OPB875N55

Product Overview

• Category: Optoelectronics
• Use: Optical sensor for object detection and position sensing
• Characteristics: High sensitivity, compact size, reliable performance
• Package: Through-hole, surface mount
• Essence: Utilizes an infrared LED and phototransistor to detect the presence or absence of an object
• Packaging/Quantity: Available in reels or tubes, quantity varies by manufacturer

Specifications

• Operating Voltage: 4.5V to 5.5V
• Output Type: Phototransistor
• Sensing Distance: Up to 3mm
• Operating Temperature Range: -40°C to 85°C
• Wavelength: 940nm

Detailed Pin Configuration

• Pin 1: Anode of Infrared LED
• Pin 2: Cathode of Infrared LED
• Pin 3: Collector of Phototransistor
• Pin 4: Emitter of Phototransistor

Functional Features

• Reliable object detection
• Compact design for space-constrained applications
• Suitable for harsh environments due to wide operating temperature range

Advantages

• High sensitivity for accurate object detection
• Versatile packaging options for different assembly processes
• Wide operating temperature range allows for use in various environmental conditions

Disadvantages

• Limited sensing distance compared to some alternatives
• Requires careful calibration for precise positioning applications

Working Principles

The OPB875N55 operates on the principle of reflective object sensing. The infrared LED emits light, which is then reflected off an object and detected by the phototransistor. When an object is present, the phototransistor conducts, producing an output signal.

Detailed Application Field Plans

The OPB875N55 is commonly used in: - Printers and copiers for paper jam detection - Industrial automation for object counting and positioning - Robotics for obstacle detection and line following

Detailed and Complete Alternative Models

• OPB9000: Longer sensing distance but larger package
• TCST2103: Smaller package but lower operating temperature range

Note: The alternative models listed above are indicative and may vary based on specific requirements and availability from manufacturers.

This comprehensive entry provides a detailed overview of the OPB875N55, covering its specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.