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What is this capacitor
What is this capacitor
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Old 6th April 2012, 11:39 AM   #11
KatieandDad is offline KatieandDad  United Kingdom
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How the hell did it get into that state.

You can use any 1% Polystyrene cap of 120pF in that position as long as the voltage rating is above the Vcc of the IC. I'd go for 63V just to be safe.

http://uk.farnell.com/lcr-components...30v/dp/9520678

Here's one as an example.

Last edited by KatieandDad; 6th April 2012 at 11:43 AM.
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Old 6th April 2012, 11:44 AM   #12
KatieandDad is offline KatieandDad  United Kingdom
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How did that happen ? I managed to post a suggested replacement in your last post ?

FSCEX 120PF 1% 630V - LCR COMPONENTS - CAPACITOR, 120PF, 630V | Farnell United Kingdom
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Old 6th April 2012, 11:47 AM   #13
tomst is offline tomst  United Kingdom
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I caught it with a soldering iron.
Thanks for your help
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Old 6th April 2012, 11:53 AM   #14
KatieandDad is offline KatieandDad  United Kingdom
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You might find these guys more helpful with small quantities but this is only a 3% component not 1%

Cricklewood Electronics - CCTV. CCTV Equipment. CCTV Systems. Digital CCTV Cameras
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Old 6th April 2012, 12:08 PM   #15
tomst is offline tomst  United Kingdom
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Thanks again I will keep them in mind.
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Old 6th April 2012, 12:12 PM   #16
Mooly is offline Mooly  United Kingdom
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What is this capacitor
Looks like it's been burned by having a soldering iron to close.

Ebay purchase maybe ?
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Old 6th April 2012, 12:21 PM   #17
KatieandDad is offline KatieandDad  United Kingdom
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Quote:
Originally Posted by Mooly View Post
Looks like it's been burned by having a soldering iron to close.

Ebay purchase maybe ?
Easy enough bit to get but nothing on E-Bay this afternoon.

I've never known one to fail though. OK this one is cooked, but they normally fail very early in their life.
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Old 6th April 2012, 12:27 PM   #18
Mooly is offline Mooly  United Kingdom
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What is this capacitor
Quote:
Originally Posted by KatieandDad View Post
Easy enough bit to get but nothing on E-Bay this afternoon.

I've never known one to fail though. OK this one is cooked, but they normally fail very early in their life.


I meant the Rotel actually, sorry if it wasn't clear. There's no way a cap could fail in that location and it does just look like external burn marks tbh.
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Old 6th April 2012, 12:33 PM   #19
KatieandDad is offline KatieandDad  United Kingdom
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I wonder why he suspected it in the first place ?

I'm out of my league here but if the IC is suspect - I would start with the Xtal.

Last edited by KatieandDad; 6th April 2012 at 12:39 PM.
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Old 6th April 2012, 03:12 PM   #20
tomst is offline tomst  United Kingdom
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The capacitor was fine until ,due to it being late and me being tired, i caught it with the soldering iron whist doing something else? Oh well these things happen.
Thanks again for your help.
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