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 What the heck is it, a type of cap?

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dschulma

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PostSubject: What the heck is it, a type of cap?   Sat Oct 16, 2010 4:03 pm

I'm assuming this is some type of across the line cap, perhaps a 2-in-1 type of thing with a ground. As you can see there is a ground wire soldered to the chassis and the component has one leg soldered to each side of the line. What exactly is it and if I were to replace it, what would I replace it with (not that I am going to, but just curious). Thanks in advance.




David, WD0ERU
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jack shirley



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PostSubject: Re: What the heck is it, a type of cap?   Sat Oct 16, 2010 4:06 pm

It is a indeed a 2-n-1 disc cap. One lead is common to both caps, usually ground. If you had to replace it just use two typical .0047 caps @ ~600v but preferably modern 'safety' caps . Its value is not critical as you can see by the tolerance indication.
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dschulma

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PostSubject: Re: What the heck is it, a type of cap?   Sat Oct 16, 2010 4:14 pm

Thanks Jack, so if it were replaced, one cap would go from one side of the line the other side to ground and the other cap would go from the other side of the line and other side to ground? And, can I assume it would be replaced by a line-to-ground safety cap (one for each side?) instead of an across-the-line safety cap?
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jack shirley



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PostSubject: Re: What the heck is it, a type of cap?   Sat Oct 16, 2010 4:22 pm

Can't give a good answer not being familiar with the circuit. If they used two individual caps to ground then you should stick with that. Across the line is usually done on hot chassis sets where one side of the line goes to ground/chassis.
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dschulma

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PostSubject: Re: What the heck is it, a type of cap?   Sat Oct 16, 2010 4:34 pm

Thanks again Jack...looks like I may have to replace after all--appears to be a short in one side of the cap.
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pred



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PostSubject: Re: What the heck is it, a type of cap?   Sat Oct 16, 2010 5:48 pm

two caps, One to each line and the other ends, Tie together and solder to chassis.
Peter
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dschulma

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PostSubject: Re: What the heck is it, a type of cap?   Sat Oct 16, 2010 6:03 pm

Thank you Peter, that's what I'm planning!
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frankradio1



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PostSubject: Re: What the heck is it, a type of cap?   Sun Oct 17, 2010 6:02 pm

It looks like a Zenith AC/DC. The caps are probably OK, and one side of the line goes to the chassis. Be sure to use an isolation transformer.

Tom Ackerman
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