Sloppy china practices (example)
- From: pbFJKD@xxxxxxxxxxxx
- Date: 12 Jul 2007 15:59:14 GMT
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
max.) and completely deleted all input and output RF filtering components. As
the quality moved slowly upward from the this extraordinary low, each of the
supplies had various serious shortcomings except.."
Ie the chinese manufactor did:
* Rate at 25A - But used 3A diodes.
* No RF filter on input & output.
Comments?
.
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