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STMICROELECTRONICS 2ST31A Power Transistor

The 2ST31A is a low voltage NPN power transistor optimized for industrial linear and switching applications. Manufactured in planar technology with a base island layout, it offers high gain performance with low saturation voltage. The device features a collector-emitter voltage of 60V, collector current of 3A, and a maximum power dissipation of 40W. Its robust thermal characteristics include a junction-case resistance of 3.1°C/W, making it suitable for demanding electronic switching and amplification tasks, ensuring reliable and efficient operation.

Authorized Distributors
Source:Newark
Part No:2ST31A
Stock:153
Inv Date:06-12-2026
Price: Unit price: $1.48
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Source:DigiKey
Part No:2ST31A
Stock:513
Inv Date:06-12-2026
Price: Unit price: $1.57
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Part No:2ST31A
Stock:2114
Inv Date:06-12-2026
Price: Unit price: $1.57
Buy/RFQ:
Part No:2ST31A
Stock:0
Inv Date:06-12-2026
Price: Unit price: $0.385
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STMICROELECTRONICS 2ST31A Power Transistor Specifications:

  • Collector-base voltage: 60 V
  • Collector-emitter voltage: 60 V
  • Emitter-base voltage: 5 V
  • Collector current: 3 A
  • Collector peak current: 5 A
  • Base current: 1 A
  • Total dissipation: 40 W
  • Storage temperature: -65 to 150 °C
  • Maximum operating junction temperature: 150 °C
  • Thermal resistance junction-case: 3.1 °C/W
  • Package: TO-220
  • High switching speed, high gain, low saturation voltage
  • Manufactured in planar technology with base island layout

Buy the STSeries 2ST31A NPN Power Transistor: 2ST31A

Enhance your industrial electronics with the 2ST31A power transistor, designed for high-speed switching and linear performance. Manufactured with advanced planar technology, it provides high gain, low saturation voltage, and reliable thermal characteristics. Suitable for demanding applications, this TO-220 package device ensures long-term durability and efficient operation. Perfect for engineers and technicians seeking robust, high-performance transistors for automation systems, switching circuits, and industrial control modules. Order the 2ST31A online today for dependable, high-quality performance.

Get STSeries 2ST31A low voltage NPN power transistor today—built for precise switching and long-lasting durability in industrial applications.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS 2ST31A?

You can click on the BUY or RFQ button to purchase 2ST31A from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part 2ST31A?

You can download the 2ST31A datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of 2ST31A?

STMICROELECTRONICS

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