OPB871N55

Product Overview

Category: Optoelectronics
Use: Optical Sensor
Characteristics: High sensitivity, compact size, reliable performance
Package: Through-hole
Essence: OPB871N55 is an optical sensor designed for precise detection applications.
Packaging/Quantity: Available in reels of 1000 units.

Specifications

Operating Voltage: 5V
Output Type: Phototransistor
Sensing Distance: 3mm
Wavelength of Light: 940nm
Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

Pin 1: Anode
Pin 2: Cathode
Pin 3: Collector
Pin 4: Emitter

Functional Features

High sensitivity to detect objects within a short range
Fast response time for real-time detection applications
Compact design for easy integration into various systems

Advantages and Disadvantages

Advantages

Reliable performance in various environmental conditions
Compact size allows for versatile installation
High sensitivity enables precise object detection

Disadvantages

Limited sensing distance compared to some other sensors
Vulnerable to ambient light interference in certain applications

Working Principles

OPB871N55 operates based on the principle of detecting the interruption of light between the emitter and collector. When an object comes within the sensing distance, it obstructs the light, causing the phototransistor to switch its state, indicating the presence of the object.

Detailed Application Field Plans

Industrial Automation: Used for precise object detection in manufacturing processes.
Robotics: Integrated into robotic systems for object recognition and positioning.
Security Systems: Employed in security devices for detecting the presence of objects or individuals.

Detailed and Complete Alternative Models

OPB9000: Offers longer sensing distance and immunity to ambient light.
OPB700: Provides a wider operating temperature range and enhanced durability.

This comprehensive entry provides detailed information about the OPB871N55 optical sensor, including its specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням OPB871N55 у технічних рішеннях

What is OPB871N55?
- OPB871N55 is a reflective object sensor with an integrated infrared emitter and phototransistor.
What are the typical applications of OPB871N55?
- OPB871N55 is commonly used in applications such as industrial automation, robotics, assembly line equipment, and position sensing.
What is the operating voltage range for OPB871N55?
- The operating voltage range for OPB871N55 is typically between 4.5V and 5.5V.
How does OPB871N55 detect objects?
- OPB871N55 detects objects by emitting infrared light and measuring the amount of light reflected back to the phototransistor.
What is the sensing distance of OPB871N55?
- The sensing distance of OPB871N55 is typically up to a few millimeters, depending on the reflectivity of the object.
Can OPB871N55 be used in harsh environments?
- Yes, OPB871N55 is designed to withstand harsh industrial environments and has a rugged construction.
What is the output type of OPB871N55?
- OPB871N55 provides a digital output, making it easy to interface with microcontrollers and other digital circuits.
Does OPB871N55 require any external components for operation?
- No, OPB871N55 does not require any external components for basic operation.
Is OPB871N55 sensitive to ambient light?
- OPB871N55 is designed to minimize the effects of ambient light interference, providing reliable operation in varying lighting conditions.
Can OPB871N55 be used for speed sensing applications?
- Yes, OPB871N55 can be used for speed sensing by detecting the presence or absence of objects passing by at high speeds.