[Amps] Electrolytic Substitutions

[Carl]

Only the 381LR and 381LX series of CDE caps is worth using for amp service.

OTOH the 270uF screw mounts from Ameritron are a direct swap and more than 
sufficient capacity.

Carl
KM1H


----- Original Message ----- 
From: "john starr001" <jstarr001 at hotmail.com>
To: "Amps at contesting.com" <amps at contesting.com>
Sent: Thursday, January 16, 2014 10:47 PM
Subject: [Amps] Electrolytic Substitutions


>I am repairing an Alpha 87A and need 7 HV filter caps (350uF @ 450v) screw 
>terminal.  The Alpha people spec for a Cornell Dubilier part (CGS series) 
>that costs $40-50 each at various sources.  On the other hand I can buy a 
>different series (381LX) from Cornell Dubilier that has 330uF @ 450v with 
>very similar specs including tolerance, temperature, ripple, DC leakage and 
>ESR .  These would cost me $2 each.  The expensive ones are 5" long screw 
>and the cheapo's are 1 and 3/4" snap-in.  I think I can easily fabricate 
>small screw down double-sided copper thru-hole PCB adapter boards for the 
>snap in's ...  Is there another factor between these two electrolytic 
>series that is not obvious in the Cornell Dubilier spec sheets that should 
>push me to the $300 set versus the $14 set???
>
> john
>
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