OPB942W55 Encyclopedia Entry

Product Overview

The OPB942W55 is a photo interrupter sensor designed for use in various electronic and mechanical applications. This device belongs to the category of optical sensors and is commonly used for detecting the presence or absence of an object, as well as for position sensing and counting applications. The sensor is characterized by its compact size, high sensitivity, and reliable performance. It is typically packaged in a small, durable housing and is available in various packaging/quantity options to suit different application requirements.

Specifications

Operating Wavelength: 950nm
Aperture Width: 0.8mm
Gap Width: 3.18mm
Output Configuration: Phototransistor
Maximum Collector Current: 20mA
Operating Temperature Range: -40°C to 85°C
Supply Voltage: 5V
Package Type: Through Hole
Quantity Options: Available in reels of 1000 units

Detailed Pin Configuration

The OPB942W55 features a standard 4-pin configuration: 1. VCC (Supply Voltage) 2. GND (Ground) 3. Signal Output 4. N/C (Not Connected)

Functional Features

High sensitivity to detect objects within the specified gap width
Fast response time for real-time object detection
Reliable operation across a wide temperature range
Low power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages

Compact size allows for easy integration into various devices
Versatile applications in both electronic and mechanical systems
High sensitivity enables accurate object detection
Durable packaging ensures long-term reliability

Disadvantages

Limited operating temperature range compared to some alternative models
May require additional circuitry for specific application requirements

Working Principles

The OPB942W55 operates based on the interruption of the infrared light beam between the emitter and detector components. When an object passes through the gap, it obstructs the light, causing the phototransistor to switch states and produce an output signal. This principle enables the sensor to detect the presence or absence of objects with high precision.

Detailed Application Field Plans

The OPB942W55 is widely used in various applications, including: - Object detection in automated assembly lines - Position sensing in robotics and industrial machinery - Paper detection in printers and copiers - Rotary encoder systems for motion control - Counting and sorting applications in vending machines and gaming devices

Detailed and Complete Alternative Models

For users seeking alternative models with similar functionality, the following options are available: - OPB9000 Series Photo Interrupters - TCST Series Transmissive Optical Sensors - EE-SX Series Photomicrosensors

In conclusion, the OPB942W55 photo interrupter sensor offers reliable object detection capabilities in a compact and versatile package, making it suitable for a wide range of electronic and mechanical applications.

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