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BD139 Power Transistor


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  • Stock: 50

    Availability: InStock priceValidUntil: 2026-10-31

  • SKU: 352 | DAA193

Availability: InStock priceValidUntil: 2026-10-31

  • Rs. 9.00 (inc GST)
    Rs.7.63 + GST

    Qty :

GST Invoice: Available for all purchases; eligible for input tax credit.

Delivery: 2–8 days across India. No MOQ required.

Bulk Orders: Need a larger quantity or item not in stock? Email: dnatechindia [at] gmail.com

Import Service: We import a wide range of electronic components on request.

BD139 NPN Power Transistor for Audio Amplifiers

BD139 NPN Power Transistor designed for audio amplifiers with 80VDC voltage, 1.5ADC current, and 12.5W power dissipation.

The BD139 NPN Power Transistor for Audio Amplifiers is built for high-performance audio applications. It operates with a collector-emitter voltage of 80VDC and a collector current of 1.5ADC. This transistor is housed in a compact TO-126 plastic package, ensuring durability and reliability. Designed for audio amplifiers and drivers, it provides excellent current gain of 40, making it suitable for both complementary and quasi-complementary circuits.

This BD139 NPN Power Transistor can handle a maximum operating temperature of 150°C and a power dissipation of 12.5W. Its three-pin configuration allows for easy integration into various electronic projects. The transistor's robust design makes it ideal for applications where stability and performance are crucial.

Perfect for enthusiasts and professionals alike, the BD139 NPN Power Transistor is a vital component for audio systems and other electronic devices. Whether you are building a new amplifier or repairing an existing circuit, this transistor offers the reliability you need for optimal performance.

Explore the world of Diodes & Transistors with DNA. The BD139 from our trusted brand is essential for your audio applications. Check other Diodes & Transistors that we have in stock.

At DNA, we cater to all your electronic needs. If you cannot find specific parts, let us know. We can import them for you. Explore related items like Digital IC, Programmer, HMI Display, SMPS, MOSFET, and Development Module. Contact Us.

Features of BD139 NPN Power Transistor for Audio Amplifiers

  • Epitaxial planar design
  • High current gain of 40
  • Maximum collector-emitter voltage of 80VDC
  • Power dissipation of 12.5W
  • Compact TO-126 package

Specification of BD139 NPN Power Transistor for Audio Amplifiers

  • Collector Current: 1.5ADC
  • Operating Temperature Max: 150°C
  • Number of Pins: 3
  • Transistor Polarity: NPN

Applications of BD139 NPN Power Transistor for Audio Amplifiers

  • Audio amplifiers
  • Driver circuits
  • Electronic projects
  • Complementary circuits

Package Includes

  • 1 X BD139 NPN Power Transistor for Audio Amplifiers
Extra Information
Country of Origin China
Imported By ElectroSource Private Limited

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