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ONSEMI BD138G Medium-Power Silicon Transistor

The series of plastic medium-power silicon PNP transistors BD136G, BD138G, and BD140G are designed for use in audio amplification and driver applications. Offering high DC current gain, these devices are suitable for complementary or quasi-complementary circuits. They are RoHS compliant, Pb-free, and halogen-free. With collector-emitter voltages up to 45V, 60V, and 80V respectively, they feature collector currents up to 15A, and dissipation ratings of 12.5W at 25°C. Their thermal resistance junction-to-ambient is 100°C/W, making them ideal for various electronic power switching and amplification projects.

Authorized Distributors
Source:Newark
Part No:BD138G
Stock:403
Inv Date:06-10-2026
Price: Unit price: $1.61
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Source:DigiKey
Part No:BD138G
Stock:917
Inv Date:06-10-2026
Price: Unit price: $1.61
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Part No:BD138G
Stock:259
Inv Date:06-11-2026
Price: Unit price: $1.61
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Part No:BD138G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $2.34
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Part No:BD138G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.5285
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Part No:BD138G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.5285
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Part No:BD138G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.435
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Source:Arrow EU
Part No:BD138G
Stock:1500
Inv Date:06-11-2026
Price: N/A
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ONSEMI BD138G Medium-Power Silicon Transistor Specifications:

  • Collector-Emitter Voltage: 45V (BD136G), 60V (BD138G), 80V (BD140G)
  • Collector-Base Voltage: 45V (BD136G), 60V (BD138G), 100V (BD140G)
  • Emitter-Base Voltage: 5.0 V
  • Collector Current: 15A
  • Total Device Dissipation: 12.5 Watts at 25°C, Derate 100 mW/°C
  • Thermal Resistance, Junction-to-Ambient: 100°C/W
  • Operating and Storage Junction Temperature: -55°C to +150°C
  • Package: TO-225 (77-09 style)
  • Pb-Free, Halogen-Free, RoHS Compliant
  • Power Dissipation Max: 12.5 Watts at 25°C, Derate above 25°C

Buy the Buy ON Semiconductor BD138G Part Number BD138G Online

Enhance your electronic projects with the high-performance medium-power silicon PNP transistors. Designed for audio amplifiers and driver circuits, these reliable transistors offer high DC gain, robust power dissipation of 12.5W, and wide temperature ranges. The BD138G model features a collector-emitter voltage of 60V and collector current of 15A, making it suitable for various power switching applications. Purchase online today and benefit from fast shipping, authentic quality, and excellent technical support to ensure seamless integration into your designs.

Order your ON Semiconductor SeriesBD138G high-current PNP transistor today and enhance your amplification and switching projects with reliable quality.

Frequently Asked Questions

Where can I buy ONSEMI BD138G?

You can click on the BUY or RFQ button to purchase BD138G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part BD138G?

You can download the BD138G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of BD138G?

ONSEMI

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