mAdc)               2N5550                              (IC = 50 mAdc, IB = 5.0 mAdc)               2N5551   VBE(sat)− −−1.0      1.2  1.0VdcSMALL−SIGNAL CHARACTERISTICSCurrent−Gain — Bandwidth Product                  (IC = 10 mAdc, VCE = 10 Vdc, f = 100 MHz)fT100300MHzOutput Capacitance                                (VCB = 10 Vdc, IE = 0, f = 1.0 MHz)Cobo−6.0 pFInput Capacitance                                         2N5550(VEB = 0.5 Vdc, IC = 0, f = 1.0 MHz)        2N5551Cibo− −30   20pFSmall−Signal Current Gain                                                                (IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz)hfe50200−Noise Figure                                                                          2N5550(IC = 250 µAdc, VCE = 5.0 Vdc, RS = 1.0 kΩ, f = 1.0 kHz)           2N5551NF−        −10  8dB1.Pulse Test: Pulse Width≤ 300 µs, Duty Cycle ≤ 2.0%. 2N5551 DC Current Gain  2N5551 Collector Saturation Region  2N5551 Collector Cut−Off Region  2N5551 “On” Voltages  2N5551 Temperature Coefficients  2N5551 Switching Time Test Circuit  2N5551 Capacitances  2N5551 Turn−On Time  2N5551 Turn−Off Time Ordering InformationDevicePackageShipping†2N5550TO−92 5000 Units / Box2N5550GTO−92(Pb−Free)2N5550RLRATO−92 2000 / Tape & Reel2N5550RLRAGTO−92(Pb−Free)2N5550RLRPTO−92 2000 / Tape & Ammo Box2N5550RLRPGTO−92(Pb−Free)2N5551TO−92 5000 Units / Box2N5551GTO−92(Pb−Free)2N5551RL1TO−92   2000 / Tape & Reel2N5551RL1GTO−92(Pb−Free)2N5551RLRATO−922N5551RLRAGTO−92(Pb−Free)2N5551RLRMTO−92  2000 / Tape & Ammo Box2N5551RLRMGTO−92(Pb−Free)2N5551RLRPTO−922N5551RLRPGTO−92(Pb−Free)2N55551ZL1TO−922N55551ZL1GTO−92(Pb−Free) †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. Package Dimensions NOTES:1.Dimensioning and tolerancing per ansi Y14.5M, 1982.2.Controlling dimension: inch.3.Contour of package beyond dimension R is uncontrolled.4.Lead dimension is uncontrolled in P and beyond dimension K minimum. DIM INCHESMILLIMETERSMINMAXMINMAXA0.1750.2054.455.20B0.1700.2104.325.33C0.1250.1653.184.19D0.0160.0210.4070.533G0.0450.0551.151.39H0.0950.1052.422.66J0.0150.0200.390.50K0.500−−−12.70−−−L0.250−−−6.35−−−N0.0800.1052.042.66P−−−0.100−−−2.54R0.115−−−2.93−−−V0.135−−−3.43−−−STYLE 1:PIN 1. EMITTER2.BASE3.COLLECTOR 2N5551 DatasheetYou can download the datasheet of 2N5551 from the link given below:2N5551 Datasheet 2N5551 FAQWhat are 2N5551 Amplifier Transistors?The 2N5551 is an NPN amplifier transistor with an amplification factor (hfe) of 80 when the collector current is 10mA. It also has decent switching characteristics (transition frequency is 100MHz) hence can amplify low-level signals. What do transistors do in an amplifier?A transistor acts as an amplifier by raising the strength of a weak signal. The DC bias voltage applied to the emitter base junction, makes it remain in forward biased condition. This forward bias is maintained regardless of the polarity of the signal. How do transistors work?A transistor works when the electrons and the holes start moving across the two junctions between the n-type and p-type silicon. The small current that we turn on at the base makes a big current flow between the emitter and the collector. 

