OPB991N51Z

Product Overview

Use

It is used for detecting the presence or absence of an object by utilizing an infrared light source and a photodetector.

Characteristics

Utilizes infrared light for detection
Compact size
High sensitivity
Reliable performance

Package

The OPB991N51Z is typically available in a compact, surface-mount package.

Essence

The essence of the OPB991N51Z lies in its ability to accurately detect the presence of objects in various applications.

Packaging/Quantity

The sensor is usually packaged in reels and is available in varying quantities based on customer requirements.

Specifications

Operating Wavelength: 950 nm
Sensing Distance: Up to 3.0 mm
Supply Voltage: 4.5 V to 5.5 V
Output Type: Phototransistor
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The OPB991N51Z features a standard 4-pin configuration: 1. Anode 2. Cathode 3. Collector 4. Emitter

Functional Features

High-speed response
Low power consumption
Ambient light immunity
Digital output for easy interfacing

Advantages

Accurate object detection
Compact design
Wide operating temperature range
Low power consumption

Disadvantages

Limited sensing distance
Susceptible to ambient light interference

Working Principles

The OPB991N51Z operates on the principle of reflective object sensing. When an object is within the sensing distance, the infrared light emitted by the sensor reflects off the object and is detected by the photodetector, causing the output to switch states.

Detailed Application Field Plans

The OPB991N51Z finds applications in various fields, including: - Robotics for object detection - Industrial automation for part presence verification - Consumer electronics for proximity sensing

Detailed and Complete Alternative Models

Some alternative models to the OPB991N51Z include: - TCRT5000 – A similar reflective optical sensor with a longer sensing distance - QRE1113 – Reflective object sensor with analog output for distance measurement

In conclusion, the OPB991N51Z is a compact and reliable optical sensor that offers accurate object detection in various applications, despite its limitations in sensing distance and susceptibility to ambient light interference.

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技術ソリューションにおける OPB991N51Z 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。

What is OPB991N51Z?
- OPB991N51Z is a reflective object sensor that consists of an infrared LED and a phototransistor.
What are the typical applications of OPB991N51Z?
- It is commonly used in applications such as industrial automation, robotics, assembly line monitoring, and position sensing.
How does OPB991N51Z 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.
What is the operating voltage range for OPB991N51Z?
- The operating voltage range is typically between 4.5V and 5.5V.
What is the sensing distance of OPB991N51Z?
- The sensing distance 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.
Can OPB991N51Z be used in harsh industrial environments?
- Yes, OPB991N51Z is designed to withstand harsh industrial environments and has built-in protection against ambient light interference.
What is the output type of OPB991N51Z?
- It provides a digital output, typically in the form of an open-collector output.
Is OPB991N51Z sensitive to ambient light?
- It has built-in ambient light rejection capabilities to minimize the impact of ambient light on its operation.
Can OPB991N51Z be used for speed sensing in motor control applications?
- Yes, it can be used for speed sensing by detecting the presence or absence of rotating components.
Are there any special considerations for mounting OPB991N51Z?
- It is important to ensure proper alignment and mounting to achieve reliable performance, and it may require additional shielding in certain applications to minimize interference.