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  1. JDW0

    Relay Coil Suppression with single Zener Diode across BJT

    In terms of relay coil voltage spike suppression, the following thread focuses on using a 1N4007 diode in series with a Zener across the relay coil: thread248-291225 But there are times when you need to suppress coil spikes but cannot put components across the relay coil. In this case, a...

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