Nichicon Finegold Capacitors
Feb 24, 2016 at 1:58 AM Post #17 of 18

paijo

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  Looking at ripple current values, which is basically what you want to judge the performance of a power supply cap by, KA is not as good as KW. The PS and PW lines are the best in terms of specs.
 
This was while looking at the 4700uF / 35V value on DigiKey (link attached).

if it so, why they claim KA is better version of KW???is it marketing gimmick only??
 
Feb 24, 2016 at 3:22 AM Post #18 of 18

kahei036

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  if it so, why they claim KA is better version of KW???is it marketing gimmick only??


Looking into the datasheets, the ripple current looks the same on KA and KW. But KA has larger temperture range and slightly better impedance ratio at low temperture than KW does.
 
http://www.nichicon.co.jp/english/products/pdfs/e-ka.pdf
http://www.nichicon.co.jp/english/products/pdfs/e-kw.pdf
 

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