Quote:
Originally Posted by uwanna
The diode is not protection from "arc burn" but rather protection from
back EMF from the collapse of the de-energizing relay coil. It's meant to protect the solid state over rev protection ckt. Therefore, you are correct in that a diode would probably not be necessary as there is no relay coil with a SS relay.
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A point of clarification. The flyback diode is not there for the relay coil; it is for whatever inductive load the relay is powering. Thus, a flyback diode is definitely recommended even with SS relays.
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1979 SC, Slant nose wide-body cab conversion. AEM Infinity EFI, COP, supercharged!
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