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| HOA1874 Transmissive Sensor FEATURES * Choice of phototransistor or photodarlington output * Three sensitivity ranges * Choice of metal can package or plastic molded components * 0.120 in.(3.05 mm) slot width INFRA-15.TIF DESCRIPTION The HOA1874 series consists of an infrared emitting diode facing an NPN silicon phototransistor (HOA1874- 001, - 002, - 011, - 012) or photodarlington (HOA1874- 003, - 013) encased in a black thermoplastic housing. Detector switching takes place whenever an opaque object passes through the slot between emitter and detector. The HOA1874- 001, - 002, and - 003 have a 0.050 in.(1.27 mm) dia. detector aperture and employ metal can packaged components, while the HOA1874- 011,- 012, and - 013 have a 0.060 in.(1.52 mm) dia. detector aperture and contain plastic molded components. For additional component information see SE1450, SD1440, SD1410, SEP8506, SDP8406, and SDP8106. HOA1874-001, 002, 003 housing material is acetal copolymer. HOA1874-011, 012, 013 housing material is polyester. 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) DIM_046.cdr 294 h Honeywell reserves the right to make changes in order to improve design and supply the best products possible. HOA1874 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) ABSOLUTE MAXIMUM RATINGS (continued) Continuous Forward Current DETECTOR Collector-Emitter Voltage Emitter-Collector Voltage Power Dissipation: HOA1874-001, -002, -003 HOA1874-011, -012, -013 Collector DC Current 50 mA TRANS. 30 V 5V Operating Temperature Range HOA1874-001, -002, -003 HOA1874-011, -012, -013 Storage Temperature Range HOA1874-001, -002, -003 HOA1874-011, -012, -013 Soldering Temperature HOA1874-001, -002, -003 HOA1874-011, -012, -013 IR EMITTER Power Dissipation: HOA1874-001, -002, -003 HOA1874-011, -012, -013 Reverse Voltage -55C to 100C -40C to 85C -55C to 125C -40C to 85C 260C (10 sec) 240C (5 sec) DARLINGTON 15 V 5V 75 mW [A] 75 mW [A] 100 mW [A] 100 mW [A] 30 mA 30 mA 75 mW 100 mW 3V Notes 1. Derate linearly at 0.71 mW/C above 25C. 2. Derate linearly at 0.78 mW/C above 25C. Honeywell reserves the right to make changes in order to improve design and supply the best products possible. h 295 HOA1874 Transmissive Sensor SCHEMATIC sch_027.cdr Fig. 1 IRED Forward Bias Characteristics gra_092.ds4 100 90 80 70 60 50 40 30 20 10 0 0.8 Forward current - mA Pulsed condition TA = 80 C TA = 25 C TA = -40 C 1.0 1.2 1.4 1.6 1.8 2.0 Forward voltage - V Fig. 2 Non-Saturated Switching Time vs Load Resistance Fig. 3 gra_096.ds4 Dark Current vs Temperature gra_303.cdr 1000 Response time - s 100 Photodarlington 10 Phototransistor 1 10 100 1000 10000 Load resistance - Ohms Fig. 4 Normalized collector current 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 gra_095.ds4 100 Free-air temperature - C All Performance Curves Show Typical Values 296 h Honeywell reserves the right to make changes in order to improve design and supply the best products possible. HOA1874 Transmissive Sensor Honeywell reserves the right to make changes in order to improve design and supply the best products possible. h 297 |
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