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vishay vs wima dc links

Posted on March 7, 2017 at 21:21:41

Posts: 81
Joined: October 16, 2005
Has anyone compared the vishay 1848 dc links with the wimas dc links
The vishay are much cheaper


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RE: vishay vs wima dc links, posted on March 7, 2017 at 21:29:45
Eli Duttman

Posts: 9517
Location: Monroe Township, NJ
Joined: March 31, 2000
January 5, 2000
Cost is always a consideration and metalized polypropylene is metalized polypropylene. The 105o C. rating of the Vishay parts is quite attractive.

Eli D.


RE: vishay vs wima dc links, posted on March 8, 2017 at 05:36:18
dave slagle

Posts: 4776
Location: NYC
Joined: April 27, 2001
I was just staring at that data sheet since I need a coupla f of storage at 6Kv and the DC Links seem to be the most economical way to go.

It is important to note that if you take advantage of the 105 rating you need to derate the DC value by 30%.

On the flip side, if you operate on the other side of the 85 DC rating that is listed and keep the temp below 70 the DC rating goes up 20%.



RE: vishay vs wima dc links, posted on March 8, 2017 at 06:36:16

Posts: 785
Location: Gville, FL
Joined: June 1, 2003
What value / voltage / application?

Depending on what you're after, you might also want to check out Panasonic. I've used a few of them and they were a little over 1/3 the price of similar Unlytic (?) cylindrical caps. Not sure how they compare to Vishay or Wima. The free shipping option from Digi-Key made them even more of a deal.


RE: vishay vs wima dc links, posted on March 8, 2017 at 09:09:45

Posts: 957
Joined: January 19, 2006
March 30, 2017
FWIW: I am using the vishay DC Links to good effect in my power supply C1 and C2 locations. I don't have the wimas to compare directly as they were out of stock at the time.


RE: vishay vs wima dc links, posted on March 13, 2017 at 13:26:38

Posts: 9706
Location: East of Kansas City
Joined: January 10, 2005
You have private mail. Look.

Jeff Medwin


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