The Kynix Components

CatalogFeatureApplicationStructureOutlineInner CircuitPackaging SpecificationAbsolute Maximum RatingCharacteristicMarkingCharacteristic CurvesDimensionUDZVTE-1736B DatasheetUDZVTE-1736B ManufacturerUsing WarningUDZVTE-1736B FAQ FeatureHigh reliabilitySmall mold type ApplicationVoltage regulation StructureSilicon Epitaxial Planar Outline Inner Circuit Packaging SpecificationPackingEmbossed TapeReel Size(mm)180Taping Width(mm)8Quantity(pcs)3000Taping CodeTE-17MarkingF5 Absolute Maximum Rating (Ta = 25℃)ParameterSymbolLimitsUnitPower dissipationPD200mWJunction temperatureTj150℃Storage temperatureTstg-55 ～ 150℃ Characteristic (Ta = 25ºC)P/NSymbolZener Voltage:VZ(V)Dynamic Impedance:ZZ(Ω)Zener Impedance:ZZK(Ω)Reverse Current:IR(μA)MIN.MAX.Iz(mA)MAX.Iz(mA)MAX.Iz(mA)MAX.VR(V)UDZV 2.0B2.022.25100510000.51200.5UDZV 2.2B2.222.415100510000.51200.7UDZV 2.4B2.432.635100510000.51201UDZV 2.7B2.692.915110510000.51001UDZV 3.0B3.013.225120510000.5501UDZV 3.3B3.323.535120510000.5201UDZV 3.6B3.63.8455100510001101UDZV 3.9B3.894.16510051000151UDZV 4.3B4.174.43510051000151UDZV 4.7B4.554.75510058000.521UDZV 5.1B4.985.258055000.521.5UDZV 5.6B5.495.7356052000.512.5UDZV 6.2B6.066.3356051000.513UDZV 6.8B6.656.935405600.50.53.5UDZV 7.5B7.287.65305600.50.54UDZV 8.2B8.028.365305600.50.55UDZV 9.1B8.859.235305600.50.56UDZV 10B9.7710.215305600.50.17UDZV 11B10.7611.225305600.50.18UDZV 12B11.7412.245305800.50.19UDZV 13B12.9113.495375800.50.110UDZV 15B14.3414.985425800.50.111UDZV 16B15.8516.515505800.50.112UDZV 18B17.5618.355655800.50.113UDZV 20B19.5220.3958551000.50.115UDZV 22B21.5422.47510051000.50.117UDZV 24B23.7224.78512051200.50.119UDZV 27B26.1927.53515051500.50.121UDZV 30B29.1930.69520052000.50.123UDZV 33B32.1533.79525052500.50.125UDZV 36B35.0736.87530053000.50.127UDZV 39B38.0239.9823002--0.130UDZV 43404525502--0.133UDZV 47444926002--0.136 Zener voltage(VZ) is measured by applying current with 40ms pulse. Dynamic resistance(ZZ) is measured by applying small current (AC) and specified current (IZ) simultaneously. MarkingP/NMarkingP/NMarkingUDZV 2.0B2UDZV 10B5UDZV 2.2B12UDZV 11B15UDZV 2.4B22UDZV 12B25UDZV 2.7B32UDZV 13B35UDZV 3.0B42UDZV 15B45UDZV 3.3B52UDZV 16B55UDZV 3.6B62UDZV 18B65UDZV 3.9B72UDZV 20B75UDZV 4.3B82UDZV 22B85UDZV 4.7B92UDZV 24B95UDZV 5.1BA2UDZV 27BA5UDZV 5.6BC2UDZV 30BC5UDZV 6.2BE2UDZV 33BE5UDZV 6.8BF2UDZV 36BF5UDZV 7.5BH2UDZV 39BH5UDZV 8.2BJ2UDZV 43L8UDZV 9.1BL2UDZV 47M8 Characteristic Curves     Dimension (UMD2 SOD-323F SC-90A) UDZVTE-1736B DatasheetYou can download the datasheet from the link given below:UDZVTE-1736B Datasheet UDZVTE-1736B ManufacturerROHM was established in Kyoto, Japan, in 1958. ROHM designs and manufactures semiconductors, integrated circuits and other electronic components. These components find a home in the dynamic and ever-growing wireless, computer, automotive and consumer electronics markets. Some of the most innovative equipment and devices use ROHM products. Using WarningNote: Please check their parameters and pin configuration before replacing them in your circuit. UDZVTE-1736B FAQ1.What is meant by Zener diode?A Zener diode is a silicon semiconductor device that permits current to flow in either a forward or reverse direction. The diode consists of a special, heavily doped p-n junction, designed to conduct in the reverse direction when a certain specified voltage is reached. 2.What is the main function of Zener diode?Zener diodes are used to regulate the voltage on small circuits. When connected in parallel with a variable voltage source that is reverse biased, a Zener diode conducts when the voltage reaches its reverse breakdown voltage. 3.What is the difference between diode and Zener diode?A diode is a semiconductor device which conducts in one direction only. A Zener diode is a semiconductor device which conducts in forward biased as well as reversed biased. On the contrary, Zener diode is designed in a way that it can conduct in a reversed biased mode without getting damaged. 4.What are the advantages of Zener diode?Advantages of Zener DiodesLess expensive than other diodes.Ability to shift voltage.Easily compatible and obtainable across systems.High-performance standard.Protection from over-voltage.Ability to regulate and stabilize circuit voltage.Greater control overflowing current.Usable in smaller circuits. 5.What is Zener diode and types?The Zener diode is a special type of diode that is designed to work in reverse bias and in the so-called Zener region of the diode characteristic curve. This region is after the reverse-biased voltage has exceeded the breakdown voltage (breakdown point). 