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Re: Value of compressor clutch flyback diode
The collapsing field of the clutch winding when the power is removed can get pretty strong, producing a pretty good voltage spike, referred to as Peak Inverse Voltage, or PIV for short.. I've never measured that spike but it probably exceeds 100 volts.. A 1N4004 is a 1 amp 600 PIV diode.. A 1N5402 is a 3 amp 200 PIV diode.. A 1N4007 is a 2.5 amp 1000 PIV diode.. A 1N5408 is a 3 amp 1000 PIV diode.. Any one of these diodes will work just fine....
Last edited by RustyPile; 11-16-2020 at 03:32 AM.
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