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General => Open Discussion => Topic started by: midwayfair on October 15, 2012, 02:06:42 PM

Title: Cheaper short electrolytics (for baby boards and other tight fits)
Post by: midwayfair on October 15, 2012, 02:06:42 PM
Panasonic has two "low profile" series: The KA and KS series. The KA series is 7mm high (about the same as a chip in a socket). But the KS series is only 5mm high, and 4-6mm wide. The lead spacing is also "normal," and they're 7c each, so 1/3 the price of most other mini electrolytics. There's a newer KA series that's more expensive, so use the following part numbers:

25v, 5mm:

ECE-A1EKS100 -- 10uF
ECE-A1EKS4R7 -- 4.7uF
ECE-A1HKS2R2 -- 2.2uF
ECE-A1HKS010 -- 1uF

There's a 22uF and 47uF cap in this series, but it's only 16v. Fine for anything without a charge pump.
ECE-A1CKS220
ECE-A1CKS470

Best choice for the 22uF and 47uF caps (25v, 7mm):
ECE-A1EKA470
ECE-A1EKA220

And we're stuck with 16v for short 100uF caps:
ECE-A1CKA101 -- 100uF

Given that I recently had some trouble with 11mm caps in a 1590B (?!? there were pot covers), I think I'll be getting a bunch of these for the future.

EDIT: Nichicon 22uF, 25V: USW1E220MDD
Title: Re: Cheaper short electrolytics (for baby boards and other tight fits)
Post by: culturejam on October 15, 2012, 02:18:28 PM
Awesome!
Title: Re: Cheaper short electrolytics (for baby boards and other tight fits)
Post by: saxoftenest on October 15, 2012, 05:28:54 PM
Nice! I'll have to update my project lists in Mouser with some of these.

I've been leaning heavily on the Nichicon UMW and UHC lines for short electros. They have a 5mm tall (but 8mm wide, so it's actually labeled "tubby" in my parts bin) 25v 100uF: UMW1E101MDD
Title: Re: Cheaper short electrolytics (for baby boards and other tight fits)
Post by: 9Lives on October 16, 2012, 03:10:19 AM
Going to get a pile of these.
Title: Re: Cheaper short electrolytics (for baby boards and other tight fits)
Post by: Om_Audio on October 16, 2012, 07:33:46 AM
Nice. I have a few 1590a builds in my future- this will come in handy- thanks.
C
Title: Re: Cheaper short electrolytics (for baby boards and other tight fits)
Post by: Stomptown on December 27, 2012, 06:44:08 AM
Quote from: midwayfair on October 15, 2012, 02:06:42 PM

Given that I recently had some trouble with 11mm caps in a 1590B (?!? there were pot covers), I think I'll be getting a bunch of these for the future.

Do you know if there are any 5 or 7mm 220uF's available on mouser? I'm having trouble searching for them and would prefer the smaller ones for the Nautilus I'm building.

Edit: never mind, I found some 9mm that will work fine  ;D
Title: Re: Cheaper short electrolytics (for baby boards and other tight fits)
Post by: aballen on February 02, 2013, 01:27:49 PM
Jon,

Thanks for this list, I'm restocking.  Would you happen to have a similar list for film and mica caps?  or MLCCs?
Title: Re: Cheaper short electrolytics (for baby boards and other tight fits)
Post by: midwayfair on February 02, 2013, 04:07:01 PM
Quote from: aballen on February 02, 2013, 01:27:49 PM
Jon,

Thanks for this list, I'm restocking.  Would you happen to have a similar list for film and mica caps?  or MLCCs?

I don't buy mica, so I don't have any suggestions. My understanding is that there aren't small mica caps.

I usually get MLCCs at Tayda because most of the time they're cheaper. Brian's got plenty of suggestions in the build docs. Tayda's box caps are good, too. They're 5%,
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