For someone who might be searching for this in the future, here is a link to
the power handling versus frequency for Dow Key relays/switches:
http://www.dowkey.com/_pseries_attach/_plk84_1_power_chart_01.pdf
Doug
K4FC
> -----Original Message-----
> From: vhfcontesting-bounces@contesting.com [mailto:vhfcontesting-
> bounces@contesting.com] On Behalf Of Doug Rehman
> Sent: Wednesday, February 25, 2009 1:13 PM
> To: vhfcontesting@contesting.com
> Subject: [VHFcontesting] RF Relay Help
>
> I'm trying to set up a Henry Tempo 6N2 for use as my 144 amp (about
> 1KW). In
> going thru my junk box of relays, I found several possible candidates,
> but I
> can't find VHF power capacity information for them. They are:
>
> Dow Key 402-123 also marked with 58D82624R01 (this is a 12V DPST)
>
> Dow Key 412-112 also marked with 19B801247P1 (this is a transfer relay)
>
> Dynatech FSCM 50667 also marked with T5-113F802 (this is a transfer
> relay-
> it says "spec 6-30 MHz", but has N connectors and is slightly larger
> than
> the Dow Key 412-112
>
> Any ideas what the power capacity of these relays is for VHF? Switching
> the
> input to the amp is no big deal, but the output is a lot of power.
>
> On a related note, I've got some relays that are rated for 100 watts at
> 3
> GHz, any idea what the power capability at lower frequencies would be?
>
> Thanks for any help, ideas, suggestions, etc.,
> Doug
> K4AC
>
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