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Glossary: Transistors

What Is A Transistor?

A transistor is an electronic semiconductor device that controls the flow of a large electric current using a smaller current. The flow of the larger current correlates with the small current, effectively making a transistor an amplifier.

MOSFET

MOSFET is an acronym that means: Metal-Oxide-Semiconductor Field-Effect Transistor.

BJT

BJT is an acronym that means: Bipolar Junction Transistor.

Common Transistor Applications Include (but are not limited to):

  • Audio amplifiers.
  • Signal amplifiers.
  • LED dimmers.
  • PWM motor controllers.
  • AC to DC power inverters.
  • HVAC inverter-drive systems (VRF).
  • Controlling large industrial relays using microcontrollers or other discrete electronics operating in the microamp (μA) range.
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