Re: AC vs. DC

> Another cheap source of diodes is from car alternators. These diodes are
> probably rated at around 100A so you would need about 3 sets. Problem is
> that they are pressed into plates and are I believe a 3 phase full wave
> rectifier configuration with 6 diodes per alternator. You have to be able
to
> mount them to create a bridge.
>
> HTH,
> Billh

The car alternators I have seen use 9 diodes in the pack. 6 provide 3 phase
full wave rectification and the remaining 3 provide field current for
excitation. They are high current devices but may not have a high enough
voltage.

John