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    Doubts in using yellow relays

    Hello all,
    A yellow relay works on 12 V and has 5 pins. Can any one help me how do i chose the pins in it.

    •   Alt19th November 2011, 17:48

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    Re: Doubts in using yellow relays

    If you are talking about standard automotive relays that just happen to be yellow instead of black, here is a good discussion from the very basic to the standard numbering system used. Scroll about half way down to "Standard Mini" (page 8).

    http://www.autoshop101.com/forms/hweb2.pdf

    If instead, you are talking about a special function relay, such as may be used in a safety system, then be very cautious. In the US, our airbag systems are color coded yellow and it is against the law to mess with them at all.

    John


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    •   Alt19th November 2011, 18:01

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    Re: Doubts in using yellow relays

    is there anything written on this yellow relay? otherwise it is hard to say ...



    •   Alt19th November 2011, 19:32

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    Re: Doubts in using yellow relays

    Most probably the relay diagram is as shown in the attached figure. If so, Pin 1 and 2 are the relay coil windings. Pin 3 is common and the pin 4 and 5 are NO / NC contacts, please check it using a multimeter.

    Relay.JPG


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    Re: Doubts in using yellow relays

    The relay will have a make and model number written on it, Google for that and you will find the datasheet for it, this will tell you which pins are which.

    BTW, no all yellow relays are automotive.
    Please do not PM me questions that are better asked in the PCB forum :)



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    Re: Doubts in using yellow relays

    Thanks
    The relay reads something like this.
    HKK
    HRSS 4H-S-12VDC
    50/60 Hz

    I couldn't find the datasheet.
    Barasha



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    Re: Doubts in using yellow relays

    Barasha
    Is the base diagram of the relay consistent and tested OK or the problem still persists.

    Some similar relays are found at the link below !

    HUIGANG Relay 12V PCB HRS Power Relay HRS2H-S-DC12V New items in ericcheungelectronic store on eBay!


    ARK
    Last edited by ark5230; 22nd November 2011 at 16:54.



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    Re: Doubts in using yellow relays

    [/COLOR]ark5230
    Thanks
    Yes it is.
    Pins 4 and 5 shorts when connected to pin3
    Last edited by Barasha; 22nd November 2011 at 17:03. Reason: Repeated posts
    Barasha



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