STMicroelectronics START405TR

Brief Description: The START405TR is a surface-mount NPN bipolar junction transistor (BJT) from STMicroelectronics, designed for RF applications. It is a single-element device with a configuration of SINGLE and a package type of SC-82A, SOT-343.

Features:

• High-frequency operation: The transistor has a transition frequency of 42,000 MHz, making it suitable for high-frequency amplifier applications.
• Low noise: The noise figure is typically 1.1 dB at 1.8 GHz, making it suitable for low-noise amplifier applications.
• High gain: The DC current gain (hFE) is 160 at 5 mA and 4 V, providing high gain for amplifier applications.
• High power dissipation: The maximum power dissipation is 45 mW, allowing for high-power applications.
• High temperature range: The operating temperature range is -65°C to 150°C, making it suitable for high-temperature applications.

Application Grade: The START405TR is designed for high-frequency RF applications, such as:

• Low-noise amplifiers (LNAs)
• High-frequency amplifiers (HFAs)
• RF power amplifiers (RF PAs)

Applications:

• Wireless communication systems (e.g., cellular, Wi-Fi, Bluetooth)
• Radar and satellite communication systems
• High-frequency test and measurement equipment
• RF power amplifiers for industrial and medical applications

Overall, the START405TR is a high-performance NPN BJT designed for high-frequency RF applications, offering low noise, high gain, and high power dissipation.