6.What is Zener diode made of?The true Zener diodes, which have the same properties as avalanche diodes and are used in the same applications, rely on the Zener effect. The diode is made from heavily doped silicon, so that the depletion layer is very thin. 7.How is Zener diode formed?These diodes are made by heavily doped N and P type semiconductors, the quantity of doping of semiconductors is kept different so that their break down voltages are different. In that way, zener diodes different voltage levels have different voltage capacity. 8.How does Zener diode regulate voltage?When zener diode is designed for a specific breakdown voltage, it maintains that voltage by conducting more current when the applied voltage is increased. A ballast resistor in series with it will also absorb the current change thus regulate the voltage across the diode. 9.Why Zener diode is used in reverse bias?Zener diode is a heavily doped diode. It acts as a normal diode in forwarding bias. When the Zener diode is reverse biased the junction potential increases. Therefore the Zener diode turns into a perfect conductor and will drain the current through it. 10.Is Zener diode a rectifier?A zener diode will function as a rectifier but will be limited by its zener voltage which is in effect the reverse breakdown voltage. Suggest using a regular rectifier diode. You will also have a hard time finding a zener with high current ratings that are sometimes required for rectifiers. 11.How do you wire a Zener diode?To connect a zener diode is a circuit and provide a voltage regulation, the zener diode should be connected in reverse biased, in parallel on the power source which gives the zener diode it s voltage, along the source connected to a resistor. The 9v power supply drops across the resistor and the zener diode. 12.Is Zener diode energy efficient?Heating up a zener diode is not an efficient use of this limited energy! Ideally, this efficiency value is er =1, while the worst possible efficiency is er =0. 13.What are the important parameters that should know about the Zener diode?Parameters of Zener DiodeMaximum Zener Current.Minimum Zener Current.Nominal Voltage.Power Dissipation. 14.Why Zener diode is also called breakdown diode?When reverse biased voltage applied to the zener diode reaches zener voltage, it starts allowing large amount of electric current. At this point, a small increase in reverse voltage will rapidly increases the electric current. Because of this sudden rise in electric current, breakdown occurs called zener breakdown. 15.How do you identify a Zener diode?The testing of Zener diodes is the same as the regular diodes. The multimeter is placed in the diode setting and connected to the diode. The forward biased voltage of the diode is found by connecting the positive of the multimeter to the diode's anode. This is the side on the Zener diode that is not marked. 16.Why zener diode do not damage after breakdown?Zener effect incubates when on applying the bias voltage across the diode the valence band of p-region nearly aligns (precisely depends on temperature) with the conduction band of n-region. Here diode does not have any physical breakdown, and hence does not get damaged. 17.What is the resistance of a Zener diode?For a small (1W) zener diode rated at 5V, and at 10mA reverse current, the dynamic resistance is between 10 and 15 ohms. Once again, higher at lower currents. But for the zener, this should not be significant. If it is applied correctly, it will have a constant current through it so the zener voltage will be stable. 18.Can we use zener diode for rectification purpose?Zener diodes are never worked for rectification purposes. Complete step-by-step solution: We do not favour using a Zener Diode in a rectifier circuit because a large maximum peak inverse voltage is needed for a rectifier circuit. Unlike the standard p-n junction diode, a Zener diode has a below peak inverse voltage. 19.How does zener diode reduce DC voltage?A Zener diode's design has the special property of reducing a reverse voltage to a specified value. This makes Zener diodes good, low-cost voltage regulators. To use one in a circuit, you calculate a resistor value, then connect the resistor and Zener across the voltage you want to regulate. 20.How accurate is a Zener diode?The point at which the zener voltage triggers the current to flow through the diode can be very accurately controlled (to less than 1% tolerance) in the doping stage of the diodes semiconductor construction giving the diode a specific zener breakdown voltage, ( Vz ) for example, 4.3V or 7.5V. 21.What happens when a zener diode fails?Interestingly enough, when Zener diodes fail due to excessive power dissipation, they usually fail shorted rather than open. A diode failed in this manner is readily detected: it drops almost zero voltage when biased either way, like a piece of wire. 

