OPB991T51

Product Overview

The OPB991T51 is a reflective object sensor designed for use in various applications. This sensor falls under the category of optoelectronics and is commonly used for detecting the presence or absence of objects, as well as for position sensing. Its characteristics include high sensitivity, compact packaging, and reliable performance. The sensor is typically packaged individually and is available in varying quantities to suit different application needs.

Specifications

Operating Voltage: 5V
Output Type: Phototransistor
Sensing Distance: 3mm to 10mm
Package Type: Through Hole
Operating Temperature: -40°C to 85°C

Detailed Pin Configuration

The OPB991T51 features a standard 4-pin configuration: 1. VCC (Power Supply) 2. GND (Ground) 3. Output 4. N/C (Not Connected)

Functional Features

High sensitivity to detect objects within the specified range
Reliable performance in various environmental conditions
Compact design for easy integration into different systems

Advantages and Disadvantages

Advantages

High sensitivity
Wide operating temperature range
Compact packaging

Disadvantages

Limited sensing distance
Susceptible to ambient light interference

Working Principles

The OPB991T51 operates on the principle of reflective sensing, where it emits infrared light and detects the reflection from an object within its sensing range. When an object is present, the phototransistor output is activated, indicating the detection of the object.

Detailed Application Field Plans

The OPB991T51 is widely used in the following applications: - Object detection in automated assembly lines - Position sensing in robotics and machinery - Proximity sensing in consumer electronics

Detailed and Complete Alternative Models

OPB9000: Offers longer sensing distances
OPB990T11: Provides enhanced ambient light rejection

In conclusion, the OPB991T51 reflective object sensor is a versatile component with high sensitivity and reliable performance, making it suitable for a wide range of applications in the field of optoelectronics.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací OPB991T51 v technických řešeních

What is OPB991T51?
- OPB991T51 is a reflective object sensor that consists of an infrared LED and a phototransistor, designed for use in applications requiring non-contact sensing.
What are the typical applications of OPB991T51?
- OPB991T51 is commonly used in applications such as paper detection in printers, edge detection in robotics, and object detection in industrial automation.
How does OPB991T51 work?
- The infrared LED emits light, which is then reflected off an object and detected by the phototransistor, producing an output signal based on the presence or absence of the object.
What are the key features of OPB991T51?
- Some key features of OPB991T51 include its compact size, high reliability, and ability to operate over a wide temperature range.
What is the operating voltage range of OPB991T51?
- OPB991T51 typically operates within a voltage range of 4.5V to 5.5V.
Can OPB991T51 be used in harsh environments?
- Yes, OPB991T51 is designed to withstand harsh industrial environments and has a rugged construction suitable for such applications.
What is the typical response time of OPB991T51?
- The typical response time of OPB991T51 is in the range of microseconds, making it suitable for high-speed sensing applications.
Does OPB991T51 require any external components for operation?
- OPB991T51 may require external resistors or capacitors for proper operation, depending on the specific application requirements.
Can OPB991T51 be used for both reflective and transmissive sensing?
- OPB991T51 is primarily designed for reflective sensing, but with appropriate design considerations, it can also be used for transmissive sensing applications.
Is OPB991T51 compatible with common microcontrollers and interface circuits?
- Yes, OPB991T51 is compatible with most common microcontrollers and interface circuits, making it easy to integrate into various technical solutions.