Re: Sloppy china practices (example)
- From: nico@xxxxxxxxxxx (Nico Coesel)
- Date: Thu, 12 Jul 2007 17:33:22 GMT
pbFJKD@xxxxxxxxxxxx wrote:
http://www.users.on.net/~endsodds/smps.htm
"I opened up a whole bunch of SMPS (around 12) from different manufacturers
and carefully examined them. The worst power supply was a Chinese made brand
which advertised a 250 watt rating together with 5 volts at 25 amps on the
cover plate but on examination used 1N5404s in the 5 volt supply line (3 amps
I think you looked wrong. IIRC the 5400 series are 50Hz AC rectifiers
and therefore too slow to act as a rectifier diode in a switch mode
power supply.
--
Reply to nico@nctdevpuntnl (punt=.)
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