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RE: ...another newbie question (NTC thermistor)



Original poster: "Lau, Gary" <Gary.Lau@xxxxxx>

My NTC thermistor was pulled from a large computer power supply I found
at work.  The part was made by "Ketema", p/n SG301, but I can't suggest
how to get more short of Googling.

Regards, Gary Lau
MA, USA

> -----Original Message-----
> From: Tesla list [mailto:tesla@xxxxxxxxxx]
> Sent: Tuesday, November 29, 2005 2:48 PM
> To: tesla@xxxxxxxxxx
> Subject: RE: ...another newbie question
>
> Original poster: "Rich" <rdjmgmt@xxxxxxxxxx>
>
>
> Gary
>
> FYI the CL-60 is a GE part, Digi-Key# KC0241-ND, but the spec are only
> Rcold=.5 Rhot=.02 , I like your numbers better. So where can I order
> some of the parts like yours.
>
> Rich , from the middle of Missouri
>
> Subject: RE: ...another newbie question
>
> Original poster: "Lau, Gary" <Gary.Lau@xxxxxx>
>
> I use a 120V/15A Variac that used to have breaker tripping problems
> whenever I plugged it in, until I added an NTC thermistor.  I don't
know
> what a CL-60 is, but mine looks like a large black disc capacitor,
> Rcold=1.0, Rhot=.015 Ohm.  Works great!  And with my 15/60 with 240uF
of
> PFC caps, I still pull in excess of 20A on the 140V side of the
Variac.
>
> Dennis - was your 20A fuse on the input or output side of the Variac?
>
> Regards, Gary Lau
> MA, USA
>
>
>   > Original poster: "Rich" <rdjmgmt@xxxxxxxxxx>
>   >
>   > I have the same problem with my 15/30 but the real problem is with
> the
>   > Variac and a cure for that is to put a soft start on it. I do have
a
>   > question for the group , because this one has a fuse in it has any
> one
>   > ever tried a thermister CL-60 in a Variac.
>   >
>
>