[Drake] Re: TR-3 Relay same as TR-4C? [Was: Need Relay for T4X-C]

[doc]

Is this the same relay used in the TR-3, please?

Thanks!  doc

Garey Barrell wrote:
> Paul -
> 
> The "correct" replacement relay is the P&B (Tyco) R10-E1-Y4-V2.5k, same 
> relay used in the TR-4C, which IS available from Mouser.  You need to 
> add a 1.5k 1/2W resistor in series with the coil, otherwise a drop-in 
> replacement.
> The 15k ohm coil relays were failure prone, primarily because of the 
> very fine wire needed.  The bobbin would swell,  especially in humid 
> conditions, stressing and breaking the wire.  This is why T-4XC's that 
> have been stored in the garage for a while often have a bad relay!  The 
> 2.5k ohm coil of course uses considerably larger wire.
> 73, Garey - K4OAH
> Atlanta

-- 
Thanks! & 73, doc kd4e

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