Forum: Troubleshooting Power Supplies and Power Supply Design
10-20-2021, 06:58 PM
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Replies: 18
Views: 6,659
Re: Repairing Bestec TFX0250D5W
Momaka, Thanks for your help with this PSU. The lamp worked wonderfully, although turns out I didn't have any issues when the PSU came to life. I ended up replacing the two MOV, using parts you...
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Forum: Troubleshooting Power Supplies and Power Supply Design
10-19-2021, 05:11 PM
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Replies: 18
Views: 6,659
Re: Repairing Bestec TFX0250D5W
PeteS, the inrush thermistor measured 3.4 ohm. There is no damage on it but some white adhesive is on it.
BTW, tried to do some testing while waiting for the MOVs to come in and blew the 5v...
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Forum: Troubleshooting Power Supplies and Power Supply Design
10-16-2021, 07:39 PM
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Replies: 18
Views: 6,659
Re: Repairing Bestec TFX0250D5W
Thanks momaka, this is good info. The computer, and several household appliances and the air conditioner sufferd from a surge during a thunderstorm. Not my house, my brother-in-law's mothers house....
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Forum: Troubleshooting Power Supplies and Power Supply Design
10-16-2021, 06:13 PM
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Replies: 18
Views: 6,659
Re: Repairing Bestec TFX0250D5W
I also have a Bestec TFX0250D5W and need some info on replacement MOV. I have two blown MOV and I can see some info on one of them, TRV 07241, but I'm not finding this available in the USA. ...
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