Assertion: led's voltage | /r/HasProperty | vf
Facets:
Source sentences:
text: Forward voltage (Vf) is the voltage drop across the LED when it conducts.
text: Notice the considerable difference between the forward voltage (V F ) for blue types and red to green types.
text: Forward voltage (Vf) –
text: In addition, the driving voltage (Vf) for each color is different.