BD139 NPN transistor
The BD139 is a widely used NPN bipolar junction transistor (BJT) that is particularly popular in audio amplifier and driver applications. It is housed in a TO-126 package and is designed for medium power applications, making it suitable for various electronic circuits
Transistor type : Medium power NPN transistor
Continuous collector current : 1.5A
Collector-Emitter voltage : 80 V
Collector-Base voltage : 80V
DC current gain : 40 to 160
Used in
Audio Amplifiers
Motor Drivers
Switching Applications
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