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Old 06-05-2013
jkohler59 jkohler59 is offline
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Question 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+.
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Old 06-05-2013
jkohler59 jkohler59 is offline
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For the vibration capability, we are not concerned with the external connections, it is the internal failures we are concerned with.
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Old 06-05-2013
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McSteel McSteel is offline
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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...
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Old 06-05-2013
jkohler59 jkohler59 is offline
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Default specs

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