 CatalogFeaturesMAXIMUM RATINGSTHERMAL CHARACTERISTICSMARKING DIAGRAMELECTRICAL CHARACTERISTICSSWITCHING TIME EQUIVALENT TEST CIRCUITSPACKAGE DIMENSIONSDatasheet PDF DownloadFAQ FeaturesPb-Free Packages are Available MAXIMUM RATINGSRatingSymbolValueUnitCollector - Emitter VoltageMMBT2222LT1 MMBT2222ALT1VCEO 3040VdcCollector - Base VoltageMMBT2222LT1 MMBT2222ALT1VCBO 6075VdcEmitter - Base VoltageMMBT2222LT1 MMBT2222ALT1VEBO 5.06.0VdcCollector Current - ContinuousIC600mAdcCollector Current - Peak ICM1100mAdc THERMAL CHARACTERISTICSCharacteristicSymbolMaxUnitTotal Device Dissipation FR- 5 Board (Note 1) TA = 25°CDerate above 25°CPD 2251.8 mW mW/°CThermal Resistance, Junction-to-AmbientRθJA556° C/WTotal Device Dissipation Alumina Substrate (Note 2) TA = 25°C Derate above 25°CPD 3002.4 mW mW/°CThermal Resistance, Junction-to-AmbientRθJA417° C/WJunction and Storage Temperature RangeTJ, Tstg-55 to +150°C Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected. 1.FR- 5 = 1.0 × 0.75 × 0.062 in.2.Alumina = 0.4 × 0.3 × 0.024 in. 99.5% alumina.3.Reference SOA MARKING DIAGRAM ELECTRICAL CHARACTERISTICSOFF CHARACTERISTICSCollector - Emitter Breakdown Voltage (IC = 10 mAdc, IB = 0) MMBT2222AMMBT2222V(BR)CEO3040--VdcCollector - Base Breakdown Voltage (IC = 10 µAdc, IE = 0) MMBT2222AMMBT2222V(BR)CBO6075--VdcEmitter - Base Breakdown Voltage (IE = 10 µAdc, IC = 0) MMBT2222AMMBT2222V(BR)EBO5.06.0--VdcCollector Cutoff Current (VCE = 60 Vdc, VEB(off) = 3.0 Vdc)MMBT2222AICEX-10nAdcCollector Cutoff Current (VCB = 50 Vdc, IE = 0)MMBT2222ICBO-0.01µAdc(VCB = 60 Vdc, IE = 0)MMBT2222A -0.01 (VCB = 50 Vdc, IE = 0, TA = 125°C)MMBT2222 -10 (VCB = 60 Vdc, IE = 0, TA = 125°C)MMBT2222A -10 Emitter Cutoff Current (VEB = 3.0 Vdc, IC = 0)MMBT2222AIEBO-100nAdcBase Cutoff Current (VCE = 60 Vdc, VEB(off) = 3.0 Vdc)MMBT2222AIBL-20nAdc ON CHARACTERISTICSDC Current Gain(IC = 0.1 mAdc, VCE = 10 Vdc) hFE 35 --(IC = 1.0 mAdc, VCE = 10 Vdc)  50- (IC = 10 mAdc, VCE = 10 Vdc)  75- (IC = 10 mAdc, VCE = 10 Vdc, TA = -55°C)MMBT2222A only 35- (IC = 150 mAdc, VCE = 10 Vdc) (Note 4)  100300 (IC = 150 mAdc, VCE = 1.0 Vdc) (Note 4)  50- (IC = 500 mAdc, VCE = 10 Vdc) (Note 4)MMBT2222 30-  MMBT2222A 40- Collector - Emitter Saturation Voltage (Note 4) (IC = 150 mAdc, IB = 15 mAdc) MMBT2222VCE(sat) - 0.4Vdc MMBT2222A -0.3 (IC = 500 mAdc, IB = 50 mAdc)MMBT2222 -1.6  MMBT2222A -1.0 Base - Emitter Saturation Voltage (Note 4) (IC = 150 mAdc, IB = 15 mAdc) MMBT2222VBE(sat) - 1.3Vdc MMBT2222A 0.61.2 (IC = 500 mAdc, IB = 50 mAdc)MMBT2222 -2.6  MMBT2222A -2.0  SMALL-SIGNAL CHARACTERISTICSCurrent - Gain - Bandwidth Product (Note 5)(IC = 20 mAdc, VCE = 20 Vdc, f = 100 MHz) MMBT2222 MMBT2222AfT 250 --MHz300Output Capacitance(VCB = 10 Vdc, IE = 0, f = 1.0 MHz)Cobo - 8.0pFInput Capacitance(VEB = 0.5 Vdc, IC = 0, f = 1.0 MHz) MMBT2222Cibo -- 30pF MMBT2222A25Input Impedance(IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) MMBT2222Ahie 2.0 8.0kΩ(IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz)MMBT2222A0.251.25Voltage Feedback Ratio(IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) MMBT2222Ahre -- 8.0X 10- 4(IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz)MMBT2222A4.0 Small - Signal Current Gain(IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) (IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz) MMBT2222A MMBT2222Ahfe 50 300-75375Output Admittance(IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) MMBT2222Ahoe 5.0 35µmhos(IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz)MMBT2222A25200 SMALL-SIGNAL CHARACTERISTICSCollector Base Time Constant(IE = 20 mAdc, VCB = 20 Vdc, f = 31.8 MHz) MMBT2222Arb, Cc - 150psNoise Figure(IC = 100 µAdc, VCE = 10 Vdc, RS = 1.0 kΩ, f = 1.0 kHz) MMBT2222ANF - 4.0dB SWITCHING CHARACTERISTICS (MMBT2222A only)Delay Time(VCC = 30 Vdc, VBE(off) = - 0.5 Vdc, IC = 150 mAdc, IB1 = 15 mAdc)td-10 nsRise Timetr-25Storage Time(VCC = 30 Vdc, IC = 150 mAdc, IB1 = IB2 = 15 mAdc)ts-225 nsFall Timetf-60 SWITCHING TIME EQUIVALENT TEST CIRCUITS     PACKAGE DIMENSIONS Datasheet PDF DownloadYou can download the datasheet from the link given below.MMBT2222ALT1G-Datasheet FAQWhat is the difference between PNP and NPN transistors?In an NPN transistor, a positive voltage is given to the collector terminal to produce a current flow from the collector to the emitter. In a PNP transistor, a positive voltage is given to the emitter terminal to produce current flow from the emitter to collector. What is a transistor used for in everyday life?Transistors are used in almost every electronics devices from stoves to computers and pacemakers to aircraft. 9. The military used the transistor's high-power radio frequency (RF) abilities in radar and hand-held two-way radios. How does a transistor work as 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. 

Product OverviewThe 1N5819RLG is an axial-lead Schottky Rectifier with epoxy moulded case. This series employs the Schottky barrier principle in a large area metal-to-silicon power diode. The state-of-the-art geometry features chrome barrier metal, epitaxial construction with oxide passivation and metal overlap contact. It is ideally suited for use as rectifiers in low-voltage, high-frequency inverters, free-wheeling diodes and polarity protection diodes.CatalogProduct OverviewCAD ModelsPackage DimensionsMounting MethodsMarking Diagram1N5819RLG FeaturesMechanical Characteristics1N5819RLG Product Attributes1N5819RLG ApplicationsAlternate PartsOther NamesUsing Warnings1N5819RLG vs 1N5819GFAQCAD Models1N5819RLG Symbol 1N5819RLG Footprint 1N5819RLG 3D ModelPackage DimensionsPackage DimensionsMounting MethodsMounting MethodsMarking DiagramMarking Diagram1N5819RLG Features• Cathode indicated by polarity band• Extremely low VF• Low stored charge, majority carrier conduction• Low-power loss/high-efficiency• All external surfaces corrosion-resistantMechanical Characteristics• Case: Epoxy, Molded• Weight: 0.4 Gram (Approximately)• Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable• Lead Temperature for Soldering Purposes: 260°C Max for 10 Seconds• Polarity: Cathode Indicated by Polarity Band• ESD Ratings:   Machine Model = C (>400 V)  Human Body Model = 3B (>8000 V)1N5819RLG Product AttributesEU RoHS:Compliant with ExemptionECCN (US):EAR99Part Status:ActiveHTS:8541.10.00.80SVHC:YESSVHC Exceeds Threshold:YESType:Schottky DiodeMaterial:SiMaximum DC Reverse Voltage (V):40Configuration:SinglePeak Reverse Repetitive Voltage (V):40Maximum Continuous Forward Current (A):1Peak Non-Repetitive Surge Current (A):25Peak Forward Voltage (V):0.9@3APeak Reverse Current (uA):vMaximum Junction Ambient Thermal Resistance:80°C/WMaximum Power Dissipation (mW):1250Minimum Operating Temperature (°C):-65Maximum Operating Temperature (°C):125Packaging:Tape and ReelMaximum RMS Reverse Voltage (V):28Supplier Package:DO-41Pin Count:2Standard Package Name:DO-204-ALDiameter:2.7(Max)Mounting:Through HolePackage Length:5.2(Max)PCB changed:2Lead Shape:Through Hole1N5819RLG ApplicationsPower Management, IndustrialAlternate Parts1N5819G, 1N5819HW-7-FOther Names 1N5819RLGOSTR1N5819RLGOSCTUsing WarningsMarket demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.1N5819RLG vs 1N5819GSpecifications1N5819RLG1N5819GPbfree CodeYES*Part Life Cycle CodeActiveActiveIhs ManufacturerON SEMICONDUCTORTAIWAN SEMICONDUCTOR CO LTDPart Package CodeDO-41*Package DescriptionO-PALF-W2*Pin Count2*Manufacturer Package Code59-10*Reach Compliance Codenot_compliantcompliantECCN CodeEAR99EAR99HTS Code8541.10.00.808541.10.00.80Factory Lead Time1 Week*Samacsys DescriptionSchottky barrier diode,1N5819RLG 1A 40V ON Semi 1N5819RLG, Schottky Diode, 40V 1A, 2-Pin DO-41*Samacsys ManufacturerON Semiconductor*Additional FeatureFREE WHEELING DIODE, LOW POWER LOSSFREE WHEELING DIODE, HIGH RELIABILITY, LOW POWER