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RE: Relays for Signal Switching?

Posted by Uncle Mike on August 5, 2017 at 16:27:49

In Reply to: Relays for Signal Switching? posted by Triode_Kingdom on August 5, 2017 at 12:13:35:

Two things I see.
The switching contacts are gold plated silver. I believe silver nickle alone is adequate. They hold up well as witnessed by many years as the "gold" standard on relay pads.
Also think about putting a diode in parallel with the coil. It helps to save the coil.
Personally, I'm not a big fan of those compact relays. This is borne out because of many years of dealing with them in industrial applications. Low voltage, low current with minimal switching action they work fine.
I prefer the "ice cube" type and feel they are more robust. If you use the octal base type you can steal one for a 6sn7 front end in a pinch!

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