diode for relay

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gudel

Member - Posts: 10

Joined: March 05, 2005

Location: United States

Posted: March 23, 2005 at 2:04 AM / IP Logged

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.

thepencil

Gold - Posts: 1,526

Joined: December 16, 2002

Location: Canada

Posted: March 23, 2005 at 9:54 PM / IP Logged

A discussion on the topic that you are asking.

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

Be careful whose advice you buy, but be patient with those who supply it. diode for relay -- posted image.

gudel

Member - Posts: 10

Joined: March 05, 2005

Location: United States

Posted: March 24, 2005 at 3:42 AM / IP Logged

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

Ween

Platinum - Posts: 1,366

Joined: August 01, 2004

Location: Illinois, United States

Posted: March 24, 2005 at 5:15 AM / IP Logged

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.

mark

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diode for relay

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