[Boatanchors] recapping with polyprop caps

jeremy-ca km1h at jeremy.mv.com
Mon Feb 25 08:08:39 EST 2008


The band end is the outside of the foil and is usually the side grounded 
when used as a RF bypass. In audio or DC applications it doesnt matter.

Those capcitors are NOT electrolytic and are NOT polarized.

Carl
KM1H


----- Original Message ----- 
From: "J Forster" <jfor at quik.com>
To: <eugene at hertzmail.com>; <Boatanchors at mailman.qth.net>
Sent: Sunday, February 24, 2008 10:11 PM
Subject: Re: [Boatanchors] recapping with polyprop caps


> There is a SLIGHT preference for wiring them so that the outer foil
> (indicated by band marking) is the ground end, but it's minor.
>
> -John
>
>
>
> J Forster wrote:
>
>> Yes & yes,
>> -John
>>
>> eugene at hertzmail.com wrote:
>>
>> > Hello all,
>> >
>> > I am recapping some of the HV capacitors in a heathkit SB-610.  The
>> > originals were 1000V, 1200V and 1600V and values such as .25uF, .1uF
>> > etc.  It was suggested to me that these be replaced with metallized
>> > polypropylene film caps to get similar values and sizes.
>> >
>> > The originals were electrolytic and the polarity was clearly marked.
>> > These new polyprop caps do not seem to indicate a polarity.  Is this
>> > correct? I am always concerned about HV caps to make sure they are
>> > installed correctly (if there is an incorrect way to install them).
>> >
>> > Are these caps non-polarized? Can these caps be put in any orientation?
>> >
>> > Thanks
>> > Eugene
>> >
>> > _______________________________________________
>>
>> _______________________________________________
>
> _______________________________________________
> 



More information about the Boatanchors mailing list