CatalogCD4013B DescriptionCD4013B Related Video InstructionCD4013B CAD ModelsCD4013B Pin ConfigurationCD4013B Block DiagramCD4013B FeaturesCD4013B ApplicationsCD4013B DatasheetCD4013B SpecificationsCD4013B ManufacturerUsing WarningCD4013B FAQCD4013B DescriptionThe CD4013B device consists of two identical, independent data-type flip-flops. Each flip-flop has independent data, set, reset, and clock inputs and Q and Q outputs. These devices can be used for shift register applications, and, by connecting Q output to the data input, for counter and toggle applications. The logic level present at the D input is transferred to the Q output during the positive-going transition of the clock pulse. Setting or resetting is independent of the clock and is accomplished by a high level on the set or reset line, respectively. The CD4013B types are supplied in 14-pin dual-in line plastic packages (E suffix), 14-pin small-outline packages (M, MT, M96, and NSR suffixes), and 14-pin thin shrink small-outline packages (PW and PWR suffixes). CD4013B Related Video InstructionVideo: CD4013 | 7474 | Dual D type Flip Flops | Divide by 2 Counter | Theory & PracticalCD4013 Video Description:This video will demonstrate the use of CD4013 and 7474 Dual D type flip flops. We will see how to make a divide by 2 counter with the help of DSO. CD4013B CAD Models Figure: PCB Symbol  Figure: Footprint  Figure: 3D Model CD4013B Pin Configuration Figure: Pin Configuration CD4013B Block Diagram Figure: Block Diagram CD4013B FeaturesAsynchronous Set-Reset CapabilityStatic Flip-Flop OperationMedium-Speed Operation: 16 MHz (Typical) ClockToggle Rate at 10-V SupplyStandardized Symmetrical Output CharacteristicsMaximum Input Current Of 1-µA at 18 V Over FullPackage Temperature Range:– 100 nA at 18 V and 25°CNoise Margin (Over Full Package TemperatureRange):– 1 V at VDD = 5 V– 2 V at VDD = 10 V– 2.5 V at VDD = 15 V CD4013B ApplicationsPower DeliveryGrid InfrastructureMedical, Healthcare, and FitnessBody Electronics and LightingBuilding AutomationTelecom InfrastructureTest and Measurement CD4013B DatasheetYou can download of CD4013B the datasheet from the link given below.CD4013B-Datasheet CD4013B SpecificationsProduct Category:Flip FlopsNumber of Circuits:2Logic Family:CD4000Logic Type:D-Type Flip-FlopPolarity:Inverting/Non-InvertingInput Type:CMOSOutput Type:CMOSPropagation Delay Time:300 nsHigh Level Output Current:- 1.5 mALow Level Output Current:1.5 mASupply Voltage - Min:3 VSupply Voltage - Max:18 VMinimum Operating Temperature:- 55 ℃Maximum Operating Temperature:+ 125 ℃Mounting Style:SMD/SMTPackage / Case:PDIP-14Packaging:TubeFunction:Dual CMOSHeight:4.57 mmLength:19.3 mmNumber of Channels:2Number of Input Lines:1Number of Output Lines:1Operating Supply Voltage:10 VOperating Temperature Range:- 55 ℃ to + 125 ℃Product Type:Flip FlopsQuiescent Current:20 uAReset Type:Set, ResetSeries:CD4013BFactory Pack Quantity:1475Subcategory:Logic ICsWidth:6.35 mmUnit Weight:0.035274 oz CD4013B ManufacturerTexas Instruments Incorporated (TI) is an American technology company headquartered in Dallas, Texas, that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. It is one of the top 10 semiconductor companies worldwide based on sales volume.The company's focus is on developing analog chips and embedded processors, which account for more than 80% of its revenue.TI also produces TI digital light processing technology and education technology products including calculators, microcontrollers and multi-core processors. Using WarningNote: Please check their parameters and pin configuration before replacing them in your circuit. CD4013B FAQHow many identical data-type flip-flops does the CD4013B device consist of?Two. What are the CD4013B types supplied in?14-pin dual-in line plastic packages What is the difference between D latch and D flip-flop?The difference between a D-type latch and a D-type flip-flop is that a latch does not have a clock signal to change state whereas a flip-flop always does. The D flip-flop is an edge triggered device which transfers input data to Q on clock rising or falling edge. What is dual D-type flip-flop?Dual D-type flip-flop with set and reset; positive-edge trigger. NRND. The 74LVC74A is a dual edge triggered D-type flip-flop with individual data (nD) inputs, clock (nCP) inputs, set (nSD) and (nRD) inputs, and complementary nQ and nQ outputs. How does a dual D flip-flop work?This device consists of two D flip−flops with individual Set, Reset, and Clock inputs. Information at a D−input is transferred to the corresponding Q output on the next positive going edge of the clock input. Both Q and Q outputs are available from each flip−flop. The Set and Reset inputs are asynchronous. 

