>I don't think they make opto-FETs do they ? They are made, RS Components have them H11F1 from Isocom Components (RS = #111-194 cost GBP2.31 ea in 1-24 lots.) -- http://www.piclist.com hint: PICList Posts must start with ONE topic: "[PIC]:" PIC only "[EE]:" engineering "[OT]:" off topic "[AD]:" ad's