Electronics 01
Relay Flyback Diode: Why You Need One and Which to Use
A relay coil can kick back 1,000 V at turn-off. A flyback diode stops it but slows contact release about 5x. Here is the math and the diode plus zener fix.
A relay coil can kick back 1,000 V at turn-off. A flyback diode stops it but slows contact release about 5x. Here is the math and the diode plus zener fix.