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Old 4th March 2011, 12:48 PM   #1
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Default Russian Relays?

I was browsing around on eBay and found a couple lots of 10 of these little guys;

RES10 Relays (RAYLEIGH Protection class)

From the specs they look pretty good, if your pre/amp were in use while on the space shuttle during takeoff. Outside of that, how do they look? I have a bid in for one lot just to play with 'em, I'm diggin' the metal casing.

Has anyone got any experience with these?
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Old 7th March 2011, 05:36 PM   #2
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Well, I bought 30 of 'em for $24 to my door. Apparently they have silver contacts... (?)
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Old 7th March 2011, 06:18 PM   #3
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wow - good price. Could be a real find for say a relay based stepped atenuator, or lots of other applications.
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Old 8th March 2011, 01:23 AM   #4
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Quote:
Originally Posted by firechief View Post
wow - good price. Could be a real find for say a relay based stepped atenuator, or lots of other applications.
That's the idea!
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Old 8th March 2011, 11:44 AM   #5
oshifis is offline oshifis  Hungary
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I built a stepped attenuator from Russian RES-47 relays some time ago. The issue is you don't know the contact resistance and capacitance, and it was a bit noisy in action for me. Also one failed after some time. Now I'd use mercury-wetted reed relays. Better you open one and see what is inside.
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