[NJARC] Surge limiting resistor
Al Klase
ark at ar88.net
Mon Nov 28 20:40:33 EST 2016
Hi Joe,
It's hard to imagine how you could build a radio cheaper than this.
It's a superhet without an IF amplifier fer Pete sake!!
As for WR1, you might try two of *these
<http://www.digikey.com/product-search/en/circuit-protection/inrush-current-limiters-icl/656273?k=&pkeyword=&v=317&pv679=2&pv680=182&FV=fff4000a%2Cfff80391&mnonly=0&newproducts=0&ColumnSort=0&page=1&quantity=0&ptm=0&fid=0&pageSize=25>*in
series. Failing that, a 50-ohm 5-watt resistor should do OK.
Good luck,
Al
On 11/28/2016 1:08 PM, TrainBee via NJARC wrote:
> Just remember
> Reply = Poster
> Reply All = Everyone
>
> _________________________________________________________
>
>
> I've come across something I haven't seen before. It's a Surge
> Limiting Resistor. This is going into a Philco C-579. (Pg 16 in
> Beitmans 1955) It's a little plastic case radio. It also has a
> phenolic board with copper tracing. That's seen better days as well.
> It seems the only thing holding me back is this resistor.
>
> Can anyone lead me to a source for them? The schematic says 880 ohms
> when cold / 50 ohms when hot.
>
> Thanks in advance.
>
> Joe Devonshire
>
>
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--
Al Klase – N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/
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