LOSSCase ConnectionISOLATEDISOLATEDConfigurationSINGLESINGLEDiode Element MaterialSILICONSILICONDiode TypeRECTIFIER DIODERECTIFIER DIODEForward Voltage-Max (VF)0.9 V*JEDEC-95 CodeDO-41DO-41JESD-30 CodeO-PALF-W2O-PALF-W2JESD-609 Codee3*Non-rep Pk Forward Current-Max25 A*Number of Elements11Number of Terminals22Operating Temperature-Max125 °C125 °COperating Temperature-Min-65 °C-65 °COutput Current-Max1 A1 APackage Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPackage ShapeROUNDROUNDPackage StyleLONG FORMLONG FORMPeak Reflow Temperature (Cel)260NOT SPECIFIEDQualification StatusNot Qualified*Rep Pk Reverse Voltage-Max40 V40 VSurface MountNONOTechnologySCHOTTKYSCHOTTKYTerminal FinishMatte Tin (Sn) - annealed*Terminal FormWIREWIRETerminal PositionAXIALAXIALTime@Peak Reflow Temperature-Max (s)40NOT SPECIFIEDBase Number Matches11Rohs Code*YESPbfree Code YES*FAQ What type of metal does the 1N5819RLG feature?Chrome barrier metal What is the product Dimensions of 1N5819RLG?5.2 x 2.7 x 2.7 mm What is the Operating Temperature of 1N5819RLG?-65 to 125 °C What is the Mounting type of 1N5819RLG?Through Hole

Product Overview 2N3819 is a general-purpose N-channel Junction Field Effect Transistor. It operates in depletion-mode and requires reverse biasing to turn off. It is designed for medium to high range frequencies. Furthermore, it has a high gain for wideband frequencies and has an importance in VHF/UHF based systems. It is a small-signal device capable of fast switching, signal amplification, and mixing in low noise applications.   This blog will introduce 2N3819 systematically from its features, pinout to its specifications, applications, also including 2N3819 datasheet and so much more.   Catalog Product Overview 2N3819 Features 2N3819 Pinout 2N3819 Pin Configuration 2N3819 Applications 2N3819 Equivalents 2N3819 CAD Models 2N3819 Interfacing Diagram Where to use 2N3819? 2N3819 Circuit Diagram 2N3819 Package 2N3819 Specification 2N3819 Manufacturer 2N3819 Datasheet Using Warnings 2N3819 FAQ   2N3819 Features Type: JFET - N - Channel - DepletionDrain to Source Voltage (VDS) = 25VDrain to Gate Voltage (VDG) = 25VGate to Source Voltage (VGS) = 25VDrain Current (ID)= 0.1 AGate-Source Cut-off Voltage (VGS(off)) = -8.0 Vdc (VDS = 15 Vdc, ID = 10 nAdc)Cut-off Frequency (Note 1) = 700 Mhz (VDS = 15 Vdc, VGS = 0)   2N3819 Pinout The following figure is the diagram of 2N3819 pinout.   2N3819 Pinout   2N3819 Pin Configuration NumberPin NameFunction1SourceSource pin2GateGate pin3DrainDrain pin   2N3819 Applications Low noise applications Modulation of signalsWideband amplifying systemsVHF/UHF mixersHigh-Speed Switching SystemsRF reception and transmission   2N3819 Equivalents 2N44162SK1622N5638NTE312   2N3819 CAD Models The followings are 2N3819 Symbol, Footprint.   2N3819 Symbol   2N3819 Footprint   2N3819 Interfacing Diagram The below image is showing the standard application of the N-Channel JFET 2N3819 as an amplifier.   The C1 is the coupling capacitor and the C2 is the DC blocking capacitor where the output will be harvested. The RC is the collector Resistor and changing this value will change the frequency response of the circuit as well as it will control the DC gain by controlling the collector current. R1 and R2 are used as a voltage divider for biasing the JFET.   A typical value for 12V operation could be: R1 = 100k, R2 = 10k, RC= 10k, and C1, C2 can be 1uF ceramic capacitors.   2N3819 Interfacing Diagram   Where to use 2N3819? This N-channel JFET can be used for low side switching only. Because N-channel JFETs are used to drive low-side power paths only. But if you want to drive a high-side load, you can use any other P-channel JFET. Another important point here to note here is that the drain current of 2N3819 JFET is 100mA. Hence, it will be used for an application that only requires less than 100mA Drain current.   