OPB821S5
Product Overview
The OPB821S5 belongs to the category of optical sensors and is commonly used for detecting the presence or absence of an object. Its characteristics include high sensitivity, compact size, and reliable performance. The package consists of the sensor itself along with essential documentation. The essence of the OPB821S5 lies in its ability to accurately detect objects within its range. It is typically available in standard packaging with a specific quantity per package.
Specifications
- Operating Voltage: 4.5V to 5.5V
- Output Type: Phototransistor
- Sensing Distance: Up to 0.2 inches
- Operating Temperature: -40°C to 85°C
- Package Type: Through Hole
- Dimensions: 6.35mm x 7.62mm x 3.3mm
Detailed Pin Configuration
The OPB821S5 features a standard 4-pin configuration: 1. VCC (Power Supply) 2. GND (Ground) 3. Output 4. N/C (Not Connected)
Functional Features
- High Sensitivity: Capable of detecting objects with precision.
- Compact Size: Occupies minimal space in electronic circuits.
- Reliable Performance: Consistent and accurate detection capabilities.
Advantages and Disadvantages
Advantages
- Precise Object Detection
- Compact Design
- Consistent Performance
Disadvantages
- Limited Sensing Distance
- Requires External Signal Processing Circuitry
Working Principles
The OPB821S5 operates on the principle of light reflection. When an object enters its sensing range, the emitted light from the sensor reflects off the object and is detected by the phototransistor, resulting in a change in the output signal.
Detailed Application Field Plans
The OPB821S5 finds extensive use in various applications such as: - Object Detection in Automated Machinery - Paper Jam Detection in Printers - Proximity Sensing in Robotics
Detailed and Complete Alternative Models
Some alternative models to the OPB821S5 include: - TCRT5000: Similar optical sensor with adjustable potentiometer for sensitivity control. - QRE1113: Reflective object sensor with analog output for distance measurement.
In conclusion, the OPB821S5 serves as a reliable optical sensor with precise object detection capabilities, making it suitable for diverse applications in automation and robotics.
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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של OPB821S5 בפתרונות טכניים
What is OPB821S5?
- OPB821S5 is a reflective object sensor that consists of an infrared LED and a phototransistor.
What are the typical applications of OPB821S5?
- OPB821S5 is commonly used in applications such as paper detection in printers, edge sensing in robotics, and object detection in industrial automation.
How does OPB821S5 work?
- The infrared LED emits light, which is then reflected off an object and detected by the phototransistor, allowing the sensor to determine the presence or absence of the object.
What is the operating voltage range of OPB821S5?
- OPB821S5 typically operates within a voltage range of 4.5V to 5.5V.
What is the sensing distance of OPB821S5?
- The sensing distance of OPB821S5 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 OPB821S5 be used in outdoor environments?
- OPB821S5 is primarily designed for indoor use and may not perform optimally in outdoor environments due to ambient light interference.
What are the output characteristics of OPB821S5?
- OPB821S5 provides a digital output, typically in the form of a logic high or low signal based on the presence or absence of the detected object.
Is OPB821S5 sensitive to ambient light?
- OPB821S5 is designed to minimize the impact of ambient light through modulation techniques and optical filtering, but excessive ambient light can still affect its performance.
Can OPB821S5 be used in harsh industrial environments?
- OPB821S5 can be used in industrial environments, but proper protection and shielding may be required to ensure reliable operation in harsh conditions.
Are there any special considerations for mounting OPB821S5?
- Mounting OPB821S5 at the correct angle and distance from the target object is crucial for optimal performance, and care should be taken to minimize any potential obstructions or reflections in the sensor's field of view.