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Old 11-29-2011, 05:01 PM   #11
c.hegge
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^
Thanks. That does make more sense now. I knew there were two diodes in a pack, but I had always thought that the 43A was for both combined.
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Old 11-30-2011, 08:19 AM   #12
Gabriel Torres
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No. Each diode has a different function. One is used for the direct rectification. The other one is used for discharging the coil ("freewheeling"). Only on the half-bridge topology both diodes are used for rectification. Simply compare the circuit to understand:

http://www.hardwaresecrets.com/artic...Supplies/327/9

"A" is used by half-bridge, "B" is used by forward configurations
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Old 11-30-2011, 02:24 PM   #13
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Ah. makes even more sense. Thank you!
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