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BD139 NPN Power Transistor TO-126 media 1

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BD139 NPN Power Transistor TO-126

Transistors Stock: 500

₹10

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Description

The BD139 NPN Power Transistor is a reliable medium-power NPN bipolar junction transistor (BJT) designed for switching and amplification applications. Housed in a compact TO-126 package, it is widely used in audio amplifiers, voltage regulators, motor drivers, relay circuits, power supplies, and general-purpose electronic projects.

The BD139 offers excellent current handling capability and stable performance, making it suitable for both low-power and medium-power circuit designs. It is commonly used in educational projects, industrial electronics, robotics, and DIY applications.

Key Features:
NPN medium-power bipolar junction transistor (BJT)
Standard TO-126 package
High current handling capability
Suitable for switching and signal amplification
Low saturation voltage and reliable performance
Easy to mount on PCBs and heat sinks (when required)
Ideal for audio amplifiers, voltage regulators, relay drivers, motor control circuits, power supplies, and DIY electronics projects

The BD139 NPN Power Transistor is an essential semiconductor component for students, hobbyists, and professional engineers, providing dependable performance in a wide range of analog and power electronic applications.

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