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'[PIC]:[OT]: Thin Film Heaters'
2000\08\08@113947 by Howard McGinnis

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I hope I got these prefixes right on the subject line.

Our 16F873 based controller (there's the PIC tie in) is attached to a
dollar bill acceptor. The dollar bill acceptor has a tendency to freeze up
(exposed somewhat to the elements) during the cold northern winter. Our
customer in the past has used a 40 watt light bulb to keep the interior
toasty to prevent icing and I am trying to locate a source of thin film
heaters that operate in the 24 VDC range.

Any sources?

Thanks,
Howard
Howard McGinnis
spam_OUThmcginniTakeThisOuTspamdigital.net
Electronic Visions, Inc.
1650 Barrett Drive
Rockledge FL 32955
(321) 632-7530
http://ddi.digital.net/~hmcginni
.....mcginnisKILLspamspam@spam@e-visions.com

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2000\08\08@115819 by Robert Francisco

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Try Minco products or Watlow.

robertf
----- Original Message -----
From: Howard McGinnis <hmcginnispamKILLspamDIGITAL.NET>
To: <.....PICLISTKILLspamspam.....MITVMA.MIT.EDU>
Sent: Tuesday, August 08, 2000 11:37 AM
Subject: [PIC]:[OT]: Thin Film Heaters


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2000\08\08@131802 by Harold M Hallikainen

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       You might consider a PTC thermistor which would act as a self regulating
heater...

Harold


On Tue, 8 Aug 2000 11:37:09 -0400 Howard McGinnis <@spam@hmcginniKILLspamspamDIGITAL.NET>
writes:
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FCC Rules Online at http://hallikainen.com/FccRules
Lighting control for theatre and television at http://www.dovesystems.com

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2000\08\08@175611 by Plunkett, Dennis

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Rohm make these types ofthings, nominally used to keep you bum toasty in
your car on a cold winter day

You may also want to look at think film power resistors made by Meggit

Dennis


> {Original Message removed}

2000\08\08@192229 by rottosen
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I'm curious. Why not a standard power resistor? Does thin film (or thick
film for all I know) have better pricing or packaging?

-- Rich


Howard McGinnis wrote:
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2000\08\09@184408 by Peter L. Peres

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>thin film heater

imho a bolt-on 47R 17W resistor or two should do fine. You could use it in
series with a 50 degree C self-resetting thermal protection element (or
polyfuse). The thin film heater may be more expensive than this.

hope this helps,

       Peter

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