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Original question:

TINA/Spice: pc357 optocoupler model

Optocoupler SFH640

Harris Limasi1
Prodigy 170 points

Hi,

I am having problem with simulation of an optocoupler for Vishay SFH640. The out from collector to emitter always high (short C to E) despite the input is alternating between on and off. Any advise how to fix this problem ?. Thank you.2538.OC.TSC