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Old 6th April 2012, 10:59 AM   #1
tomst is offline tomst  United Kingdom
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Default What is this capacitor

Please could you help identify this type of capacitor. I Just it out of a Rotel RCD-965BX position C202. Numbers on it are 120P, F630, CN KS.
Thanks
Tom
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Old 6th April 2012, 11:08 AM   #2
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DEAD - VERY DEAD.

L.O.L.

It looks like a 120pF/630V Polypropylene but can you give us an idea of its size.

More to the point - HOW has a 630V cap got into that state ?

Polyprops are usually pretty reliable unless they are overheated.

Last edited by KatieandDad; 6th April 2012 at 11:13 AM.
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Old 6th April 2012, 11:13 AM   #3
tomst is offline tomst  United Kingdom
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10mm long about 3.5mm diameter
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Old 6th April 2012, 11:15 AM   #4
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That sounds about right. The larger diameter is because of its high voltage rating.

Might be worth waiting to see if anyone has the schematics to confirm the value.
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Old 6th April 2012, 11:20 AM   #5
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There isn't a C202

http://bwgroup-support.com/rotelservicemanuals.html

Purely from its voltage rating I would guess that its C001 - across the mains switch. I am guessing though.

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Old 6th April 2012, 11:34 AM   #6
Elvee is offline Elvee  Belgium
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Quote:
Originally Posted by tomst View Post
Please could you help identify this type of capacitor. I Just it out of a Rotel RCD-965BX position C202. Numbers on it are 120P, F630, CN KS.
Thanks
Tom
It is a Philips polystyrene capacitor of 120pF/1% 630V.
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Old 6th April 2012, 11:36 AM   #7
tomst is offline tomst  United Kingdom
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it's in the bottom right hand corner of U112 between 0AR0 and 0AR1-
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Old 6th April 2012, 11:38 AM   #8
Pingrs is offline Pingrs  United Kingdom
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Beat me to it.

Philips 120pF F=+/-1% 630V CN= Date KS= polystyrene (Unlacquered version)

Brian.
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Old 6th April 2012, 11:38 AM   #9
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I agree with ELVEE - my mistake polystyrene not polypropylene.

If you can ascertain where it is in the circuit we can offer a suggestion for a replacement.
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Old 6th April 2012, 11:39 AM   #10
tomst is offline tomst  United Kingdom
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I guess this would do as a replacement

FSCEX 120PF 1% 630V - LCR COMPONENTS - CAPACITOR, 120PF, 630V | Farnell United Kingdom
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