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Transistor NPN A42

Transistor NPN A42

The A42 is a high-voltage NPN transistor. When the base pin is held at ground, the collector and emitter remain reverse-biased (open). When a signal is applied to the base pin, the transistor becomes forward-biased (closed). It features a DC gain of approximately 40, making it less suitable for amplification but ideal for high-voltage switching applications.

This transistor can handle a maximum collector current of 500mA, making it suitable for driving moderate loads. To properly bias this transistor, the base current (IB) should not exceed 5mA. When fully biased, it can allow up to 500mA to flow through the collector-emitter path.

Package Includes:

  • 1 x A42 High Voltage NPN Transistor (TO-92 Package)

1.05 AED 1.05 AED Tax Included
1.05 AED Tax Included

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BJT NPN
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Specifications:

  • Type: NPN Bipolar Junction Transistor (BJT)
  • DC Current Gain (hFE): 40
  • Collector Current (IC): 500mA (Max)
  • Base-Emitter Voltage (VBE): 6V
  • Collector-Emitter Voltage (VCE): 300V
  • Collector-Base Voltage (VCB): 300V
  • Package: TO-92

Applications:

  • Switching high-voltage loads
  • Controlling circuits with high peak voltage
  • Speed control of small DC motors
  • Driving high-voltage stepper motors
  • Driving high-power LEDs