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The HOA1873 series consists of an infrared emitting diode facing an NPN silicon phototransistor (HOA1873-001, -002, -011, -012) or photodarlington (HOA1873-003, -013) encased in a black thermoplastic housing. Detector switching takes place whenever an opaque object passes through the slot between emitter and detector. The HOA1873-001, -002 and -003 have a 0.050 in (1.27 mm) dia. detector aperture and employ metal can packaged components, while the HOA1873-011, -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.

HOA1873-001, 002, 003 housing material is acetal copolymer. HOA1873-011, 012, 013 housing material is polyester. Housings are soluble in chlorinated hydrocarbons and ketones. Recommended cleaning agents are methanol and isopropanol.

HOA1873 Series Transmissive Sensors - Honeywell

Browse HOA1873 Products

Product Output Sensor Aperture Slot Width On-State Collector Current
HOA1873-011 Transistor 1,52 mm [0.060 in] dia. 2,54 mm [0.100 in] 0.30 mA
HOA1873-012 Transistor 1,52 mm [0.060 in] dia. 2,54 mm [0.100 in] 1.80 mA
HOA1873-013 Darlington 1,52 mm [0.060 in] dia. 2,54 mm [0.100 in] 4.00 mA


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