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sunrise 5th November 2008 02:27 PM

damper diodes ....
hi guys...
can anyone tell me what is the first capacitor value for 6BL4 damper diode..... i can't find that value in datasheets.......

Tom Bavis 5th November 2008 08:48 PM

The max cap value was a convenience in the old days when there was no easy way to measure or estimate peak current. Simulate it in PSU Designer (from, and make sure the peak current is within spec. If so, the first cap is OK. With a low resistance transformer, the first cap needs to be fairly small.

sunrise 5th November 2008 10:05 PM

o.k. - i will do that.... :D


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