BD139 – Medium Power NPN Transistor


Being a Medium Power NPN Transistor with a collector current of 1.5A this transistor can be used to control (On/Off) bigger loads that consume less than 1.5A. It also has a very less saturation voltage (Base Emitter Voltage VBE) of only 5V, this makes it easy to use this IC in digital electronics which has an operating voltage of 5V.

167 in stock

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  • Plastic casing NPN Transistor
  • Continuous Collector current (IC) is 1.5A
  • Collector-Emitter voltage (VCE) is 80 V
  • Collector-Base voltage (VCB) is 80V
  • Emitter Base Breakdown Voltage (VBE) is 5V
  • DC current gain (hfe) is 40 to 160
  • Available in To-225 package



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