STM32 is a family of 32-bit microcontroller integrated circuits by STMicroelectronics.There are five F1 lines: Connectivity (STM32F105/107), Performance (STM32F103), USB Access (STM32F102), Access (STM32F101), Value (STM32F100).CatalogSTM32F103 ApplicationsSTM32F103 FeaturesSTM32F103 AdvantageSTM32F103 ManufacturerSTM32F103 DocumentsSTM32F103 Development ToolsSTM32F103 Development ProcessComponent DatasheetSTM32F103 PinoutFAQSTM32F103 ApplicationsSTM32F103 is a commonly used enhanced series microcontroller of STMicro, which is suitable for:Applications in power electronic systemsMotor drivenApplication controlMedical treatmentHandheld devicesPC gaming peripheralsGPS platformProgramming controllerFrequency converterScannerPrinterAlarm systemVideo intercomHeating and ventilationAir conditioning systemLED strip screen controlSTM32F103 FeaturesThe main resources and features of STM32F103 series microprocessors are as follows:51 fast I/O ports. All I/O ports can be mapped to 16 external interrupts, and almost all ports allow 5V signal input. Each port can be configured by software as output (push-pull or open-drain), input (with or without pull-up or pull-down) or other peripheral function ports.2 12-bit analog-to-digital converters, 16 external input channels, the conversion rate can reach 1MHz, and the conversion range is 0~36V; With dual sampling and holding function; A temperature sensor is embedded inside, which can conveniently measure the temperature of the processor.The flexible 7-channel general-purpose DMA can manage data transfer from memory to memory, device to memory, and memory to device without any intervention by the CPU. Data can be moved quickly through DMA, and CPU resources can be used for other operations. The DMA controller supports the management of the ring buffer, which avoids the interrupt generated when the controller transfer reaches the end of the buffer. The peripherals it supports include timers, ADCs, SPI, I2C, and USART.Debug mode: Support standard 20-pin JTAG simulation debugging and serial single-wire debugging (SWD) function for Cortex-M3 core. Usually the default debugging interface is the JTAG interface.The STM32F103 series microprocessor contains 7 timers.Containing abundant communication interfaces: three USART asynchronous serial communication interfaces, two I2C interfaces, two SPI interfaces, one CAN interface and one USB interface, which provide a guarantee for data communication.STM32F103 AdvantageVideo: Blue Pill STM32F103 Arm ProgrammingSTM32F103 Video Description:This video will demonstrate how to upload an hex file to the Blue Pill STM32F103C8 Arm module. This is a cost effective approach to get into Arm programming as the modules are inexpensive and all tools needed are free.STM32F103 Microcontrollers use the Cortex-M3 core, with a maximum CPU speed of 72 MHz. The portfolio covers from 16 Kbytes to 1 Mbyte of Flash with motor control peripherals, USB full-speed interface and CAN. STM32F103 ManufacturerSTMicroelectronics is a global independent semiconductor company and is a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivaled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence trends.STM32F103 DocumentsProgramming Manual (STM32F103 Reference Manual)STM32F10xxx/20xxx/21xxx/L1xxxx Cortex®-M3 programming manualSTM32F10xxx XL-density Flash programmingSTM32F10xxx Flash memory microcontrollersErrata SheetSTM32F101xC/D/E and STM32F103xC/D/E high-density device limitationsSTM32F101xF/G and STM32F103xF/G XL-density device limitationsSTM32F101x4/6, STM32F102x4/6 and STM32F103x4/6 low-density device limitationsSTM32F101x8/B, STM32F102x8/B and STM32F103x8/B medium-density device limitationsSTM32F103 Development ToolsBefore developing the STM32F103 series MPU, you need to prepare the corresponding software and hardware. The hardware mainly includes the STM32F103 development board (or user target board), J-Link download simulator, etc.; the software mainly includes the KeilVision4IDE development platform. The following is a brief description of their functions and characteristics.(1) STM32F103 development board (or user target board) is the development target.(2) The J-Link download emulator is the hub of program download. The standard 20-core flat cable with it can download the program to the internal storage space of the processor through the JTAG interface. No external power supply is needed, and it can work after being connected to the PC with a USB cable. It also has the characteristics of fast download speed and low power consumption.