OPB992N55 Encyclopedia Entry

Product Overview

The OPB992N55 is a photo interrupter sensor belonging to the category of optoelectronic devices. It is commonly used for detecting the presence or absence of an object, and it possesses characteristics such as high sensitivity, compact size, and reliable performance. The sensor is typically packaged in a small housing with an infrared LED and phototransistor pair, and it 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 Type: Transistor
• Maximum Collector Current: 20mA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The OPB992N55 features a standard 4-pin configuration: 1. Anode (+) of Infrared LED 2. Cathode (-) of Infrared LED 3. Collector of Phototransistor 4. Emitter of Phototransistor

Functional Features

• High sensitivity to detect objects within the specified gap width
• Fast response time for real-time object detection
• Reliable performance in various environmental conditions

Advantages and Disadvantages

Advantages

• Compact size for easy integration into different systems
• Versatile applications due to its high sensitivity
• Reliable performance in harsh environments

Disadvantages

• Limited operating temperature range compared to some alternatives
• Sensitive to ambient light, requiring proper shielding in bright environments

Working Principles

The OPB992N55 operates based on the interruption of the infrared beam between the LED and phototransistor. When an object enters the gap, it obstructs the infrared beam, causing the phototransistor to switch states and produce an output signal.

Detailed Application Field Plans

The OPB992N55 is widely used in various applications, including: - Object detection in industrial automation systems - Position sensing in robotics and machinery - Paper detection in printers and copiers - Slot detection in vending machines and gaming equipment

Detailed and Complete Alternative Models

Some alternative models to the OPB992N55 include: - H21A1 - TCST2103 - EE-SX671

In conclusion, the OPB992N55 photo interrupter sensor offers high sensitivity and reliable performance, making it suitable for diverse object detection and position sensing applications across different industries.

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