1 of 2 Hutton Close, Crowther Ind Est, Dist 3, Washington, Tyne & Wear NE38 0AH, England Email: isocom@dial.pipex.com - Tel: +44 0191 4166546 - Fax: +44 0191 4155055 Photodarlington with Base Connection Similar Circuits Optocouplers Catalogue Home Page Optically Coupled Pair with IR Emitter and Photo Darlington Transistor PARAMETER CONDITION VALUE Continuous Forward Current Max 60mA PIV LED 10mA Min 3V 4N29-33:If=8 mA, Ic=2mA Vce Sat Max 1.0V H11B1, MCA255:If=Ic=1 Current Isolation BVceo Iceo (Dark) Parameter Transfer Ratio Breakdown Voltage MIN DC MIN MAX Condition If=10mA @ 1mA Vce=10V 4N29 100 % 4N30 3300 V 30 V 50 nA 4N31 50 % 2 of 2 4N32 500 % 4N33 H11B1-3 500 % (If=1mA) MCA231 200 MCA230 100 % (If=1mA) MCA255 MCA2230 100 % MCA2231 500 % MCA2255 200 % (If=1mA) 30 V 3550 V 100 nA 55 V 5300 Vrms 30 V 100 nA 55 V Similar Circuits Contents