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STMICROELECTRONICS BU931T high-voltage power transistor

The BU931T is a high-voltage power Darlington transistor designed for automotive environment applications such as electronic ignition power actuators. Manufactured using rugged bipolar technology, it features a collector-emitter voltage of 400 V and a collector current of 10 A. The device offers high operating junction temperature, with a maximum of 175°C, and is available in a TO-220 package suited for high-reliability automotive and industrial switching. Its robust design enables efficient handling of inductive loads and switching pulses, making it ideal for demanding electronic applications.

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Part No:BU931T
Stock:0
Inv Date:06-12-2026
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Part No:BU931T
Stock:0
Inv Date:06-11-2026
Price: Unit price: $4.09
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STMICROELECTRONICS BU931T high-voltage power transistor Specifications:

  • Collector-emitter voltage: 400 V
  • Emitter-base voltage: 5 V
  • Collector current: 10 A
  • Collector peak current: 20 A
  • Total dissipation: 125 W
  • Max. junction temperature: 175°C
  • Storage temperature: -65 to 175°C
  • Thermal resistance junction-case: 12°C/W
  • Package: TO-220
  • Power dissipation for TO-220: 125 W
  • Package mechanical data conforms to industry standards for high-voltage power transistors
  • Designed for automotive environment with high ruggedness
  • Wide operating junction temperature range for demanding applications

Buy the STMicroelectronics BU931T – Reliable High-Voltage Transistor for Industrial Applications

Order the STMicroelectronics BU931T online today—engineered for robust automotive and industrial switching applications. This high-voltage Darlington transistor features a collector-emitter voltage of 400 V and a collector current of 10 A, ensuring reliable performance in demanding environments. Its rugged bipolar technology enables it to handle inductive loads efficiently and withstand high temperatures up to 175°C. Perfect for ignition systems and industrial automation, the BU931T in TO-220 package provides long-term durability, making it a smart choice for engineers seeking high performance and reliability in their power switching designs.

Get STMicroelectronics BU931T today—built for automotive ignition and industrial high-power switching with high ruggedness and long-lasting durability.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS BU931T?

You can click on the BUY or RFQ button to purchase BU931T from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part BU931T?

You can download the BU931T datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of BU931T?

STMICROELECTRONICS

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