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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Ceramic disc capacitors
I've recently had a few cases of ceramic discs - usually 0.1µF used for HF
smoothing - failing short circuit. They've been generic wax covered beige coloured types. Any better replacement - or particular make to go for? -- *Don't worry; it only seems kinky the first time.* Dave Plowman London SW To e-mail, change noise into sound. |
#2
Posted to sci.electronics.repair
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Ceramic disc capacitors
"Dave Plowman (News)" wrote: I've recently had a few cases of ceramic discs - usually 0.1µF used for HF smoothing - failing short circuit. They've been generic wax covered beige coloured types. Any better replacement - or particular make to go for? Ceramic multi-layers may be a better choice but I will add that I've had trouble even with these when used for supply bypassing on analogue supplies like 15V (they sometimes caught fire). As a result I tend to use polyester film/mylar types on anything above 5V. Graham |
#3
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Ceramic disc capacitors
In article ,
Eeyore wrote: "Dave Plowman (News)" wrote: I've recently had a few cases of ceramic discs - usually 0.1µF used for HF smoothing - failing short circuit. They've been generic wax covered beige coloured types. Any better replacement - or particular make to go for? Ceramic multi-layers may be a better choice but I will add that I've had trouble even with these when used for supply bypassing on analogue supplies like 15V (they sometimes caught fire). As a result I tend to use polyester film/mylar types on anything above 5V. Thanks for that - is their performance as good? I'm not really concerned about cost giving the few ever needed. Graham -- *If horrific means to make horrible, does terrific mean to make terrible? Dave Plowman London SW To e-mail, change noise into sound. |
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