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flyback - Can a Zener diode that protects a switch against inductance when the switch opens, affect turn on speed of the valve when you close it again? - Electrical Engineering Stack Exchange
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resistors - Relay driver with Zener cutoff - Electrical Engineering Stack Exchange
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When/why would you use a Zener diode as a flywheel diode (on the coil of a relay)? - Electrical Engineering Stack Exchange
Diode protection on relays. - General Electronics - Arduino Forum
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Relay Coil Suppression with single Zener Diode across BJT - Electrical Engineering general discussion - Eng-Tips
How to Build a Relay Driver Circuit | Electronics circuit, Circuit projects, Circuit
Selecting Flyback Diodes for 5V Relay Coil Suppression | Advanced PCB Design Blog | Cadence
Backwards diodes - General Electronics - Arduino Forum
The Zener Diode - Last Minute Engineers
Can I Use A Zener Diode To Trigger A Relay At A Set Voltage? - YouTube
DC Relay Switch Driver Circuit
When/why would you use a Zener diode as a flywheel diode (on the coil of a relay)? - Electrical Engineering Stack Exchange
How to setup a relay driver with a zener cutoff (resistors, relay, zener, electronics) - Quora
Spulendämpfung kann die Lebensdauer des Relais verkürzen | TE Connectivity
How to Build a Relay Driver Circuit
Why would you bypass a zener diode in the flyback protection of a relay coil? - Electrical Engineering Stack Exchange
