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-   -   IC PHC series cap - good low ESR cap? (http://www.diyaudio.com/forums/parts/230625-ic-phc-series-cap-good-low-esr-cap.html)

CarlyBoy 22nd February 2013 01:46 PM

IC PHC series cap - good low ESR cap?
 
I'm always on the lookout for good low ESR caps, and ideally non-electrolytic. Can someone comment on IC's PHC series metallized polyprop film caps? I'm specifically thinking for duty as the cap immediately following a series pass regulator. Useful 4, 6.8, and 10 uF sizes at 600V. ESR in the 0.0034 - 0.0065 ohm range.

Newark catalog page featuring the PHCs - mistake for the 10uF, 600V cap's ESR according to the data sheet (follows..)

IC's data sheet for the PHC series caps

gregdee 14th March 2013 09:31 PM

Yamamoto uses them in PS ! Good caps in my opinion

hitachi_nut 15th March 2013 01:09 AM

What's the actual DC voltage of the application? The lowest ESR caps that's not electrolytic are stacked film or ceramic type.

psemeraro 27th March 2016 01:58 AM

They're also good for coupling believe it or not! Our local surplus store has the 4.7uf 400v for $3 each.

CarlyBoy 1st April 2016 01:02 AM

Quote:

Originally Posted by CarlyBoy (http://www.diyaudio.com/forums/parts/230625-ic-phc-series-cap-good-low-esr-cap.html#post3381208)
.. I'm specifically thinking for duty as the cap immediately following a series pass regulator...

That's exactly the purpose I wanted them for when I found them. You don't want a very large cap in that location (defeats the purpose of the regulator), but you want it to recharge as fast as possible. If there's a better cap out there for this purpose I don't know it.


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