Re: PTC (positive Thermo coefficient) device temp ratings.
- From: martin griffith <mart_in_medina@xxxxxxxxxxx>
- Date: Tue, 20 Dec 2005 23:25:30 +0100
On Tue, 20 Dec 2005 16:47:52 -0800, in sci.electronics.design Jamie
<jamie_5_not_valid_after_5_Please@xxxxxxxxxxx> wrote:
>
> this has alluded me for a while since
>i can not seem to find the temperature
>at which the manufactures state their
>PTC or NTC. etc..
> for example
> i have a PTC rated for 100 ohms cold!
> now what temp is that?
> hell, it's 55F here in the shack and i
>am cold now! does that apply? :)
> just like to know what temp they are
>referring to !
I've only collided with NTC's occasionally, do a search for siemens
matushita B57164 data ***, gives a lot of numbers, in centigrade,
they seem to be referenced to 25C
martin
.
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