OPB 740 Series Reflective Object Sensors Description The OPB740 through OPB744 series of reflective object sensors each consist of an infrared emitting diode and an NPN silicon phototransistor mounted side by side on converging optical axes in an black plastic housing. Various options include choice of no windows, blue polysulfone windows for dust protection or opaque windows with offset openings for improved resolution. Available with wires as OPB740W / OPB744W series. Replaces OPB 740 = K8700 NO WINDOWS OPB 741 = K8701 BLUE WINDOWS OPB 742 = K8708 OFFSET WINDOWS OPB 743 = K8710 NO WINDOWS OPB 744 = K8711 BLUE WINDOWS OPB 745 = K8709 OFFSET WINDOWS OPB 740W = K8702 NO WINDOWS/WIRES OPB 741W = K8703 BLUE WINDOWS/WIRES OPB 742W = K8712 NO WINDOWS/WIRES OPB 744W = K8713 The OPB 745 reflective object sensor consists of an infrared emitting diode and an NPN silicon photodarlington mounted side by side on converging optical axes in a black plastic housing. MECHANICAL DATA 15.1+/-0.1 3.9 3.1 5.0 +/-0.1 3.18 1.52 R1.52 A 2.54 K REFLECTIVE 17.8 +/-0.1 5 9.5 E C 3.81 NOM OPB740 OPB743 0.5 SQ NOM OPB741 OPB744 OPB742 WIRE CONNECTION ORANGE ANODE GREEN CATHODE WHITE COLLECTOR BLUE EMITTER NOTES 1 RMA Flux is recommended. Duration can be extended to 10sec. max. when flow soldering. 2 Derate Linearly 1.82mW/oC above 26oC 3 d is distance from the assembly face to the reflective surface. 4 Reflective surface is Eastam Kodak neutral white test card with 90% diffuse reflectance as a .... reflective surface. 5 Lower curve is based on calculated worst case condition rather than the conventional -20 limit. 6 Crosstalk is the photocurrent measured with current to the input diode & no reflecting surface. 7 All parameters tested using pulse technique. BEDFORD OPTO TECHNOLOGY LTD LINDSAYLANDS, BIGGAR, ML12 6NR Tel: +44 (0) 1899 221221 Fax: +44 (0) 1899 221009 Website: bot.co.uk E-mail: [email protected] Iss A 2.3.01 ABSOLUTE MAXIMUM RATINGS (25oC unless otherwise noted) INPUT DIODE FORWARD DC CURRENT REVERSE DC VOLTAGE 40mA 2.0V OUTPUT SENSOR COLLECTOR-EMITTER VOLTAGE EMITTER-COLLECTOR VOLTAGE 30V 5.0V OUTPUT PHOTODARLINGTON COLLECTOR-EMITTER VOLTAGE EMITTER-COLLECTOR VOLTAGE 15.0V 5.0V OPB 740 SERIES OPERATING TEMP -40 C TO +80 oC STORAGE TEMP -40 C TO +80 oC LEAD SOLDERING TEMP 240 oC (1) OPTO ELECTRONIC DATA(Ta=25oC) PARAMETER SYMBOL MIN MAX UNITS TEST CONDIS TIONS INPUT DIODE Forward Voltage VF 1.70 V If = 40mA Reverse Current IR 100 µA Vr = 2.0V OUTPUT PHOTOTRANSISTOR Collector-Emitter Breakdown V(BR)CEO 30.0 V Ic = 100µA Emitter-Collector Breakdown V(BR)ECO 5.0 V Ie = 100µA nA Vce= 10.0V, If = 0, Ee µA µA Vce=5.0V, If=40mA, d=150” µA nA Vce=5V, If=40mA, Collector-Emitter Dark Current ICEO 100 COUPLED CHARACTERISTICS On state Collector Current OPB740/OPB741/W OPB742/W OPB743/OPB744/W Crosstalk OPB740/OPB741/W OPB742/W OPB743/OPB744/W IC(ON) (3) (4) 50 10 ICX (6) 10 100 Output Photodarlington OPB745. OPB745W Collector-Emitter Breakdown Volt- V(BR)CEO 15.0 V Ic = 100µA Emitter-Collector Breakdown Volt- V(BR)ECO 5.0 V Ie = 100µA nA Vce = 10.0V, If = 0, mA Vce=5.0V, If=40mA, nA Vcc=5V, If=40mA Collector Dark Current ICEO 250 COUPLED O n-state Collector Current Crosstalk IC(ON) (3) ICX (2) 1.00 250 BEDFORD OPTO TECHNOLOGY LTD LINDSAYLANDS, BIGGAR, ML12 6NR Tel: +44 (0) 1899 221221 Fax: +44 (0) 1899 221009 Iss A 2.3.01