forward voltage
Technical term in electronics; the voltage across a semiconductor junction when it is forward-biased. Often used in datasheets and circuit analysis.
See also: 順方向電圧降下
The forward voltage of this LED is about 2V.
Measure the forward voltage drop of the diode.
A more specific term referring to the voltage drop across a forward-biased junction, often used interchangeably but emphasizing the drop.
forward voltage drop
Compound of 順方向 (forward direction) + 電圧 (voltage). A straightforward technical term.