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STMICROELECTRONICS BD679A Complementary Darlington Transistors

The STMicroelectronics BD679A is a complementary power Darlington transistor designed for linear and switching industrial equipment. Manufactured using planar base island technology, this transistor offers a monolithic Darlington configuration with an integrated antiparallel collector-emitter diode. Key features include good hFE linearity and a high fT frequency, making it suitable for a wide range of applications requiring efficient power amplification and switching.

Authorized Distributors
Source:Newark
Part No:BD679A
Stock:279
Inv Date:06-11-2026
Price: Unit price: $0.949
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Source:DigiKey
Part No:BD679A
Stock:1413
Inv Date:06-11-2026
Price: Unit price: $1.03
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Part No:BD679A
Stock:4783
Inv Date:06-12-2026
Price: Unit price: $1.03
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Part No:BD679A
Stock:0
Inv Date:06-12-2026
Price: N/A
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Part No:BD679A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.46
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Part No:BD679A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.2
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Source:Arrow EU
Part No:BD679A
Stock:232896
Inv Date:06-12-2026
Price: N/A
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Part No:BD679A
Stock:3250
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS BD679A Complementary Darlington Transistors Specifications:

  • Good hFE linearity: Yes
  • High fT frequency: Yes
  • Monolithic Darlington configuration: Yes
  • Integrated antiparallel collector-emitter diode: Yes
  • Collector-base voltage (IE= 0): 60 V
  • Collector-emitter voltage (IB= 0): N/A
  • Emitte-base voltage (IC= 0): 5 V
  • Collector current: 4 A
  • Collector peak current: 6 A
  • Base current: 0.1 A
  • Total dissipation at Tcase= 25°C: 40 W
  • Storage temperature: -65 to 150 °C
  • Max. operating junction temperature: 150 °C
  • Collector cut-off current (IB= 0): 0.5 mA
  • Collector cut-off current (IE= 0): 0.2 mA
  • Emitter cut-off current (IC= 0): 2 mA
  • Collector-emitter saturation voltage: 2.5 V
  • Base-emitter voltage: 2.5 V
  • DC current gain: 750

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Frequently Asked Questions

Where can I buy STMICROELECTRONICS BD679A?

You can click on the BUY or RFQ button to purchase BD679A from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part BD679A?

You can download the BD679A datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of BD679A?

STMICROELECTRONICS

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