2N3819 Circuit Diagram The following circuit shows the example of 2N3819 JFET as a switch. A DC voltmeter is connected between Drain and sourcr terminal to measure voltage across Drain terminal.   When zero voltage is applied to the Gate terminal of N-channel JFET, FET  operates in saturation mode and It acts like a closed circuit and almost zero voltage appears across the Drain terminal as you can see on the DC voltmeter  . Similarly, when enough negative voltage is applied to Gate terminal of N-channel JFET, FET operates in the cut-off region and It acts as an open circuit and input voltage source (+25V) appears across Drain terminal as you can see on the DC voltmeter.    N-Channel JFET as a Switch   The circuitry for an AC  field detector is shown above:   AC field detector Circuit Diagram   It will explain the working of 2N3819 N-Channel JFET as a field detector. The transistor source terminal is connected with 6-12 Volts of power source to supply voltage to 555 Timer IC. The IC  is further connected with an LED, which brightens when the timer turns on, and a buzzer that produces sound whenever a signal is detected. An antenna is connected to the gate of 2N3819 to detect the  AC field. Whenever the antenna senses a charge or a wave, it will induce a voltage and pass it to the gate terminal. The change in the gate voltage alters ID and activates the TimerIC,  As a result, the led starts to blink, showing the activation of the IC.  and the buzzer produces the sound to indicate that a charge is detected by the antenna.   2N3819 Package The following diagram shows the 2N3819 package.   2N3819 Package   2N3819 Specification SpecificationValuePackageTO-92-3Transistor PolarityNMaximum Gate Source Voltage-25 VZero-Gate Voltage Drain Current20 mAMaximum Drain Gate Voltage25 VMountingThrough HolePackagingBoxTransistor TypeJFETNo. of Pins3 Pin   2N3819 Manufacturer For over 40 years, NTE Electronics, Inc.  has been a leading supplier of high-quality NTE and ECG brand name electrical and electronic components. Product lines include semiconductors, relays, resistors, capacitors, cable ties and bundle management products, LED lighting, optoelectronics, potentiometers and trimmers, RF connectors, heat shrink, soldering irons, soldering stations, and heat guns, solder wick, AC/DC adapters, clips and test leads, terminals and connectors, fuses, fans, tools and hardware, wire and cable, and more.   2N3819 Datasheet You can download 2N3819 datasheet from the link given below: 2N3819 Datasheet   Using Warnings Note: Please check their parameters and pin configuration before replacing them in your circuit.   2N3819 FAQ What is the working principle of N channel JFET? An n-type channel is formed between two p-type layers which are connected to the gate. Majority carrier electrons flow from the source and exit the drain, forming the drain current.   What is the difference between N channel and P-channel JFET? There are two types of JFET: n-channel and p-channel. Due to the fact that electrons move faster than holes, n-channel JFETs are more common than p-channel JFETs. The conduction level in a bipolar junction transistor (BJT) depends on two charge carriers – electrons and holes.   Which is the majority charge carrier in n-channel JFET? Electrons are the majority charge carrier in N-channel JFET. The channel formed is in between source and drain which are made of p-type semiconductor material.   What is the direction of current flow in N-channel JFET? When a voltage greater than pinch off is applied, the current starts flowing from Drain to source.   What does N channel mean? An N-Channel MOSFET is made up of an N channel, which is a channel composed of a majority of electron current carriers. The gate terminals are made up of P material. Depending on the voltage quantity and type (negative or positive) determines how the transistor operates whether it turns on or off.

