EngineeringToolkit

Transistor Current Gain Formula

The ratio of collector current to base current in a bipolar junction transistor.

Formula

β = Ic/Ib

Discipline: Electronics Engineering. Result unit: dimensionless.

Variables and units

  • β — Current Gain: Current gain factor
  • Ic — Collector Current (A): Collector current
  • Ib — Base Current (A): Base current