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#1
08-11-2005, 10:06 PM
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Need help with cap
Any thought on what I should replace this cap with? It is listed as "cap total 36"
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#2
08-11-2005, 10:48 PM
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Steve,
Strange way of puting it isn't it. No voltage listed? Ron
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#3
08-11-2005, 11:13 PM
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If this cap is used in a power supply of an old radio a 450 volt electrolytic should do. If it is the first cap off the rectifier some sources recommend no more than 40 mfd so probably a 10 and 22 mfd at 450 volts paralleled to give you 32 mfd.
If not directly on the rectifier cathode probably a 47 mfd at 450 volts. Measure the voltage when you get the new caps in just to make sure that you are within the 450 volt limit...only thing I have seen higher than 350 or so volts in from this era is higher powered stuff like PA amps.
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#4
08-11-2005, 11:34 PM
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Thanks Chad. I thought I would parallel two caps. My next question- There are three terminals. One is definitely power. Are the other two both neg? I have some 630 volt caps. Would these be better?
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#5
08-12-2005, 06:25 AM
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What do the terminals connect to? if one connects to the can this is likely negative, if there are two on an insulator there may be 2 caps in the can. What would be best would be to get the schematic of the set and see where the caps are in the circuit.
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#6
08-12-2005, 08:46 AM
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Steve,
Guess the number of connectors would have explained the "totals 36" If you can't get a Sams on the unit can you at least run either cap checks or basic resistance? I realize it may be total lunch but doesn't hurt to check. Running out the leads will tell you wether it's a 2 or 3 (I suspect) cap unit. Ron
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