[AMRadio] Relay Voltage ID

Jack Schrader w1jhs at myfairpoint.net
Fri Jul 3 21:15:16 EDT 2009

I think, from my past work experiance, that you can find the specs on that 
relay in the Newark catalog online.

----- Original Message ----- 
From: "WA5VGO" <hbrnut at suddenlink.net>
To: <amradio at mailman.qth.net>
Sent: Friday, July 03, 2009 5:53 PM
Subject: Re: [AMRadio] Relay Voltage ID

> Bear in mind, that what really matters here is the coil resistance, not 
> the
> voltage rating of the relay coil. If the coil resistance is substantially
> different, it will upset the voltage divider. If you use more than one
> relay, it could really upset things. A 110 VDC relay generally has a coil
> resistance of about 10K. If you can find one of these (they are still
> manufactured) it should work fine.
> Darrell, WA5VGO
> The coil for K301 is fed from the low voltage power supply thru the 
> voltage
> divider R309 & R310. The low voltage is 240 volts. I come up with 96 volts
> on the coil.
> Darrell, WA5VGO
> _______________________________________
> No viruses found in this outgoing message
> Scanned by iolo AntiVirus
> http://www.iolo.com
> ______________________________________________________________
> Our Main Website: http://www.amfone.net
> AMRadio mailing list
> Searchable Archives: http://www.mail-archive.com/amradio@mailman.qth.net/
> List Rules (must read!): http://w5ami.net/amradiofaq.html
> List Home: http://mailman.qth.net/mailman/listinfo/amradio
> Post: AMRadio at mailman.qth.net
> To unsubscribe, send an email to amradio-request at mailman.qth.net with
> the word unsubscribe in the message body.
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html


No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 8.5.375 / Virus Database: 270.13.3/2216 - Release Date: 07/03/09 

More information about the AMRadio mailing list

This page last updated 24 Feb 2018.