[Boatanchors] Filter cap question

Glenn Little WB4UIV glennmaillist at bellsouth.net
Tue Sep 3 22:30:35 EDT 2019


Possibly for a while.
The lower value is out of tolerance low for the required value.
If it does work with acceptable hum, it may not last very long due to 
degrading of the capacitors (your original problem).
I would use 125 MFD or reasonably larger.

73
Glenn
WB4UIV


On 9/3/2019 9:52 PM, RAY FRIESS wrote:
> Question about filter caps.  I'm recapping a Drake AC-3 power supply.  Calls for 125 mfd at 400 volts.  I have some 100 mfd at 500 volts.  Is 100 close enough to 125 to work??
>
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Glenn Little                ARRL Technical Specialist   QCWA  LM 28417
Amateur Callsign:  WB4UIV            wb4uiv at arrl.net    AMSAT LM 2178
QTH:  Goose Creek, SC USA (EM92xx)  USSVI LM   NRA LM   SBE ARRL TAPR
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