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PreCD 19th December 2011 03:57 PM

Vishay 15000uf 100V Cap - Good ESR?
 
I am looking to replace the filter caps in my power amp. These look like good filter caps and match the current values of what I have int there now. Opinions?

CAP 100V 15000UF ELECT SCREW - MAL210119153E3

AmpliFire 20th December 2011 08:01 AM

These are good capacitors (formerly Philips), though slightly better brands may be available.

If you want to know some alternatives, then equally important: what is their size (diameter x height, in mm), as you would probably like to fit the new ones in the current position, using existing brackets. And: is a PCB directly screwed on top of it? In which case the terminal spacing must be identical with the new caps. In that capacity and voltage rating, there is a large diversity in sizes, and in terminal spacing.

Interesting alternatives might be Rifa and Mallory.

PreCD 20th December 2011 10:46 AM

Quote:

Originally Posted by AmpliFire (Post 2827813)
These are good capacitors (formerly Philips), though slightly better brands may be available.

If you want to know some alternatives, then equally important: what is their size (diameter x height, in mm), as you would probably like to fit the new ones in the current position, using existing brackets. And: is a PCB directly screwed on top of it? In which case the terminal spacing must be identical with the new caps. In that capacity and voltage rating, there is a large diversity in sizes, and in terminal spacing.

Interesting alternatives might be Rifa and Mallory.

Yes these fit my brackets and I have no boards strapping to the screw terminals. I do have bleeder resistors on top in 3.9 ohm values. I was thinking of using Mills resistors for those but they are a little pricey for that application maybe?

PreCD 20th December 2011 10:53 PM

The spec sheet on the Vishay capacitors is below:

http://www.vishay.com/docs/28371/101102ph.pdf

Max. ESR = 16 Mohms @100Hz

PreCD 21st December 2011 11:49 AM

Done and done. Ordered the Vishays from Digikey along with 3.9kOhm 3W Metal Film resistors which reside on the filter caps at this time. Might as well replace those too.


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