Product Bulletin OPB856 July 1996 Wide Gap Optical Sensor Type OPB856 Features Absolute Maximum Ratings (TA = 25o C unless otherwise noted) • Industrial package • Threaded housing • Molded connectors Storage and Operating Temperature Range . . . . . . . . . . . . . . . . . . . -40o C to +85o C Description Output Phototransistor Input Diode Continuous Forward Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0 V Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mW(1) The OPB856 consists of an LED and a phototransistor each mounted in a threaded (M12x1TH) color coded housing. The LED is white, and the phototransistor is black. Both have a molded Molex connector for ease of installation. For cable and connector operations, contact the factory. Optek Technology, Inc. Collector-Emitter Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 V Emitter-Collector Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0 V Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mW(1) Notes: (1) Derate Linearly 1.67 mW/o C above 25o C. (2) d is the distance between lenses along the optical axis. (3) All parameters tested using pulse technique. 1215 W. Crosby Road Carrollton, Texas 75006 12-130 (972) 323-2200 Fax (972) 323-2396 Type OPB856 Electrical Characteristics (TA = 25o C unless otherwise noted) SYMBOL Input Diode PARAMETER MIN MAX UNITS TEST CONDITIONS VF Forward Voltage 1.7 V IF = 20 mA IR Reverse Current 100 µA VR = 2 V V IC = 100 µA Output Phototransistor V(BR)CEO Collector-Emitter Breakdown Voltage 30 V(BR)ECO Emitter-Collector Breakdown Voltage 5.0 ICEO Collector Dark Current 100 V IE = 100 µA nA VCE = 10 V, IF = 0, Ee = 0 mA VCE = 5 V, IF = 20 mA, d = 2”(2) Coupled On-State Collector Current(3) IC(ON) 1.8 Typical Performance Curves Normalized Output Current vs. Distance +2σ Normalized to d = 2.0" IF = 20 mA VCE = 5.0 V Average -2σ d - Distance Between LED and Sensor Housings - Inches Optek reserves the right to make changes at any time in order to improve design and to supply the best product possible. Optek Technology, Inc. 1215 W. Crosby Road Carrollton, Texas 75006 (972) 323-2200 Fax (972) 323-2396 12-131