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Re: DC relays .Purpose of the diode
Posted to Technical Theory Forum on 8/5/2018 7 Replies

G'day George, the purpose of a diodes across relay coil is to safely dissipate the stored coil energy when the relay is turned off so no damage occurs to the driving transistor/electronics. I don't think the magnetic field would collapse any quicker just safel... Login to read more.

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