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-   -   axial versus radial electrolytics (http://www.jonnyguru.com/forums/showthread.php?t=10274)

jkohler59 06-05-2013 09:24 AM

axial versus radial electrolytics
 
Hello,
I am a first time poster from the Automotive world, and this issue is very important to our products. Most electrolytic cap suppliers have the radial parts, and many do not have the axial parts. I was told these two statements by one of the Axial suppliers. Does anyone out there have supporting data for this?

1. An axial capacitor can handle roughly 3x the ripple current of a equal sized radial part.

2. A radial part is much worse for a high vibration environment versus an axial part. It is quite difficult to make a 20G radial part where as an axial part can be made to handle 50G+.

jkohler59 06-05-2013 09:26 AM

For the vibration capability, we are not concerned with the external connections, it is the internal failures we are concerned with.

McSteel 06-05-2013 10:53 AM

What specs are you looking to meet? Voltage, Capacity, Max Ripple Current... Perhaps you'd be better served by solid state parts - polymers, mylars, ceramics...

jkohler59 06-05-2013 10:59 AM

specs
 
1500 uF, 75 volts, 7.6A Iac at 10kHz, 125C, 2000 hours at 125C,Vr


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