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| Product Bulletin OPB853A July 1996 Slotted Optical Switches Types OPB853A1, OPB853A2, OPB853A3 Features *Inexpensive opaque plastic housing *0.125" (3.18 mm) wide slot *0.290" (7.37 mm) lead spacing *Apertured for high resolution *Photodarlington output Description The OPB853A series of slotted optical switches consist of an infrared emitting diode and an NPN silicon photodarlington. They are mounted on opposite sides of a 0.125" (3.18 mm) wide slot. The emitter has a 0.050" X 0.050" (1.27 mm X 1.27 mm) molded-in aperture while the photodarlington has a 0.010" X 0.050" (0.254 mm X 1.27 mm) molded-in aperture. Absolute Maximum Ratings (TA = 25o C unless otherwise noted) Storage and Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . -40o C to +85o C Lead Soldering Temperature [1/16 inch (1.6 mm) from case for 5 sec. with soldering iron] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240o C(1) Input Diode Forward DC Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA Peak Forward Current (1 s pulse width, 300 pps) . . . . . . . . . . . . . . . . . . . . . . . 3.0 A Reverse DC Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0 V Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mW(2) Output Photodarlington Collector-Emitter Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 V Emitter-Collector Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0 V Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mW(2) Notes: (1) RMA flux is recommended. Duration can be extended to 10 sec. max. when flow soldering. (2) Derate linearly 1.67 mW/o C above 25o C. (3) All parameters tested using pulse technique. (4) Methanol and isopropanol are recommended as cleaning agents. Housings are soluble in chlorinated hydrocarbons and ketones. Highly activated, water soluble fluxes may attack housings in some situations. Optek Technology, Inc. 1215 W. Crosby Road Carrollton, Texas 75006 12-120 (972) 323-2200 Fax (972) 323-2396 Types OPB853A1, OPB853A2, OPB853A3 Electrical Characteristics (TA = 25o C unless otherwise noted) SYMBOL Input Diode VF IR V(BR)CEO V(BR)ECO ICEO Forward Voltage Reverse Current Collector-Emitter Breakdown Voltage Emitter-Collector Breakdown Voltage Collector-Emitter Dark Current Saturation Voltage On-State Collector Current IC(ON) OPB853A1 OPB853A2 OPB853A3 2.5 5.0 10.0 15 5.0 100 1.0 PARAMETER MIN MAX UNITS 1.7 100 V A V V nA V mA mA mA TEST CONDITIONS IF = 20 mA VR = 2 V IC = 1 mA IE = 100 A VCE = 10 V IC = 1.8 mA, IF = 10 mA VCE = 1.5 V, IF = 5 mA VCE = 1.5 V, IF = 5 mA VCE = 1.5 V, IF = 5 mA Output Phototransistor Coupled VCE(SAT) 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 12-121 |
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