Looking for Mr. Glo-Bar

[Bob Wier]

>There's a part used in SMPS (switchmode power supply) designs to limit
>inrush current. I'm drawing a blank for a moment, but isn't it a NTC
>thermistor? There is a company in Muskegon MI that makes them...but I can't
>think of the name.
>
>Glo-Bar...look up a company called Cesiwid. I may be making an invalid
>association, but I believe they make the 'organic' resistors used in the
>Cantenna. they might be what became of Glo-Bar, or I am just grouping them
>in my mind because they are both 'weird' resistors.
>
>Murray
>
>

It's probably them - on their web page, then mention soft start/
current limiting resistors.

http://www.cesiwid.com/resistors.html

For OLD guys like me, we remember the days when there was a similar
thing used in the primary on an auto ignition coil. It was designed
to deliver a hot, high voltage spark when cranking the engine (ie,
cold) but to knock down the voltage once the engine was running
awhile - this was to minimize point pitting. One of the tricks you'd
use when your rings stated going bad and you had oil on the plugs
was to bypass this element, so you'd get a hot spark to hopefully
fire through the oil...

73s de WB5KXH

--Bob Wier

wier at calcite.rocky.edu

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