CatalogFeaturesDescriptionAbsolute Maximum RatingsThermal ResistanceElectrical CharacteristicsSource-Drain Ratings and CharacteristicsPeak Diode Recovery dv/dt Test CircuitPackage OutlinePart Marking InformationDatasheet PDF DownloadIRFZ44 FAQ Features• Advanced Process TechnologyUltra Low On-Resistance• Dynamic dv/dt Rating175°C OperatingTemperature• Fast SwitchingFully AvalancheRatedLead-Free DescriptionAdvanced HEXFET® Power MOSFETs from International Rectifier utilize advanced processing techniques to achieve extremely low on-resistance per silicon area. This benefit, combined with the fast switching speed and ruggedized device design that HEXFET power MOSFETs are well known for, provides the designer with an extremely efficient and reliable device for use in a wide variety of applications. The TO-220 package is universally preferred for all commercial-industrial applications at power dissipation levels to approximately 50 watts. The low thermal resistance and low package cost of the TO-220 contribute to its wide acceptance throughout the industry.Absolute Maximum Ratings ParameterMax.UnitsID @ TC = 25°CContinuous Drain Current, VGS @ 10V49 AID @ TC = 100°CContinuous Drain Current, VGS @ 10V35IDMPulsed Drain Current ➀160PD @TC = 25°CPower Dissipation94W Linear Derating Factor0.63W/°CVGSGate-to-Source Voltage± 20VIARAvalanche Current➀25AEARRepetitive Avalanche Energy➀9.4mJdv/dtPeak Diode Recovery dv/dt ➂5.0V/nsTJTSTGOperating Junction andStorage Temperature Range-55 to + 175 °C Soldering Temperature, for 10 seconds300 (1.6mm from case ) Mounting torque, 6-32 or M3 srew10 lbf•in (1.1N•m) Thermal Resistance ParameterTyp.Max.UnitsRqJCJunction-to-Case–––1.5 °C/WRqCSCase-to-Sink, Flat, Greased Surface0.50–––RqJAJunction-to-Ambient–––62Electrical Characteristics@ TJ = 25°C (unless otherwise specified) ParameterMin.Typ.Max.UnitsConditionsV(BR)DSSDrain-to-Source Breakdown Voltage55––––––VVGS = 0V, ID = 250µADV(BR)DSS/DTJBreakdown Voltage Temp. Coefficient–––0.058–––V/°CReference to 25°C, ID = 1mARDS(on)Static Drain-to-Source On-Resistance––––––17.5mLVGS = 10V, ID = 25A     VGS(th)Gate Threshold Voltage2.0–––4.0VVDS = VGS, ID = 250µAgfsForward Transconductance19––––––SVDS = 25V, ID = 25A IDSSDrain-to-Source Leakage Current––––––25µAVDS = 55V, VGS = 0V––––––250VDS = 44V, VGS = 0V, TJ = 150°CIGSSGate-to-Source Forward Leakage––––––100nAVGS = 20VGate-to-Source Reverse Leakage––––––-100VGS = -20VQgTotal Gate Charge––––––63 nCID = 25A VDS = 44VVGS = 10V, See Fig. 6 and 13QgsGate-to-Source Charge––––––14QgdGate-to-Drain ("Miller") Charge––––––23td(on)Turn-On Delay Time–––12––– nsVDD = 28V ID = 25A RG = 12LVGS = 10V, See Fig. 10  trRise Time–––60–––td(off)Turn-Off Delay Time–––44–––tfFall Time–––45–––LDInternal Drain Inductance–––4.5––– nHBetween lead, D6mm (0.25in.)from package Gand center of die contact SLSInternal Source Inductance–––7.5–––CissInput Capacitance–––1470–––  pFVGS = 0V VDS = 25Vƒ = 1.0MHz, See Fig. 5CossOutput Capacitance–––360–––CrssReverse Transfer Capacitance–––88–––EASSingle Pulse Avalanche Energy–––530 150®mJIAS = 25A, L = 0.47mHSource-Drain Ratings and Characteristics ParameterMin.Typ.Max.UnitsConditionsISContinuous Source Current(Body Diode)––––––49 AMOSFET symbol Dshowing theintegral reverse Gp-n junction diode. SISMPulsed Source Current(Body Diode)➀––––––160VSDDiode Forward Voltage––––––1.3VTJ = 25°C, IS = 25A, VGS = 0V  trrReverse Recovery Time–––6395nsTJ = 25°C, IF = 25Adi/dt = 100A/µs  QrrReverse Recovery Charge–––170260nCtonForward Turn-On TimeIntrinsic turn-on time is negligible (turn-on is dominated by LS+LD)Peak Diode Recovery dv/dt Test Circuit Package OutlinePart Marking Information Datasheet PDF DownloadYou can download the datasheet from the link given below.IRFZ44-Datasheet IRFZ44 FAQWhat is the use of IRFZ44 transistor?The IRFZ44N is a N-channel MOSFET with a high drain current of 49A and low Rds value of 17.5 mΩ. It also has a low threshold voltage of 4V at which the MOSFET will start conducting. Hence it is commonly used with microcontrollers to drive with 5V.What is an channel Mosfet?What is N-Channel MOSFET? The MOSFET formed in which the conduction is due to the channel of majority charge carriers called electrons. When this MOSFET is activated as ON this condition results in the maximum amount of the current flow through the device. This type of MOSFET is defined as N-channel MOSFET.What is a MOSFET power supply?MOSFETs are semiconductor components mostly used in switching applications and characterized by high voltages and high currents. Their higher efficiency and higher switching capacity at high speeds make them the optimal choice in power supply design. 

