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08-17-2021, 10:47 AM
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#1 |
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Join Date: Aug 2010
City & State: Vallejo, California
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Source for quality stumpy 450v/150uF STGCON cap replacement
I am attempted to replace this capacitor to repair a power supply. I put in a random used NCC KXG 450v/100uF and it worked but it's too tall and skinny to reinstall the heatsink and even if I drill a big hole in the heatsink for the cap it would still be too tall and the power supply will no longer fit in the network switch.
The original cap seems to be 35mm in diameter and maybe 25mm in height. I could probably go up to 30mm in height and be OK. Thanks for any help with a source for these, I only need one or two, and the cheaper the better. I found some on eBay that may work but they're either lousy/no-name brands or they might be fake.
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08-17-2021, 05:21 PM
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#2 |
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Badcaps Veteran
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Re: Source for quality stumpy 450v/150uF cap
Do you have any room to laying the down on it side or is space a big problem
If so could move the capacitor over to an area to miss the heat sink
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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 POOFAll of the mosfet that are taken out by bad caps
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08-17-2021, 06:09 PM
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#3 |
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Badcaps Veteran
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Re: Source for quality stumpy 450v/150uF cap
take your pick .. https://www.google.com/search?q=450v...w=1440&bih=747
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08-17-2021, 06:15 PM
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#4 |
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Badcaps Veteran
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Re: Source for quality stumpy 450v/150uF cap
Digikey has a number of them, enter the capacity and voltage, then sort by height small ~ large
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08-19-2021, 09:34 AM
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#5 | |
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Re: Source for quality stumpy 450v/150uF cap
Quote:
https://www.digikey.com/en/products/...mSeq=374306458 |
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08-21-2021, 12:11 AM
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#6 |
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Re: Source for quality stumpy 450v/150uF cap
Basically anything will be fine, choose the higher temp rating and then higher ripple rating (in that order)
And of course something that fits, both diameter wise but also terminal wise (snap in with the correct spacing between the legs) I was going to suggest you this in your other post when you had not specified the dimensions. So I just searched for the smallest in stock and this Würth cap turned up: https://www.mouser.se/Passive-Compon...&Ns=Length%7c0
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