OPB840L51

Product Overview

The OPB840L51 is a photo interrupter sensor designed for use in various electronic and mechanical applications. This optoelectronic device belongs to the category of sensors and is commonly used for detecting the presence or absence of an object. Its characteristics include high sensitivity, compact packaging, and reliable performance. The sensor is typically packaged individually and is available in varying quantities to suit different application needs.

Specifications

• Operating Voltage: 5V
• Output Type: Phototransistor
• Sensing Distance: 4mm
• Package Type: Through Hole
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The OPB840L51 features a standard 4-pin configuration: 1. VCC (Power Supply) 2. GND (Ground) 3. Signal Output 4. N/C (Not Connected)

Functional Features

• High sensitivity to detect objects within the sensing distance
• Fast response time for real-time object detection
• Reliable performance in various environmental conditions
• Compact design for easy integration into different systems

Advantages and Disadvantages

Advantages

• High sensitivity
• Fast response time
• Reliable performance
• Compact design

Disadvantages

• Limited sensing distance
• Vulnerable to ambient light interference

Working Principles

The OPB840L51 operates based on the interruption of the infrared light beam between the emitter and detector components. When an object enters the sensing area, it obstructs the light beam, causing the phototransistor to switch its output state, indicating the presence of the object.

Detailed Application Field Plans

The OPB840L51 finds extensive use in various applications, including: - Object detection in industrial automation systems - Paper detection in printers and copiers - Position sensing in robotics and machinery - Proximity sensing in consumer electronics

Detailed and Complete Alternative Models

For applications requiring similar functionality, alternative models to consider include: - OPB9000: Offers longer sensing distance and improved ambient light rejection - TCST2103: Provides a compact surface-mount package with similar sensing capabilities - EE-SX670: Features a slotted optical switch design for precise object detection

In conclusion, the OPB840L51 is a versatile photo interrupter sensor with high sensitivity and reliable performance, making it suitable for a wide range of electronic and mechanical applications.

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