(3) KeilVision4IDE is a window-based software development platform. It integrates a powerful and modern editor, project manager and make tool, and almost integrates all the tools needed for embedded system development: C/C++ compiler, macro assembler, linker/locator, HEX file generator, etc. The software provides two working modes: compile and debug mode. In the compilation mode, developers can create projects, select target devices, create new files, enter source code, and generate executable files. In the debug mode, developers can use its powerful integrated debugger to debug the application, such as setting breakpoints, single-step execution, etc., which facilitates the search and modification of program errors.STM32F103 Development Process(1) Connect the PC and the STM32F103 development board with the J-Link emulator.(2) Use the KeilVision4IDE development platform to create a new project and write source programs.Open the KeilVision4 software, create a new project file, select the device for the project: STMicroelectronics' STM32F103R8 chip, click OK, a dialog box will pop up, prompting whether to choose to add the startup code to the target project. The startup code is used to complete the initialization of the system and is essential for embedded systems. Add the startup code to the target project, which can greatly save the preparation of the startup code. After the project is created, you can create a new C file under the project, write the source program, and add it to the project after completion. Finally, the library files STM32F10xRLIB and STM32F10xDLIB are also added to the project.(3) Program compilation, download, simulation and debugging, etc.After the program is written, you can compile the file. After compiling without errors, select the Options option. After the Debug program is successfully compiled and linked, select Project/OptionsforTarge. After opening the dialog box, select the Debug tab, and select Cortex-M3J- from the Use drop-down button. Link. After selecting, click setTIngs, click the Add button in the pop-up dialog box, and select STM32F10xMed-densityFlash. Click OK to complete the configuration. The program can be downloaded to the target device through Load.If you need to debug the program online, select Start/StopDebugSession. At this time, you can insert breakpoints, set pointers, single-step execution, reset, etc., and you can also observe the changes of each register value and perform waveform simulation. In short, it is very convenient to debug the program online.Component DatasheetSTM32F103x8, STM32F103xB DatasheetSTM32F103xC, STM32F103xD, STM32F103xE DatasheetSTM32F103x4, STM32F103x6 DatasheetSTM32F103xF, STM32F103xG DatasheetSTM32F103 PinoutHere are pinouts of STM32F103xC/D/E below. Figure: STM32F103xC/D/E Performance Line LQFP144 Pinout  Figure: STM32F103xC/D/E Performance Line LQFP100 Pinout FAQHow many timers does the STM32F103 series microprocessor contain?7How can data be moved quickly through STM32F103?DMAHow many external interrupts can all I/O ports be mapped to?16 external interruptsWhat type of cable can the STM32F103 development board work after being connected to the PC?USBHow Do I Program My Arduino STM32?Setting Up the STM32 on Arduino IDE.Open Arduino IDE and select Preferences. Next click on Tools → Board → Board Manager. After performing the steps above, you can see the STM32 in the boards list.What is STM Board?STM32 is a family of 32-bit microcontroller integrated circuits by STMicroelectronics. ... Internally, each microcontroller consists of the processor core, static RAM, flash memory, debugging interface, and various peripherals.Why is SMT32 So Popular?The STM32 series of microcontrollers from ST Microelectronics is a popular, and very large, family of ARM-based 32-bit microcontrollers. ... While the STM32 microcontrollers are quite versatile and highly configurable, it is this very fact that makes them hard to initialize.Where is STM32 Used?There are various types and varieties of STM32 Microcontrollers available and they belong to the ARM-architecture family of Microcontrollers. These microcontrollers are used in a variety of applications, from simple printers to complex circuit boards in vehicles.How Do I Start Learning STM32?Step 1: Pre-requisites. Install the main tools to program STM32 and run a first example: ...Step 2: Blink LED example on the NUCLEO-L476RG board using STM32CubeMX and HAL. ...Step 3: UART and new board introduction. ...Step 4: Sensors usage with B-L475E-IOT01A. ...Step 5: Build an IOT system.What is STM32 blue pill?STM32 Blue Pill is a high-performance, breadboard friendly development board with loads of features in a small form factor. It features a 32-bit ARM Cortex M3 processor running at 72MHz frequency with 64Kbytes of flash memory and 20 Kbytes of SRAM. 

