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OPB695A
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OPB695A Encyclopedia Entry

Product Overview

The OPB695A is a photo interrupter sensor that belongs to the category of optoelectronic devices. It is commonly used for detecting the presence or absence of an object, and it is characterized by its compact size, high sensitivity, and reliable performance. The sensor is typically packaged in a small plastic housing and is available in various packaging quantities to suit different application requirements.

Specifications

  • Operating Wavelength: 950 nm
  • Aperture Width: 0.030" (0.76 mm)
  • Aperture Height: 0.100" (2.54 mm)
  • Supply Voltage: 4.5 V to 5.5 V
  • Output Type: Phototransistor
  • Operating Temperature Range: -40°C to 85°C
  • Package Type: Through Hole
  • Package Quantity: 50 units per tube

Detailed Pin Configuration

The OPB695A sensor has a standard 4-pin configuration: 1. Anode (+) 2. Cathode (-) 3. Collector (C) 4. Emitter (E)

Functional Features

  • High sensitivity to detect objects within the sensing range
  • Fast response time for real-time object detection
  • Reliable performance in various environmental conditions
  • Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages

  • Compact size for easy integration into different applications
  • Versatile usage in industrial automation, robotics, and consumer electronics
  • Reliable and consistent performance
  • Wide operating temperature range for diverse environmental conditions

Disadvantages

  • Limited sensing range compared to some other sensors
  • Susceptible to ambient light interference in certain applications

Working Principles

The OPB695A operates based on the interruption of the infrared light beam between the emitter and the phototransistor receiver. When an object passes through the sensing area, it obstructs the light beam, causing the phototransistor to switch from its non-conductive state to a conductive state, thereby indicating the presence of the object.

Detailed Application Field Plans

The OPB695A sensor finds extensive use in various applications, including: - Object detection in automated assembly lines - Paper detection in printers and copiers - Position sensing in motor control systems - Slot detection in vending machines and gaming equipment - Edge sensing in robotic navigation systems

Detailed and Complete Alternative Models

Some alternative models to the OPB695A sensor include: - OPB625 - OPB815WZ - OPB9000

In conclusion, the OPB695A photo interrupter sensor offers a reliable and compact solution for object detection and position sensing in a wide range of industrial and consumer electronic applications. With its high sensitivity, fast response time, and versatile usage, it provides an effective means of enhancing automation and control systems.

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技術ソリューションにおける OPB695A の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is OPB695A?

    • OPB695A is a reflective object sensor that consists of an infrared LED and a phototransistor.

  2. How does OPB695A work?

    • The infrared LED emits light, which is then reflected off an object and detected by the phototransistor, allowing it to sense the presence or absence of the object.

  3. What are the typical applications of OPB695A?

    • OPB695A is commonly used in applications such as industrial automation, robotics, assembly line monitoring, and object detection.

  4. What is the operating voltage range for OPB695A?

    • The operating voltage range for OPB695A is typically between 4.5V and 5.5V.

  5. What is the sensing distance of OPB695A?

    • The sensing distance of OPB695A can vary based on the specific application and environmental conditions, but it is generally in the range of a few millimeters to a few centimeters.

  6. Can OPB695A be used in outdoor environments?

    • OPB695A is primarily designed for indoor use and may not perform reliably in outdoor environments due to ambient light interference and other factors.

  7. What are the output characteristics of OPB695A?

    • OPB695A provides a digital output signal, typically in the form of an open-collector output or a logic-level output, depending on the specific model.

  8. Is OPB695A sensitive to ambient light?

    • OPB695A is designed to minimize the effects of ambient light through modulation techniques and optical filtering, but excessive ambient light can still affect its performance.

  9. Can OPB695A detect transparent or reflective objects?

    • OPB695A may have difficulty reliably detecting transparent or highly reflective objects, as the infrared light may pass through or be reflected away from the phototransistor.

  10. What are some best practices for integrating OPB695A into a technical solution?

    • Best practices include careful calibration, shielding from ambient light, and considering the surface properties of the objects being detected to ensure reliable operation.