DiodesZetex High Power NPN Transistor 3.5 A 300 V 4-Pin SOT-223 FZT857TA

DiodesZetex FZT857TA is a high-power bipolar NPN transistor designed for demanding electronic applications requiring reliable switching and amplification. It supports a maximum DC collector current of 3.5 A and can withstand collector emitter voltages up to 300 V. This transistor leverages a 4-pin SOT-223 surface mount package that facilitates compact PCB designs and efficient thermal management.

The transistor operates over a temperature range spanning from -55°C to 150°C and features a maximum power dissipation rating of 3 Watts, making it suitable for automotive and industrial environments. The device also complies with the AEC-Q101 automotive standard, assuring high reliability under rigorous conditions.

With a minimum DC current gain (hFE) of 15 and a maximum transition frequency of 80 MHz, the FZT857TA transistor performs effectively in medium-frequency amplification and switching circuits. The maximum collector base voltage is rated at 350 V and the emitter base voltage at 6 V, providing robust electrical limits for circuit designs.

This transistor is ideal for use in industrial electronics, automotive electronic control units, power management circuits, and general-purpose amplification tasks. Applications include signal switching, motor control, and voltage regulation circuits. The compact form factor and high voltage/current ratings enable designers to create efficient and reliable electronic systems.

Supports a maximum DC collector current of 3.5 amperes. Maximum collector emitter voltage of 300 volts for high voltage applications. NPN transistor configuration suitable for switching and amplification. Compact 4-pin SOT-223 surface mount package for PCB integration.

Maximum power dissipation of 3 watts ensuring reliable thermal performance. Wide operating temperature range from -55°C to 150°C. Maximum transition frequency of 80 MHz allowing moderate frequency operation. Automotive standard compliant with AEC-Q101 certification.

This transistor belongs to the FZT857 series by DiodesZetex and meets automotive-grade quality standards, ensuring dependable operation in commercial and industrial electronic assemblies. For more Bipolar Transistors and related components, explore the Electronics & Electricals category on EnvMart.