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| HOA1885 Transmissive Sensor FEATURES * Choice of phototransistor or photodarlington output * High profile package for raised optical centerline * Ambient light and dust protective filter * 0.200 in.(5.08 mm) slot width INFRA-69.TIF DESCRIPTION The HOA1885 series consists of an infrared emitting diode facing an NPN silicon phototransistor (HOA1885- 011, - 012) or photodarlington (HOA1885- 013) encased in a black thermoplastic housing with IR transmissive inserts which form the optical windows. This arrangement provides excellent protection against ambient light while eliminating aperture openings which could be clogged by airborne contaminants. The high profile package raises the optical centerline to a nominal height of 0.063 in.(16.0 mm) from the mounting plane. This is a significant feature for applications in which surrounding components might interfere with the interrupting element if the optical centerline were lower. Detector switching takes place whenever an opaque object passes through the slot between emitter and detector. The HOA1885 series employs plastic molded components and has a 0.050 in.(1.27 mm) x 0.060 in.(1.52 mm) vertical aperture in front of the detector. For additional component information see SEP8506/8706, SDP8406, and SDP8106. Housing material is polycarbonate. Housings are soluble in chlorinated hydrocarbons and ketones. Recommended cleaning agents are methanol and isopropanol. OUTLINE DIMENSIONS in inches (mm) Tolerance 3 plc decimals 0.010(0.25) 2 plc decimals 0.020(0.51) .719(18.26) .630(16.10) OPTICALC L .250(6.35) .200(5.08) .059(1.50) .020(.51) SQ. LEADS TYP. COLLECTOR EMITTER .600(15.24) .400(10.16) .040(1.01) 2 PLCS .200(5.08) .450(11.43) .120(3.05) MIN. CATHODE ANODE .100(2.54) DIM_055.ds4 330 h Honeywell reserves the right to make changes in order to improve design and supply the best products possible. HOA1885 Transmissive Sensor ELECTRICAL CHARACTERISTICS PARAMETER IR EMITTER SYMBOL MIN TYP MAX UNITS TEST CONDITIONS DETECTOR COUPLED CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS (25C Free-Air Temperature unless otherwise noted) Operating Temperature Range Storage Temperature Range Soldering Temperature (5 sec) IR EMITTER Power Dissipation Reverse Voltage Continuous Forward Current DETECTOR Collector-Emitter Voltage Emitter-Collector Voltage Power Dissipation Notes 1. Derate linearly at 0.78 mW/C above 25C. SCHEMATIC -40C to 85C -40C to 85C 240C 100 mW [A] 3V 50 mA 30 V 5V 100 mW [A] Honeywell reserves the right to make changes in order to improve design and supply the best products possible. h 331 HOA1885 Transmissive Sensor Fig. 1 IRED Forward Bias Characteristics gra_092.ds4 Fig. 2 Non-Saturated Switching Time vs Load Resistance 1000 gra_096.ds4 100 90 80 70 60 50 40 30 20 10 0 0.8 Forward current - mA Response time - s Pulsed condition TA = 80 C TA = 25 C TA = -40 C 1.0 1.2 1.4 1.6 1.8 2.0 100 Photodarlington 10 Phototransistor 1 10 100 1000 10000 Forward voltage - V Fig. 3 Dark Current vs Temperature Fig. 4 gra_301.cdr Load resistance - Ohms Collector Current vs Ambient Temperature 1.2 1.0 0.8 0.6 0.4 0.2 0.0 -50 -25 0 25 50 75 100 gra_095.ds4 Normalized collector current Free-air temperature - C All Performance Curves Show Typical Values 332 h Honeywell reserves the right to make changes in order to improve design and supply the best products possible. HOA1885 Transmissive Sensor Honeywell reserves the right to make changes in order to improve design and supply the best products possible. h 333 |
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