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ONSEMI BD239C Power Transistor

The BD239C is a medium power NPN epitaxial silicon transistor designed for linear and switching applications, with collector-emitter voltage ratings up to 100V. It features a collector current of 2A with pulse capabilities of 4A, and a junction temperature of 150°C. Suitable for various electronic circuits, it provides reliable performance in a TO-220 package with excellent thermal dissipation. Its electrical characteristics include a collector cut-off current of 0.03mA and a saturation voltage of 0.7V at 1A, making it ideal for power regulation and amplification tasks.

Authorized Distributors
Source:Newark
Part No:BD239C
Stock:4
Inv Date:06-10-2026
Price: Unit price: $0.17
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Source:DigiKey
Part No:BD239C
Stock:512
Inv Date:06-10-2026
Price: Unit price: $1.86
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Source:DigiKey
Part No:BD239C
Stock:1847
Inv Date:06-10-2026
Price: Unit price: $1.87
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Part No:BD239C
Stock:8461
Inv Date:06-11-2026
Price: Unit price: $0.5
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Part No:BD239C
Stock:446
Inv Date:06-11-2026
Price: Unit price: $1.86
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Part No:BD239C
Stock:0
Inv Date:06-11-2026
Price: N/A
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Source:Arrow EU
Part No:BD239C
Stock:2335
Inv Date:06-11-2026
Price: N/A
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Part No:BD239C
Stock:9020
Inv Date:06-11-2026
Price: N/A
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ONSEMI BD239C Power Transistor Specifications:

  • Collector-Emitter Voltage: up to 100V
  • Collector Current: 2A (DC), 4A (Pulse)
  • Base Current: 0.6A
  • Collector Dissipation: 30W at 25°C
  • Junction Temperature: 150°C
  • Storage Temperature: -65°C to 150°C
  • Emitter-Base Voltage: 5V
  • Collector Cut-off Current: 0.03mA
  • Collector Cut-off Current: 0.02mA
  • Emitter Cut-off Current: 1mA
  • Collector-Emitter Saturation Voltage: 0.7V at 1A
  • Base-Emitter ON Voltage: 1.3V at 1A
  • Package: TO-220

Buy the Fairchild Series BD239C NPN Transistor: BD239C

Discover the high-performance power transistor suitable for switching and linear circuitry with a maximum collector-emitter voltage of 100V and a collector current of 2A. The BD239C in TO-220 package features excellent thermal properties, a junction temperature of 150°C, and low saturation voltage for efficient operation. Ideal for power regulation, amplification, and electronic control systems, this transistor provides robust operation, ensuring durability and consistent results in demanding industrial and consumer electronics environments. Buy online today for trusted quality.

Buy Fairchild BD239C now and experience unmatched reliability and performance in power switching applications.

Frequently Asked Questions

Where can I buy ONSEMI BD239C?

You can click on the BUY or RFQ button to purchase BD239C from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part BD239C?

You can download the BD239C datasheet or visit the ONSEMI website for support.

Who is the manufacturer of BD239C?

ONSEMI

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