Thread: Home brew TRF
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Old 2nd Nov 2005, 2:10 pm   #6
paulsherwin
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Default Re: Home brew TRF

As others have said, if you really used 1N4001s you're lucky to still have a mains transformer. Ed is right about the reverse voltage so you will need 800V rated diodes, not 50V If you only have 400V rated components (e.g. 1N4004s) you can use 2 in series. The first will be loaded by the forward voltage and the second by the reverse voltage.

High voltage rectifier diodes cost next to nothing, so it's worth stocking up:

http://cgi.ebay.co.uk/Diode-Rectifie...QQcmdZViewItem

Silicon diodes generally fail short circuit so it's a very bad idea to push your luck.

Best regards, Paul
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