[Amps] toroid filament choke?
R.Measures
r at somis.org
Wed Oct 27 08:00:39 EDT 2004
On Oct 26, 2004, at 10:41 PM, Will Matney wrote:
> Tony,
>
> You have to keep in mind the current surge there until the heater
> warms up. The colder the heater is, the more current it draws. I would
> use a conductor with at least 750 cir mils per ampere. For 3 amperes,
> that equals out to be about 16 AWG wire for the minimum.
In single layer RF choke service, #16 silicone-varnished (Type WT) Cu
wire will handle 20A. This type of wire is presently SOP in electric
motor shops.
> Without doing any calculations, a higher inductance is indeed needed
> for 160 meters. ...
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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