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Old 11th April 2021, 09:30 AM   #861
chiily is offline chiily  Europe
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Originally Posted by AlexRivera View Post
OK, I'm about to order the FE and OS parts but I still have a few noob questions:

I'm thinking 2 * 6 Deep OS PBs per channel so 11 Pairs per channel, 80 VDC Rails?

1. I know I have to change ZTX450 and ZTX550, do I need to change Electrolytic Caps C3, C4, C7 for a higher voltage Rating?
2. Is Mouser Part# 527-NK202C2R5 a good option for R24 2K Thermistor?
I bought a pair of these Blocked But then I bought the output devices from Digikey too (2SA1695/2SC4468), so saved on the postage

Originally Posted by AlexRivera View Post
3. KSA1220 is Out of Stock, any other good pair to substitute 2SA1381 and 2SC3503?
I bought KSA1220/KSA2690s from Digikey too, but out of stock now

Originally Posted by AlexRivera View Post
4. Has anybody tested any Capacitor in C5?

Any suggestions on a good Power Supply Design ?

Thanks in Advance!
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Old 17th April 2021, 04:28 PM   #862
AlexRivera is offline AlexRivera  United States
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Thank you all for your replies and help so far, Iím not even close to done (not even started), so Iíll have to keep bugging yaíll...

As I try to design the Welder Power Supply Iíve been looking at Antek Toroidals and I found Papaís comment (picture) in a post, I guess thatís enough for a blessing?

Is there any other brand that wonít break the bank, fairly priced like them that you can suggest?


Last edited by AlexRivera; 17th April 2021 at 04:31 PM.
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