CatalogDescriptionCAD ModelsPin ConfigurationBlock DiagramSimplified SchematicFeaturesApplicationsDatasheetSpecificationsManufacturerUsing WarningDescriptionThe OPA6x7 DifetB operational amplifiers provide a new level of performance in a precision FET operational amplifier. When compared to the popular OPA111 operational amplifier, the OPA6x7 has lower noise, lower offset voltage, and higher speed. The OPA6x7 is useful in a broad range of precision and high speed analog circuitry. The OPA6x7 is fabricated on a high-speed,dielectrically-isolated complementary NPN/PNP process. It operates over a wide range of power supply voltage of +4.5 V to 士18 V. Laser-trimmed Difet input circuitry provides high accuracy and low-noise performance comparable with the best bipolar-input operational amplifiers. High frequency complementary transistors allow increased circuit bandwidth，attaining dynamic performance not possible with previous precision FET operational amplifiers. The OPA627 is unity-gain stable. The OPA637 is stable in gains equal to or greater than five. Difet fabrication achieves extremely low input bias currents without compromising input voltage noise performance. Low input bias current is maintained over a wide input common-mode voltage range with unique cascode circuitry. The OPA6x7 is available in plastic PDIP, SOIC, and metal TO-99 packages. Industrial and military temperature range models are available. CAD Models Figure: PCB Symbol  Figure: Footprint  Figure: 3D Model Pin Configuration Figure: Pin Configuration Block Diagram Figure: Block Diagram Simplified Schematic Figure: Simplified Schematic FeaturesVery L ow Noise: 4.5 nV/VHz at 10 kHzFast Settling Time:- OPA627- -550 ns to 0.01%- OPA637- 450 ns to 0.01%Low Vos: 100-μV maximumLow Drift: 0.8-μV/℃ maximumLoW lp: 5-pA maximum0PA627: Unity-Gain StableOPA637: Stable in Gain≥5 ApplicationsPrecision InstrumentationFast Data AcquisitionDAC Output AmplifierOptoelectronicsSonar, UltrasoundHigh-Impedance Sensor AmpsHigh-Performance Audio CircuitryActive Filters DatasheetYou can download the datasheet from the link given below.OPA627-Datasheet SpecificationsProduct Category:High Speed Operational AmplifiersRoHS: DetailsSeries:OPA627Number of Channels:1 ChannelGBP - Gain Bandwidth Product:16 MHzSR - Slew Rate:55 V/usVoltage Gain dB:120 dBCMRR - Common Mode Rejection Ratio:100 dB to 110 dBOutput Current per Channel:45 mAIb - Input Bias Current:5 pAVos - Input Offset Voltage:0.1 mVOperating Supply Current:7 mAMinimum Operating Temperature:- 25 CMaximum Operating Temperature:+ 85 CMounting Style:Through HolePackage / Case:PDIP-8Packaging:TubeAmplifier Type:Precisionen - Input Voltage Noise Density:15 nV/sqrt HzFeatures:Burr-Brownâ„¢ AudioHeight:4.57 mmLength:9.81 mmOperating Supply Voltage:36 VOutput Type:Rail-to-RailPd - Power Dissipation:1000 mWProduct:Operational AmplifiersProduct Type:Op Amps - High Speed Operational AmplifiersPSRR - Power Supply Rejection Ratio:106 dBFactory Pack Quantity:50Subcategory:Amplifier ICsTopology:Voltage FeedbackWidth:6.35 mmUnit Weight:0.021164 oz ManufacturerTexas Instruments Incorporated (TI) is an American technology company headquartered in Dallas, Texas, that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. It is one of the top 10 semiconductor companies worldwide based on sales volume.The company's focus is on developing analog chips and embedded processors, which account for more than 80% of its revenue.TI also produces TI digital light processing technology and education technology products including calculators, microcontrollers and multi-core processors. Using WarningNote: Please check their parameters and pin configuration before replacing them in your circuit. 

CatalogDescriptionFeaturesMechanical CharacteristicsMarking DiagramMaximum RatingsThermal CharacteristicsElectrical CharacteristicsDetermining Maximum RatingsSteady−State Thermal ResistanceForward Power DissipationThermal ResponseMounting DataThermal Circuit ModelHigh Frequency OperationOrdering InformationPackage Dimensions1N5817 Datasheet1N5817 FAQDescriptionThis series employs the Schottky Barrier principle in a large area metal−to−silicon power diode. State−of−the−art geometry features chrome barrier metal, epitaxial construction with oxide passivation and metal overlap contact. Ideally suited for use as rectifiers in low−voltage, high−frequency inverters, free wheeling diodes, and polarity protection diodes. FeaturesExtremely Low VFLow Stored Charge, Majority Carrier ConductionLow Power Loss/High EfficiencyThese are Pb−Free Devices* Mechanical CharacteristicsCase: Epoxy, MoldedWeight: 0.4 Gram (Approximately)Finish: All External Surfaces Corrosion Resistant and TerminalLeads are Readily SolderableLead Temperature for Soldering Purposes:260°C Max for 10 SecondsPolarity: Cathode Indicated by Polarity BandESD Ratings: Machine Model = C (>400 V)                                Human Body Model = 3B (>8000 V) Marking Diagram1N5817 Marking Diagram A =Assembly Location1N581x =Device Numberx= 7, 8, or 9YY =YearWW =Work