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The HOA1877 series consists of an infrared emitting diode facing an NPN silicon phototransistor (HOA1877-001, -002) or photodarlington (HOA1877-003) encased in a black thermoplastic housing. Detector switching takes place whenever an opaque object passes through the slot between emitter and detector. The HOA1877 series has a 0.050 in (1.27 mm) dia. detector aperture and employs metal can packaged components. For additional component information see SE1450, SD1440, and SD1410.

Housing material is polycarbonate. Housings are soluble in chlorinated hydrocarbons and ketones. Recommended cleaning agents are methanol and isopropanol.

HOA1877 Transmissive Sensors - Honeywell

Browse HOA1877 Products

Product Output Sensor Aperture Slot Width On-State Collector Current
HOA1877-001 Transistor 12,70 mm [0.500 in] dia. 9,53 mm [0.375 in] 0.1 mA
HOA1877-002 Transistor 12,70 mm [0.500 in] dia. 9,53 mm [0.375 in] 0.50 mA
HOA1877-003 Darlington 12,70 mm [0.500 in] dia. 9,53 mm [0.375 in] 1.50 mA


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