2nd October 2019

allaboutcircuits
12

What is average forward current?

Maximum forward voltage = VF, usually specified at the diode's rated forward current. In reality, the forward voltage is described by the “diode equation.” Maximum (average) forward current = IF(AV), the maximum average amount of current the diode is able to conduct in forward bias mode.

What is a diode forward current?

Reverse-bias is when the anode is negative and the cathode is positive. A lot of current flows when the diode is forward-biased, provided that the voltage is higher than 0.6V or so for a silicon diode or 0.3V or so for a germanium device. A very small amount of current flows if a diode is reverse-biased.
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