Half-Wave Rectifier Average Diode Current


Joined Aug 9, 2008
Hi Petrucciowns,

The average load voltage divided by the load resistance will give you the average load current which is the average diode current.

Thread Starter


Joined Jun 14, 2009
Thanks for the reply,

Hm, I know that is how to find the peak diode current, but the average diode current is different. How is the average diode current found? I tried to see if it was the same value in RMS but that is not correct. So I'm stumped.


Joined Feb 17, 2009
To find a average voltage, you have to finding the area under the output curve over a full cycle (2∏)
So you need to calculate the definite integral from 0 to ∏, to find area under the curve.
And then:
Vavg=area/2∏=1/2∏*∫Vpsinθ dθ =Vp/∏