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From: "gert baars"
Subject: Re: Capacitor choices, help?
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Date: Thu, 31 Oct 2002 07:11:43 GMT
NNTP-Posting-Date: Thu, 31 Oct 2002 08:11:43 MET
Organization: Chello Broadband
I made a fixed lightdimmer with a capacitor for an ordinairy 240 VAC
I used a 4 uF cap and it fitted precicely in the hole behind the switch at
Maybe you can use a smaller capacitor with a high-efficiency LED that needs
only a few milliamps.
"Joel Dorfan" schreef in bericht
> I have built a line driven LED circuit. The main component is a 400 or
> .330 micro Farrad capacitor being used as a current limiting device.
> The problem I have is that these polyester caps are huge, almost an inch
> wide by half inch thick. What other caps of different construction but
> similar values could I use that would be a lot smaller?
> I have seen high voltage multilayer ceramic chip caps at this value, would
> they do?
> I want to build the circuit into the base from a broken light bulb and
> screw the whole lot into a lamp to be used as a night light. The physical
> size of the cap. prevents me from doing this.
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