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  1. #1
    Quote Originally Posted by john swift View Post
    looking at PCB art work
    http://electronics-diy.com/soft-star...wer-supply.php
    it looks like its a project take from the Dutch: Elektuur magazine

    John

    PS

    found it
    the delay is from the July August 1997 issue of Elektor

    Click image for larger version. 

Name:	Elektor mains on delay July August 1997 issue.pdf 
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Size:	361.0 KB 
ID:	24522

    the B250C1500 is a 1.5A 500V bridge rectifier
    I would of thought a 1A bridge rectifier would be OK
    or four 1N4007 diodes

    So the guy stole it and put his own copyright message on it... I have my book shelves full of old books and magazines, even several years of Elektor (which I think is German from the beginning) but googling is faster than going through all of those.

    Anyway, good detective work.

  2. #2
    Quote Originally Posted by cropwell View Post
    If you put in a DPCO relay you could use it to drop in a bleed resistor when the power is removed, after all this is what this thread started out as
    If bleeding is what you want, I still think a simple LED and a 5k resistor after the rectifier is the way to go. It will provide power on/off indication and also drain the capacitor when you power off.

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