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HOA1870-031

Product Description:
The Honeywell HOA1870-031 is a compact reflective optical sensor designed for object detection, position sensing, and motion control in industrial and consumer applications.

Key Features:
✔ High-speed response (15 μs) for precise detection
✔ Compact, slot-mounted design for easy integration
✔ Wide operating voltage range (5–30 VDC)
✔ Reliable performance in harsh environments (–40°C to +85°C)
✔ Infrared LED emitter + matched phototransistor for noise immunity

Typical Applications:

Printers & copiers (paper jam detection)

Industrial automation (object counting, position sensing)

Vending machines (product presence detection)

Robotics (limit switching)

Consumer electronics (door/window sensors)

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Honeywell HOA1870-031 Reflective Optical Sensor – Product Specifications & Description
Key Parameters:
Model: HOA1870-031

Series: HOA Series (Reflective Optical Switches)

Sensor Type: Reflective Object Sensor

Detection Method: Infrared (IR) LED + Phototransistor

Sensing Distance: 0.125" (3.18 mm) nominal gap

Output Type: Digital (Phototransistor output, NPN)

Response Time: 15 μs (typical)

Operating Voltage: 5–30 VDC

Current Consumption: 50 mA max (LED), 20 mA (Phototransistor)

Housing Material: Thermoplastic (UL 94V-0 rated)

Operating Temperature: –40°C to +85°C (–40°F to +185°F)

Lead Wire: 4-pin, 6" (152 mm) length

Certifications: RoHS compliant