Help Circuit Problem

Questions relating to designing PCBs

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Help Circuit Problem

Post by brian25 » Sun Aug 25, 2013 1:09 am

hi sir/ma'am what's the function of the pins in this relay and where application they can usually use? tnx

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Re: Help Circuit Problem

Post by leon_heller » Sun Aug 25, 2013 4:58 am

Check the data sheet!
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Re: Help Circuit Problem

Post by uChip » Sun Aug 25, 2013 8:29 am

If I read the markings correctly this is a Sharp PC817 photocoupler, not a relay. Take a look at the datasheet here:

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