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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.


HOA1874 Series Transmissive Infrared Sensors Catalog Information Catalog Information English 395KB
Infrared Sensors Line Guide Product Line Guide English 1MB

Browse HOA1874 Products

Product Output Sensor Aperture Slot Width On-State Collector Current
HOA1874-012 Transistor 1,52 mm [0.060 in] dia. 3,05 mm [0.120 in] 1.80 mA
HOA1874-013 Darlington 1,52 mm [0.060 in] dia. 3,05 mm [0.120 in] 4.00 mA