WeekMicrodot =Pb−Free Package(Note: Microdot may be in either location) Maximum RatingsRatingSymbol1N58171N58181N5819UnitPeak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking VoltageVRRM VRWM VR203040VNon−Repetitive Peak Reverse VoltageVRSM243648VRMS Reverse VoltageVR(RMS)142128VAverage Rectified Forward Current (Note 1), (VR(equiv) £ 0.2 VR(dc), TL = 90°C, RθJA = 80°C/W, P.C. Board Mounting, see Note 2, TA = 55°C)IO1.0AAmbient Temperature (Rated VR(dc), PF(AV) = 0, RθJA = 80°C/W)TA858075°CNon−Repetitive Peak Surge Current, (Surge applied at rated load conditions, half−wave, single phase 60 Hz, TL = 70°C)IFSM25 (for one cycle)AOperating and Storage Junction Temperature Range (Reverse Voltage applied)TJ, Tstg−65 to +125°CPeak Operating Junction Temperature (Forward Current applied)TJ(pk)150°C Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. Thermal CharacteristicsCharacteristicSymbolMaxUnitThermal Resistance, Junction−to−AmbientRθJA80° C/W Electrical Characteristics(TL = 25°C unless otherwise noted)CharacteristicSymbol1N58171N58181N5819UnitMaximum Instantaneous Forward Voltage (Note 2)(iF = 0.1 A)vF0.320.330.34V(iF = 1.0 A)0.450.550.6(iF = 3.0 A)0.750.8750.9Maximum Instantaneous Reverse Current @ Rated dc Voltage (Note 2)(TL = 25℃)IR111mA(TL = 100℃)101010 Note:1.Lead Temperature reference is cathode lead 1/32 in from case.2.Pulse Test: Pulse Width = 300 s, Duty Cycle = 2.0%. Determining Maximum Ratings1N5817 Maximum Reference Temperature  1N5818 Maximum Reference Temperature  1N5819 Maximum Reference Temperature Note:3.Reverse power dissipation and the possibility of thermal runaway must be considered when operating this rectifier at reverse voltages above 0.1 VRWM. Proper derating may be accomplished by use of equation (1).where TA(max) = TJ(max) − RΘJAPF(AV) − RΘJAPR(AV)                           (1)TA(max) = Maximum allowable ambient temperatureTJ(max) = Maximum allowable junction temperature(125°C or the temperature at which thermal runaway occurs, whichever is lowest) PF(AV) = Average forward power dissipationPR(AV) = Average reverse power dissipationRΘJA = Junction−to−ambient thermal resistance Figures below permit easier use of equation (1) by taking reverse power dissipation and thermal runaway into consideration. The figures solve for a reference temperature as determined by equation (2).TR = TJ(max) − RΘJAPR(AV)                                                              (2)Substituting equation (2) into equation (1) yields:TA(max) = TR − RΘJAPF(AV)                                                             (3) Inspection of equations (2) and (3) reveals that TR is the ambient temperature at which thermal runaway occurs or where TJ = 125°C, when forward power is zero. The transition from one boundary condition to the other is evident on the curves of Figures above as a difference in the rate of change of the slope in the vicinity of 115°C. The data of Figures is based upon dc conditions. For use in common rectifier circuits, Table 1 indicates suggested factors for an equivalent dc voltage to use for conservative design, that is:VR(equiv) = Vin(PK) x F                                                                     (4) The factor F is derived by considering the properties of the various rectifier circuits and the reverse characteristics of Schottky diodes. EXAMPLE: Find TA(max) for 1N5818 operated in a 12−volt dc supply using a bridge circuit with capacitive filter such that IDC = 0.4 A (IF(AV) = 0.5 A), I(FM)/I(AV) = 10, Input Voltage = 10 V(rms), RΘJA = 80°C/W.Step 1. Find VR(equiv). Read F = 0.65 from Table 1,∴ VR(equiv) = (1.41)(10)(0.65) = 9.2 V.Step 2. Find TR from Figure 2. Read TR = 109°CFind @ VR = 9.2 V and RΘJA = 80°C/W.Step 3. Find PF(AV) from Figure 4. **Read PF(AV) = 0.5 W@ I(FM)/I(AV) = 10 and IF(AV) = 0.5 A.Step 4. Find TA(max) from equation (3).TA(max) = 109 − (80) (0.5) = 69°C.**Values given are for the 1N5818. Power is slightly lower for the 1N5817 because of its lower forward voltage, and higher for the 1N5819. Table 1: Values for Factor FCircuitHalf WaveFull Wave, BridgeFull Wave, Center Tapped* †LoadResistiveCapacitive*ResistiveCapacitiveResistiveCapacitiveSine Wave0.51.30.50.651.01.3Square Wave0.751.50.750.751.51.5 **Note that VR(PK) ≈ 2.0 Vin(PK).†Use line to center tap voltage for Vin. Steady−State Thermal Resistance1N5817 Steady−State Thermal Resistance Forward Power Dissipation1N5817 Forward Power Dissipation Thermal Response1N5817 Thermal Response Mounting DataData shown for thermal resistance, junction−to−ambient (RΘJA) for the mountings shown is to be used as typical guideline values for preliminary engineering, or in case the tie point temperature cannot be measured. 