MPSA42 high voltage NPN Transistor

KShs20

Features of MPSA42

  • High Voltage NPN Transistor
  • DC Current Gain of 40
  • Continuous Collector current  is 500 mA
  • Base- Emitter Voltage  of 6V
  • Collector-Emitter Voltage of 300 V
  • Collector-Base Voltage of 300 V
  • Available in To-92 Package

Description

MPSA42 is a high voltage NPN transistor. It is commonly used for switching purpose since it has a low gain value of 30. It can turn on/off high voltage loads (upto 300V). Hence, commonly used for heavy loads or loads that have high peak voltage. The collector current of the IC is 500mA (0.5A) therefore, cannot drive loads which consumes high current. It also has a Base-Emitter voltage of 6V making it easy to control using microcontrollers.

When this transistor is fully biased, it allows a maximum current of 500 mA to flow across the collector and emitter. This the Saturation Region and the typical voltage allowed across the Collector-Emitter or Collector-Base could be 300 V and 300 V respectively. When base current is removed the transistor becomes fully off; thus the Cut-off Region.

 

Features of MPSA42

  • High Voltage NPN Transistor
  • DC Current Gain of 40
  • Continuous Collector current  is 500 mA
  • Base- Emitter Voltage  of 6V
  • Collector-Emitter Voltage of 300 V
  • Collector-Base Voltage of 300 V
  • Available in To-92 Package

Applications

  • Used in high voltage loads switching
  • Used to control loads with high peak voltage
  • Also to control the speed of low current motors
  • In driving high voltage stepper motors
  • To drive high power LED

Datasheet

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