OPB842L51

Product Overview

The OPB842L51 is a photo interrupter sensor designed for precise detection and counting applications. This optoelectronic device falls under the category of sensors and is commonly used in various industrial and consumer electronic products. Its characteristics include high sensitivity, compact size, and reliable performance. The sensor is typically packaged in a durable housing and is available in different packaging quantities to suit diverse application requirements.

Specifications

• Operating Wavelength: 950 nm
• Aperture Width: 0.8 mm
• Supply Voltage: 5 V
• Output Type: Transistor
• Maximum Collector Current: 20 mA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The OPB842L51 features a standard 4-pin configuration: 1. VCC (Supply Voltage) 2. GND (Ground) 3. Output 4. N/C (Not Connected)

Functional Features

• Precise Object Detection: The sensor provides accurate object detection capabilities, making it suitable for applications requiring high precision.
• Fast Response Time: With its rapid response time, the OPB842L51 ensures efficient and timely detection of objects passing through its aperture.
• Compact Design: The sensor's compact form factor allows for easy integration into various devices and equipment.

Advantages and Disadvantages

Advantages

• High Sensitivity: The sensor offers high sensitivity, enabling it to detect even small objects effectively.
• Reliable Performance: It delivers consistent and reliable performance across different operating conditions.
• Compact Size: Its small footprint makes it suitable for space-constrained applications.

Disadvantages

• Limited Aperture Width: The narrow aperture width may restrict its use in applications involving larger objects or varying sizes.

Working Principles

The OPB842L51 operates based on the interruption of an infrared light beam between the emitter and detector components. When an object passes through the sensor's aperture, it obstructs the light beam, causing a change in the output signal. This change is then processed to detect the presence or absence of the object.

Detailed Application Field Plans

The OPB842L51 finds extensive use in various applications, including: - Automated Counting Systems: It is employed in automated counting systems for accurately tallying items on production lines. - Printers and Copiers: The sensor assists in paper detection and alignment within printers and copiers. - Industrial Automation: It plays a crucial role in industrial automation processes, such as conveyor belt monitoring and object detection.

Detailed and Complete Alternative Models

• OPB842W51: A variant with wider aperture width for applications requiring broader object detection capabilities.
• OPB842T51: This model features a higher maximum collector current, suitable for applications demanding increased load handling capacity.

In conclusion, the OPB842L51 photo interrupter sensor offers reliable and precise object detection capabilities, making it a valuable component in various industrial and consumer electronic devices.

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