Product OverviewThe LM78XX series of three-terminal positive regulators is available in the TO-220 package and with several fixed output voltages, making them useful in a wide range of applications. Each type employs internal current limiting, thermal shut-down, and safe operating area protection. If adequate heat sinking is provided, they can deliver over 1 A output current. Although designed primarily as fixedvoltage regulators, these devices can be used with external components for adjustable voltages and currents. This blog will introduce LM7805AC systematically from its features, pinout to its specifications, applications, also including LM7805AC datasheet and so much more. CatalogProduct OverviewRelated Video IntroductionLM7805AC FeaturesLM7805AC PinoutLM7805AC Block DiagramLM7805AC CAD ModelsLM7805AC Circuit DiagramLM7805AC PackageLM7805AC SpecificationLM7805AC ManufacturerLM7805AC DatasheetUsing WarningsLM7805AC FAQ Related Video Introduction Video: Linear Voltage Regulators  (LM7805) | AO #17 LM7805AC Video Description: Curious about how it works? In this AddOhms Tutorial we look at what a Linear Voltage Regulators  is and how to use them in your circuits. LM7805AC FeaturesOutput Current up to 1 AOutput Voltages: 5, 6, 8, 9, 10, 12, 15, 18, 24 VThermal Overload ProtectionShort-Circuit ProtectionOutput Transistor Safe Operating Area Protection LM7805AC PinoutThe following figure is the diagram of LM7805AC pinout. LM7805AC Pinout LM7805AC Block DiagramThe following figure shows the block diagram of LM7805AC. LM7805AC Block Diagram LM7805AC CAD ModelsThe followings are LM7805AC Symbol, Footprint, and 3D Model . LM7805AC Symbol LM7805AC Footprint LM7805AC 3D Model LM7805AC Circuit DiagramThe following is the circuit diagram of LM7805AC. DC Parameters Load Regulation Ripple Rejection High-Current Voltage Regulator LM7805AC PackageThe following diagram shows thLM7805ACe LM7805AC package. LM7805AC Package LM7805AC SpecificationTYPEDESCRIPTIONCategoryPMIC - Voltage Regulators - LinearMfronsemiPackageTubePart StatusObsoleteOutput ConfigurationPositiveOutput TypeFixedNumber of Regulators1Voltage - Input (Max)35VVoltage - Output (Min/Fixed)5VVoltage Dropout (Max)2V @ 1A (Typ)Current - Output1ACurrent - Quiescent (Iq)8 mAPSRR73dB (120Hz)Protection FeaturesOver Temperature, Short CircuitOperating Temperature0°C ~ 125°CMounting TypeThrough HolePackage / CaseTO-220-3 LM7805AC ManufacturerON Semiconductor is a Fortune 500 company driving energy efficient innovations, empowering customers to reduce global energy use. The company is a leading supplier of semiconductor-based solutions, offering a comprehensive portfolio of energy efficient power and signal management, logic, standard and custom devices. The company’s products help engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, medical and military/aerospace applications. LM7805AC DatasheetYou can download LM7805AC datasheet from the link given below:LM7805AC Datasheet Using WarningsNote: Please check their parameters and pin configuration before replacing them in your circuit. LM7805AC FAQWhat is a positive voltage regulator?A positive adjustable voltage regulator produces a regulated positive voltage that can be adjusted. Most regulators are fixed (not adjustable). A negative adjustable voltage regulator produces a regulated negative voltage that can be adjusted. Again, most are fixed. LDO means low drop out. What is negative voltage regulator?Negative voltage regulators are mainly used in Op-Amp and other circuits where a negative supply voltage is needed. In many cases where an Op-Amp is working in dual mode power supply a negative voltage will be regulated by these 79XX ICs. What are the different types of voltage regulators?There are two main types of voltage regulators: linear and switching. Both types regulate a system's voltage, but linear regulators operate with low efficiency and switching regulators operate with high efficiency.