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| HOA1870 Transmissive Sensor FEATURES * Choice of phototransistor or photodarlington output * Accurate position sensing * 0.070 in.(1.78 mm) slot width * 18.0 in.(457 mm) min. 22 AWG UL 1007 wire leads INFRA--7.TIF DESCRIPTION The HOA1870 series consists of an infrared emitting diode facing an NPN silicon phototransistor (HOA1870- 031) or photodarlington (HOA1870- 033) encased in a black thermoplastic housing. Detector switching takes place whenever an opaque object passes through the slot between emitter and detector. A minimum of 18.0 in.(457 mm) lead wires provides alternate electrical connection when PC board mounting is not possible. This device is ideal for use in applications in which maximum position resolution is desired. Both emitter and detector have a 0.006 in.(0.152 mm) x 0.040 in.(1.02 mm) vertical aperture. The HOA1870 series employs plastic molded components. For additional component information see SEP8506, SDP8406 and SDP8106. Housing material is polycarbonate. Housings are soluble in chlorinated hydrocarbons and ketones. Recommended cleaning agents are methanol and isopropanol. Wire color code and functions are: Orange - IRED Anode White - Detector Collector Green - IRED Cathode Blue - Detector Emitter OUTLINE DIMENSIONS in inches (mm) Tolerance 3 plc decimals 0.010(0.25) 2 plc decimals 0.020(0.51) .285(7.24) .265(6.73) .155(3.94) .145(3.68) OPTICALC L .395(10.03) .375(9.63) 45 (2 PLCS) .052(1.32) (2 PLCS) .125(3.17) .062(1.58)R (2 PLCS) .140(3.56) .130(3.30) WHT .530(13.46) .510(12.95) GRN .600(5.24) .070(1.78) .110(2.79) .090(2.29) .355(9.02) BLU .500(12.70 ORN 18" 26 AWG PVC MIN. A = ORANGE K = GREEN E = BLUE C = WHITE DIM_043.ds4 282 h Honeywell reserves the right to make changes in order to improve design and supply the best products possible. HOA1870 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 Collector DC Current -40C to 85C -40C to 85C 240C 100 mW [A] 3V 50 mA TRANS. 30 V 5V 100 mW [A] 30 mA SCHEMATIC DARLINGTON 15 V 5V 100 mW [A] 30 mA Honeywell reserves the right to make changes in order to improve design and supply the best products possible. h 283 HOA1870 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 284 h Honeywell reserves the right to make changes in order to improve design and supply the best products possible. HOA1870 Transmissive Sensor Honeywell reserves the right to make changes in order to improve design and supply the best products possible. h 285 |
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