BUT92

Single Bipolar Transistors Overview

The BUT92 is a Multiepitaxial Planar NPN transistor in a TO-3 package. It features a Collector-Emitter Voltage (VCEO) of 250 V and a Collector Current (IE) of 50 A. The device provides a Total Power Dissipation (Ptot) of 250 W at Tcase ≤ 25°C, with a Junction Temperature up to 200°C. Electrical characteristics include a minimum hFE greater than 10 at IC = 35A, a Collector-Emitter Saturation Voltage (VCE(sat)) of 0.8 V typ at IC = 35A, and a diC/dt rated rise on-state collector current of 125 A/μs.

Single Bipolar Transistors Feature Summary

• High efficiency switching capability
• Very low saturation voltage
• Rectangular safe operating area
• Wide accidental overload area

Single Bipolar Transistors Applications

• Uninterruptable power supply
• Switch mode power supplies
• Motor control

Single Bipolar Transistors Procurement Notes

Verify the specific package variant, as the datasheet indicates a version 'S' for the TO-3 housing. Confirm thermal management requirements against the maximum junction temperature and thermal resistance specifications. Ensure drive circuits support the required base peak current for fast-switching applications. Validate component authenticity through authorized STMicroelectronics distribution channels.

Single Bipolar Transistors Selection Notes

Select this component for high-frequency converters and switching regulators requiring robust current handling. Consider the TO-3 package dimensions for mechanical integration. Evaluate the dynamic voltage characteristics under inductive load conditions. Ensure the application environment stays within the specified storage and operating temperature ranges.

Single Bipolar Transistors Part Context

The BUT92 belongs to STMicroelectronics' preferred sales type category for power transistors. It utilizes Multiepitaxial Planar technology designed for high reliability. The device is engineered specifically for demanding power conversion environments where fast switching and high current capacity are critical performance factors.

Single Bipolar Transistors Replacement Considerations

Consult official STMicroelectronics documentation for verified substitute part numbers. Do not assume cross-compatibility with other NPN transistors without verifying pinout, voltage ratings, and thermal characteristics.