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BD139 Transistor NPN Bipolar Power Transistor (Original)

SKU: BEC0152

Product Specifications:

  • Transistor IC Number: BD139
  • Number of pins: 3
  • Pin Type: Through hole
  • Colour: as shown in figure
  • Material: semiconductor
  • Package contains: 1 piece of original BD139 transistor IC


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  • BD139 is a General purpose NPN transistor with low voltage and medium power. It is a series of the plastic transistor. This transistor finds applications in audio amplification and it drives utilizing complementary and quasi-complementary circuits.

    • Transistor type: low voltage NPN transistor
    • Collector-emitter voltage: 80 Volts
    • DC Collector current: 1.5 Amps
    • Power dissipation: 1.25 Watt
    • DC Current Gain hFE: 250 hFE
    • Package type: TO-226
    • Maximum operation temperature: 150 ºC

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