TT Electronics/Optek Technology
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OPB704G
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OPB704G

Product Overview

Category: Optoelectronics
Use: Sensing and Detection
Characteristics: High sensitivity, compact design
Package: Through-hole
Essence: Photointerrupter
Packaging/Quantity: Bulk packaging, 100 pieces per pack

Specifications

  • Emitter: Infrared LED
  • Detector: NPN Phototransistor
  • Operating Wavelength: 950 nm
  • Aperture Width: 0.95 mm
  • Distance Gap: 3.18 mm
  • Output Configuration: Phototransistor (NPN)
  • Maximum Collector Current: 50 mA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. Anode (+) of Infrared LED
  2. Cathode (-) of Infrared LED
  3. Collector of NPN Phototransistor
  4. Emitter of NPN Phototransistor
  5. No Connection
  6. Base of NPN Phototransistor

Functional Features

  • Compact size for space-constrained applications
  • High sensitivity for accurate detection
  • Reliable performance in various environmental conditions
  • Easy integration into different circuit designs

Advantages and Disadvantages

Advantages: - High sensitivity allows for precise detection - Compact design enables versatile integration - Reliable performance in challenging environments

Disadvantages: - Limited operating temperature range compared to some alternatives - May require additional shielding in high ambient light conditions

Working Principles

The OPB704G operates on the principle of interruption of the infrared light beam emitted by the LED and detected by the phototransistor. When an object passes through the gap between the emitter and detector, it interrupts the light beam, causing a change in the phototransistor's conductivity. This change is then utilized for sensing and detection applications.

Detailed Application Field Plans

The OPB704G is suitable for a wide range of applications, including: - Object detection in industrial automation - Paper feed control in printers and copiers - Position sensing in office equipment - Slot sensor for vending machines - Encoder for motor speed and position control

Detailed and Complete Alternative Models

  • OPB704: Similar specifications with a different package type
  • OPB705: Higher distance gap and wider aperture width for specific applications
  • OPB706: Enhanced temperature range and ruggedized design for harsh environments

In conclusion, the OPB704G offers a compact and reliable solution for sensing and detection applications, with its high sensitivity and versatile integration capabilities making it suitable for various industries and scenarios.

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기술 솔루션에 OPB704G 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is OPB704G?

    • OPB704G is a reflective object sensor that consists of an infrared LED and a phototransistor.

  2. What are the typical applications of OPB704G?

    • OPB704G is commonly used in applications such as object detection, position sensing, and assembly line automation.

  3. What is the operating voltage range for OPB704G?

    • The operating voltage range for OPB704G is typically between 4.5V to 5.5V.

  4. How does OPB704G detect objects?

    • OPB704G detects objects by emitting infrared light from the LED and then measuring the amount of light reflected back to the phototransistor.

  5. What is the sensing distance of OPB704G?

    • The sensing distance of OPB704G can vary based on the specific application and environmental conditions, but it is typically in the range of a few millimeters to a few centimeters.

  6. Can OPB704G be used in outdoor environments?

    • OPB704G is primarily designed for indoor use and may not perform optimally in outdoor environments due to ambient light interference.

  7. What are the output characteristics of OPB704G?

    • OPB704G provides a digital output signal, typically high when an object is detected and low when no object is present.

  8. Is OPB704G sensitive to ambient light?

    • OPB704G is designed to minimize the impact of ambient light through modulation techniques and optical filtering.

  9. Can OPB704G be used in harsh industrial environments?

    • OPB704G can be used in some industrial environments, but additional protection or shielding may be necessary to ensure reliable performance in harsh conditions.

  10. Are there any recommended mounting considerations for OPB704G?

    • It is recommended to mount OPB704G securely and ensure proper alignment between the LED and phototransistor for accurate object detection.