1N5817 Mounting Method Typical Values For RΘJA In Still AirMounting MethodLead Length, L (in) RθJA 1/81/41/23/4 152657285° C/W2678087100° C/W350° C/W Thermal Circuit Model(For heat conduction through the leads)1N5817 Thermal Circuit Model Use of the above model permits junction to lead thermal resistance for any mounting configuration to be found. For a given total lead length, lowest values occur when one side of the rectifier is brought as close as possible to the heatsink. Terms in the model signify:TA = Ambient TemperatureTC = Case TemperatureTL = Lead TemperatureTJ = Junction TemperatureRS = Thermal Resistance, Heatsink to AmbientRL = Thermal Resistance, Lead to HeatsinkRJ = Thermal Resistance, Junction to CasePD = Power Dissipation (Subscripts A and K refer to anode and cathode sides, respectively.) Values for thermal resistance components are:RL = 100°C/W/in typically and 120°C/W/in maximumRJ = 36°C/W typically and 46°C/W maximum. 1N5817 Maximum Non−Repetitive Surge Current  1N5817 Typical Reverse Current High Frequency OperationSince current flow in a Schottky rectifier is the result of majority carrier conduction, it is not subject to junction diode forward and reverse recovery transients due to minority carrier injection and stored charge. Satisfactory circuit analysis work may be performed by using a model consisting of an ideal diode in parallel with a variable capacitance. (See Figure below) Rectification efficiency measurements show that operation will be satisfactory up to several megahertz. For example, relative waveform rectification efficiency is approximately 70 percent at 2.0 MHz, e.g., the ratio of dc power to RMS power in the load is 0.28 at this frequency, whereas perfect rectification would yield 0.406 for sine wave inputs. However, in contrast to ordinary junction diodes, the loss in waveform efficiency is not indicative of power loss: it is simply a result of reverse current flow through the diode capacitance, which lowers the dc output voltage. 1N5817 Typical Capacitance Ordering InformationDevicePackageShipping†1N5817Axial Lead*1000 Units / Bag1N5817GAxial Lead*1000 Units / Bag1N5817RLAxial Lead*5000 / Tape & Reel1N5817RLGAxial Lead*5000 / Tape & Reel1N5818Axial Lead*1000 Units / Bag1N5818GAxial Lead*1000 Units / Bag1N5818RLAxial Lead*5000 / Tape & Reel1N5818RLGAxial Lead*5000 / Tape & Reel1N5819Axial Lead*1000 Units / Bag1N5819GAxial Lead*1000 Units / Bag1N5819RLAxial Lead*5000 / Tape & Reel1N5819RLGAxial Lead*5000 / Tape & Reel †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D.*This package is inherently Pb−Free. Package Dimensions STYLE 1:                                                                                            STYLE 2:  Pin 1. Cathode (Polarity Band)                                                           No Polarity                                     2.Anode Notes:1.Dimensioning and Tolerancing Per AnsiY14.5M, 1982.2.Controlling Dimension: Inch.3.All Rules And Notes Associated WithJedec DO−41 Outline Shall Apply4.Polarity Denoted By Cathode Band.5.Lead Diameter Not Controlled Within FDimension. DIM INCHESMILLIMETERSMINMAXMINMAXA0.1610.2054.105.20B0.0790.1062.002.70D0.0280.0340.710.86F−−−0.050−−−1.27K1.000−−−25.40−−− 1N5817 DatasheetYou can download the datasheet of 1N5817 from the link given below:1N5817 Datasheet 1N5817 FAQWhat is Schottky barrier rectifier?The Schottky diode or Schottky Barrier Rectifier is named after the German physicist “Walter H. Schottky”, is a semiconductor diode designed with a metal by the semiconductor junction. It has a low-forward voltage drop and a very rapid switching act. Actually, it is one of the oldest semiconductor devices in reality. What are Schottky barrier diodes used for?Schottky diodes are used for their low turn-on voltage, fast recovery time and low-loss energy at higher frequencies. These characteristics make Schottky diodes capable of rectifying a current by facilitating a quick transition from conducting to blocking state. How does a Schottky rectifier work?A typical diode combines p-type and n-type semiconductors to form a p-n junction. In a Schottky diode metal replaces the p-type semiconductor. When metal is combined with an n-type semiconductor an m-s junction is formed. What is diode rectifier?A rectifier is a special type of diode that converts alternating current (AC) into direct current (DC). This is an important process, as alternating current is able to reverse direction periodically, while direct current consistently flows in a single direction, making it simple to control. How does a Schottky barrier diode work?In a Schottky diode, a semiconductor–metal junction is formed between a semiconductor and a metal, thus creating a Schottky barrier. The N-type semiconductor acts as the cathode and the metal side acts as the anode of the diode. This Schottky barrier results in both a low forward voltage drop and very fast switching. 

