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Back emf protection

  1. Aug 20, 2011 #1
    Help me. I want to use diode for back E.M.F protection.Please help me to select diode which is suitable ,like short circuit recovery time is 9 nano second and ifsm should be 30-90 amp. please also send me surge suppression protection circuit or surge protection device.
  2. jcsd
  3. Sep 22, 2011 #2
    use 1n4007 diode or RC circuit.
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