diode for 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=52426
Printed Date: May 29, 2024 at 5:07 AM

Topic: diode for relay

Posted By: gudel
Subject: diode for relay
Date Posted: March 23, 2005 at 2:04 AM

i've got some these bosch relays, is it necessary to put a diode between terminal 85-86? i wonder if these relays already have a diode protection inside it.

Replies:

Posted By: thepencil
Date Posted: March 23, 2005 at 9:54 PM

A discussion on the topic that you are asking.

If the relay has a diode you will be able to see it.

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Posted By: gudel
Date Posted: March 24, 2005 at 3:42 AM

does the bosch relays have built in diodes? i doubt they would stick it outside the housing. anybody knows? just curious.

Posted By: Ween
Date Posted: March 24, 2005 at 5:15 AM

some bosch relays have the diode inside them, most don't. they may have a supression resistor instead. usually bosch molds/imprints the case with the components inside the relay. look for the schematic diagram of a diode on them. hope this helps.

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