I IntroductionLM567 is a tone decoding phase-locked loop integrated circuit. It is compact in design, simple in circuit, and has a wide range of applications. However, if using improperly, it will bring troubles in debugging.This blog introduces the working principle and tips about how to use LM567 tone decoder for readers' reference.Figure 1. LM567 Tone DecoderCatalogI IntroductionII LM567 Internal Structure & Pin FunctionIII LM567 Working Principle & ApplicationIV Tips of Using Tone Decoder LM567Ordering & QuantityII LM567 Internal Structure & Pin FunctionThe name of LM567 is "phase-locked loop tone decoder", its package form uses 8-pin dual in-line, its internal structure and pin functions are illustrated in Figure 2. Its internal circuit structure is composed of quadrature phase, detector, phase-locked loop, amplifier, etc. The operating voltage range of LM567 is 4.75 - 9V, the operating frequency can reach 500 KHz, and the static operating current is only 8 mA. The pin ③ is the signal input terminal, which requires the input signal to be greater than 2 5 mV. The pin ⑧ is the logic output terminal. It can be seen from the figure that it is an open collector transistor output, which allows a maximum sink current of 100 mA. The external resistance and capacitance of pins ⑤ and ⑥ determine the center frequency f0≈1/1.1RC of IC internal voltage controlled oscillator. Pins ① and ② are usually connected to the ground separately to form an output filter network and a loop low-pass filter network. The capacitor connected to pin ② determines the capture bandwidth. The larger the value of the capacitor, the narrower the loop bandwidth is.Figure 2. Top View of LM567III LM567 Working Principle & ApplicationWhen the tone decoder LM567 works, its phase-locked loop internal current-controlled oscillator generates an oscillation signal of a certain frequency and phase. This signal is sent to the quadrature phase detector together with the signal input at pin ③ for comparison. When the frequency of the signal falls within a given passband, the phase-locked loop locks this signal, and at the same time the internal transistor of the LM567 is controlled to be powered up, and the output terminal of the LM567 outputs low level.The ⑤ pin of LM567 outputs the rectangular signal of the internal oscillator, and the ⑥ pin outputs the sawtooth pulse. The frequency of both is the same as the center frequency of the internal oscillator. The ② pin is the output of the phase-locked loop phase detector. The voltage on is the signal after F/V conversion. If the tone signal is input to the ② pin, then the ⑤ pin outputs the FM square wave signal modulated by the ② pin input signal.From the basic function of LM567, LM567 can be used as an oscillator, modulator or demodulator. Therefore, it can be used as a basic device in the circuit. The application of LM567 has the function of decoding a specific frequency in the input signal, and it is widely used in communication, remote control, measurement, frequency monitoring, etc.Figure 3. LM567 Tone DecoderIV Tips of Using Tone Decoder LM567Although LM567 has a very wide range of applications, if it is not handled properly during design and application, it still fails to achieve the expected results, and even brings trouble to the debugging or affects the reliability of the product. Therefore, it should be considered from the following aspects when using it :    1. Set Operating Frequency and Bandwidth of LM567 Accurately and AppropriatelyWe know that the internal oscillation frequency f0 of LM567 can be pre-set within the range of 0.1 KHz to 500 KHz, and its corresponding bandwidth can also be determined as required within the field range of 7% f0 to 14 % f0.Therefore, after the detected signal is determined, the internal oscillation frequency f0 of LM567 should be set to coincide with the center frequency of the measured signal, and the timing components R and C connected with the 5 and 6 feet of LM567 should be used with high precision. Among them, the setting of the center frequency can be determined by the resistance value of the tuner R. When adjusting, it is necessary to prevent R short circuit or open circuit, otherwise the output level of ⑧ pin will be low level whether there is input signal or not. The external capacitance of the ② pin of LM567 determines the capture bandwidth. The smaller the capacity, the wider the capture bandwidth. However, the capacitance cannot be reduced blindly to increase the bandwidth, so as not to reduce the anti-interference ability or even trigger falsely, which affects the reliability of the product.    2. Make the Center Frequency of the Passband Coincide with the Center Frequency of the Oscillation As Much As PossibleIt should be noted that the center frequency of the passband does not always coincide with the center frequency of the oscillator, and sometimes it will deviate severely. This will inevitably cause a decrease in reliability and sensitivity. Therefore, measures should be taken to make the two centers coincide as much as possible. The circuit shown in Figure 4 can minimize the frequency offset of the two centers.Figure 4. Circuit of LM567    3. Working Voltage of LM567 Should Be StableThe stability of the operating voltage of the LM567 has a fixed response to the stability of the center frequency of the tone decoder.    4. Avoid Misoperation When the Output Terminal is Powered OnLM567 outputs a low level at the moment when the power is turned on. Therefore, for some remote control circuits, it is necessary to add a CR integration delay circuit to the output end to avoid erroneous operation when the power is turned on. This is especially important in the on-off control circuit.  After reading the blog, have you better understand LM567?  Finally, if you have any questions about LM567, please do not hesitate to leave a message in the comment section below!