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What Zener diode do I use on relay?

Printed From: the12volt.com
Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=84484
Printed Date: May 12, 2025 at 1:51 PM


Topic: What Zener diode do I use on relay?

Posted By: rubirock
Subject: What Zener diode do I use on relay?
Date Posted: October 22, 2006 at 10:15 PM

What Zener diode do I use across 85 and 86 on my relay? what is the proper rating or part no. to use?

Thanks guys!

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John
4x4s-pod.com



Replies:

Posted By: Velocity Motors
Date Posted: October 22, 2006 at 11:21 PM
1N4001 1 amp diode will suffice for this.

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA



Posted By: hotwaterwizard
Date Posted: October 26, 2006 at 11:29 PM

Do not use a ZENER Diode!

It is different from a regular Diode.

A Zener is used to regulate voltage to a desired level.

A General Purpose or High Speed Diode is what you need.



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John DeRosa (Hotwaterwizard)
Stockton California
When in doubt, try it out !


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