Re: polysix optoisolator replacement
Posted: 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.
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.