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Old 11-20-2021, 12:33 PM   #8
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Default Re: Mosfets for P600W24V Smps

Originally Posted by akc1956 View Post
Thanks to everybody for all the replies and info. I should be ok finding an equivalent now. I have already got a replacement complete supply from the machine manufacturers under warranty but still would like to fix the old one for a spare in the future.
I am glad that you got a replacement for the one that was defective and I am with you about trying to fix it
But I would highly recommend that you recap this board before you really start using the replacement one because they have off brand capacitors and there are know issues with quality of them

If you want a list of good quality brands and what series to use for this switching power supply just post a picture of the capacitors that are in this switching power supply
9 PC LCD Monitor
6 LCD Flat Screen TV
30 Desk Top Switching Power Supply
10 Battery Charger Switching Power Supply for Power Tool
6 18v Lithium Battery Power Boards for Tool Battery Packs
1 XBox 360 Switching Power Supply and M Board
25 Servo Drives 220/460 3 Phase
6 De-soldering Station Switching Power Supply 1 Power Supply
1 Dell Mother Board
15 Computer Power Supply
1 HP Printer Supply & Control Board * lighting finished it *

These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%

1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
2 Hem Saw Computer Stack Board

All of these had CAPs POOF
All of the mosfet that are taken out by bad caps

Last edited by sam_sam_sam; 11-20-2021 at 12:44 PM..
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