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Help me find a replacement relay

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HighVoltage:
Interesting, thanks for the info.

The diode is probably just a flyback diode to kill back voltage from the coil in your case?
I opened my relay today but did not see any diode inside.
https://www.eevblog.com/forum/repair/agilent-34410a-repair-attempt-of-2-dead-meters/msg832114/#msg832114

Also, in my case the footprint is different and the relay can not be flipped 180 degree.

TimFox:
Yes, it is a flyback diode.  You should be able to see if it is installed with an ohmmeter:  asymmetric values with opposite polarity.

w9sz:
If anyone is still looking for a replacement for this, this is an almost drop-in replacement: COTO 3501-05-511

https://www.mouser.com/ProductDetail/Coto-Technology/3501-05-511?qs=%2Fha2pyFadugZH48hv7vzIOHC%2FiNqsHn8TZEIql2XBVw%3D

The one I received had an extra not-connected pin between the two pins on the relay coil end, which I cut off

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