OPB991N51
Product Overview
- Category: Optoelectronic Sensor
- Use: Detection of objects or motion
- Characteristics: High sensitivity, compact size, reliable performance
- Package: Through-hole package
- Essence: Infrared reflective object sensor
- Packaging/Quantity: Available in packs of 10 units
Specifications
- Operating Voltage: 4.5V to 5.5V
- Output Type: Phototransistor
- Sensing Distance: Up to 3mm
- Operating Temperature: -40°C to 85°C
- Dimensions: 5.2mm x 7.6mm x 6.35mm
Detailed Pin Configuration
- VCC
- GND
- Output
Functional Features
- Reliable object detection
- Fast response time
- Low power consumption
Advantages and Disadvantages
Advantages
- Compact size
- High sensitivity
- Wide operating temperature range
Disadvantages
- Limited sensing distance
- Susceptible to ambient light interference
Working Principles
The OPB991N51 operates by emitting infrared light and detecting its reflection off nearby objects using a phototransistor. When an object is within the sensing distance, the reflected light triggers the output signal.
Detailed Application Field Plans
The OPB991N51 is suitable for various applications including: - Object detection in automated machinery - Motion sensing in robotics - Proximity sensing in consumer electronics
Detailed and Complete Alternative Models
- OPB9000: Longer sensing distance
- OPB990T11: Enhanced ambient light rejection
In conclusion, the OPB991N51 is a versatile optoelectronic sensor with high sensitivity and reliable performance, making it suitable for diverse object detection and motion sensing applications.
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技術ソリューションにおける OPB991N51 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 OPB991N51?
- OPB991N51 is a reflective object sensor that consists of an infrared LED and a phototransistor.
How does OPB991N51 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 are the typical applications of OPB991N51?
- OPB991N51 is commonly used in industrial automation, robotics, assembly line monitoring, and object detection systems.
What is the operating voltage range for OPB991N51?
- The operating voltage range for OPB991N51 is typically between 4.5V and 5.5V.
What is the sensing distance of OPB991N51?
- The sensing distance of OPB991N51 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 OPB991N51 be used in outdoor environments?
- OPB991N51 is designed for indoor use and may not perform reliably in outdoor environments due to ambient light interference.
What is the output type of OPB991N51?
- OPB991N51 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 OPB991N51 sensitive to ambient light?
- OPB991N51 is designed to minimize the effects of ambient light through modulation techniques and optical filtering.
Can OPB991N51 be used for speed sensing applications?
- While OPB991N51 is primarily used for object detection, it can also be utilized for speed sensing in certain applications by measuring the frequency of object detection events.
What are the key considerations for integrating OPB991N51 into a technical solution?
- When integrating OPB991N51, it's important to consider factors such as mounting position, ambient light levels, object reflectivity, and electrical noise to ensure reliable performance.