[Amps] Automotive Relays

[Larry Benko]

Another vote would be for the Schrack/Tyco RTD14012F relay.  It is 16A 
and sells for only a little more than the relay Dave mentioned as a P&B 
branded relay.  It is also available in an orange shell without the UL 
class F insulation Schrack brand (we don't need UL class F) for less 
than the relay Dave mentioned.  The open contact breakdown voltage is 
spec'd at 1000Vrms but I have measured it as more like 1500vrms and the 
coil to contact breakdown is spec'd at 5000Vrms which I have verified.  
Digikey sells all 3 of these relays but generally for relays I have 
found Allied is usually cheaper than Digikey or Mouser.

Just my. $0.02

Larry, W0QE

Dave Hachadorian wrote:
> Below is some info from W2VJN on inexpensive relays for RF. They 
> are available for $2.43 each here:
> http://parts.digikey.com/1/parts/747811-relay-pwr-spdt-10a-12vdc-pc-mnt-jw1fsn-dc12v.html
>
> Dave Hachadorian, K6LL
> Big Bear Lake, CA
>
>
>   
>> The relays which we use in the Top Ten Devices boxes are 10 
>> amp,
>> sealed power relays.  They are very small and have very low
>> inductance.  The contacts are connected to the base pins with
>> wide conductors.  I have run many power tests on these relays
>> and the pc boards they are mounted on with temperature monitors
>> and they will take full amateur power (+) to over 30 MHz.  We
>> rate our boxes conservatively at 1.5 KW.  The part number is
>> JW1FSN-DC12V.  They come with several different brand names on
>> them.  Similar relays are being used by other manufactures of
>> amateur boxes and they rate them variously at 3 KW and 5 KW.
>>
>> George, W2VJN
>>     
>  
>
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