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OPB820S5 Encyclopedia Entry
Product Overview
The OPB820S5 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 sensor is typically packaged in a small, durable housing and is available in various packaging quantities to suit different application needs.
Specifications
- Operating Voltage: 3.0V to 5.5V
- Output Type: Phototransistor
- Sensing Distance: Up to 10mm
- Package Type: Through Hole
- Operating Temperature: -40°C to 85°C
Detailed Pin Configuration
The OPB820S5 features a standard 4-pin configuration: 1. VCC (Power Supply) 2. GND (Ground) 3. Output 4. N/C (Not Connected)
Functional Features
The sensor utilizes an infrared LED and phototransistor pair to detect the presence of an object within its sensing range. When the object obstructs the path between the LED and phototransistor, the output of the sensor changes, indicating the presence of the object.
Advantages and Disadvantages
Advantages
- High sensitivity
- Compact size
- Reliable performance
- Wide operating voltage range
Disadvantages
- Limited sensing distance
- Susceptible to ambient light interference
Working Principles
The OPB820S5 operates based on the principle of light reflection. The infrared LED emits light, which is then reflected off the object being detected and received by the phototransistor. The change in received light intensity triggers the sensor's output signal.
Detailed Application Field Plans
The OPB820S5 is widely used in various applications such as: - Object detection in automated machinery - Paper feed detection in printers - End-of-travel limit switches in robotics - Slot sensors in industrial automation
Detailed and Complete Alternative Models
Some alternative models to the OPB820S5 include: - TCST2103 Optical Sensor - EE-SX670 Photoelectric Sensor - CNY70 Reflective Optical Sensor
In conclusion, the OPB820S5 optical sensor offers high sensitivity and reliable performance, making it suitable for diverse object detection applications. While it has limitations in sensing distance and susceptibility to ambient light interference, it remains a popular choice in the field of automation and robotics.
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What is OPB820S5?
- OPB820S5 is a reflective object sensor that consists of an infrared LED and a phototransistor, designed for detecting the presence or absence of an object.
What is the operating voltage range of OPB820S5?
- The operating voltage range of OPB820S5 is typically 4.5V to 5.5V.
What is the typical sensing distance of OPB820S5?
- The typical sensing distance of OPB820S5 is around 0.2 inches (5.08mm).
How does OPB820S5 work?
- OPB820S5 works by emitting infrared light from the LED, which is then reflected off an object and detected by the phototransistor, causing a change in its output state.
What are some common applications of OPB820S5?
- OPB820S5 is commonly used in applications such as object detection, position sensing, and assembly line automation.
What is the output type of OPB820S5?
- OPB820S5 has a digital output, providing a logic high or low signal based on the presence or absence of the detected object.
What is the operating temperature range of OPB820S5?
- The operating temperature range of OPB820S5 is typically -40°C to 85°C.
Can OPB820S5 be used in outdoor environments?
- OPB820S5 is not recommended for outdoor use as it is designed for indoor applications and may be affected by environmental factors such as sunlight and moisture.
What is the response time of OPB820S5?
- The response time of OPB820S5 is typically in the range of microseconds, allowing for fast and accurate object detection.
Is OPB820S5 sensitive to ambient light?
- OPB820S5 is designed to minimize the effects of ambient light interference, but it is still recommended to shield the sensor from direct light sources for optimal performance.