Fairchild (onsemi)

BC857AMTF

BC857AMTF Description

The BC857AMTF is a PNP bipolar junction transistor from Fairchild Semiconductor, designed for high-frequency and high-temperature applications. This surface-mount transistor offers a maximum collector-emitter breakdown voltage of 45V and a maximum collector current of 100mA. With a transition frequency of 150MHz, it is suitable for high-speed switching and amplification tasks.

BC857AMTF Features

• High-Frequency Performance: The BC857AMTF boasts a transition frequency of 150MHz, making it ideal for high-speed switching and amplification applications.
• High-Temperature Operation: It can operate at a junction temperature of up to 150°C, allowing it to be used in harsh environments.
• Low Saturation Voltage: The Vce(sat) is only 650mV at 5mA and 100mA, ensuring low power consumption in saturated conditions.
• High Current Gain: The minimum DC current gain (hFE) is 110 at 2mA collector current and 5V collector-emitter voltage, providing excellent amplification capability.
• RoHS Compliance: The BC857AMTF is compliant with the RoHS3 directive, making it suitable for environmentally friendly applications.
• Unlimited Moisture Sensitivity Level: With an MSL of 1, the device can be stored and handled without any restrictions related to moisture sensitivity.

BC857AMTF Applications

The BC857AMTF's unique combination of high-frequency performance, high-temperature operation, and low saturation voltage makes it an excellent choice for a variety of applications, including:

1. High-Speed Switching Circuits: Its high transition frequency and low saturation voltage make it ideal for high-speed switching applications.
2. Amplification Circuits: The high current gain and low saturation voltage ensure excellent amplification performance.
3. Automotive Applications: The high operating temperature and robustness make it suitable for automotive electronics.
4. Industrial Control Systems: Its ability to operate at high temperatures and high frequencies makes it ideal for industrial control systems.

Conclusion of BC857AMTF

The BC857AMTF is a versatile and high-performance PNP bipolar junction transistor from Fairchild Semiconductor. Its combination of high-frequency performance, high-temperature operation, and low saturation voltage makes it an excellent choice for a wide range of applications, including high-speed switching circuits, amplification circuits, automotive electronics, and industrial control systems. Its RoHS compliance and unlimited moisture sensitivity level further enhance its appeal for environmentally friendly and robust applications.