polysix optoisolator replacement

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rhino
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Re: polysix optoisolator replacement

Post by rhino » Thu Jan 24, 2013 10:50 pm

here's the same part for cheaper:
http://www.alliedelec.com/search/produc ... U=70219697

The datasheet for the 5-legged version shows the resistive element drawn like a pot: top, bottom and moving(??) center "wiper". Don't understand how that works... didn't think there were any materials that decreased resistance with LESS light.
When the wise man points to the stars, the fool looks at the finger.
- Confucius

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