Quote:
Originally Posted by twotires
I've made a dumb move. ...
My question: Do you think (13) 470ufs will be OK - they should fit OK like the pic below - or should I spring an additional $60 and get the 25mm dia 820 ufs?
Thanks,
Michael
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You could always build it and measure the temperature of the caps while in operation. If they get really hot, like anywhere near their rating, they probably won't last long.
I think the originals are rated at 105C and I measured a typical operating temp of 65C (about 20C above ambient) while cruising at about 200A, for reference (that's off of memory though, the numbers are somewhere in a previous post).
BTW - I'd think that short bursts of high currents would be ok on the caps. Most controllers don't have enough caps to handle their max current, but enough for the continuous current.