OPB855
Product Overview
- Category: Optoelectronics
- Use: Optical sensor for detecting objects or motion
- Characteristics: High sensitivity, compact size, reliable performance
- Package: Through-hole or surface mount
- Essence: Reliable object detection in various applications
- Packaging/Quantity: Available in reels of 1000 units
Specifications
- Operating Voltage: 4.5V to 16V
- Output Type: Phototransistor
- Sensing Distance: Up to 10mm
- Operating Temperature: -40°C to 85°C
- Response Time: 15μs
Detailed Pin Configuration
- Anode (+)
- Cathode (-)
- Collector (C)
- Emitter (E)
Functional Features
- High sensitivity to detect objects
- Fast response time for real-time applications
- Wide operating voltage range for flexibility
- Compact design for easy integration
Advantages and Disadvantages
Advantages
- Reliable object detection
- Versatile operating voltage
- Compact size for space-constrained applications
Disadvantages
- Limited sensing distance compared to some alternatives
- Susceptible to ambient light interference
Working Principles
The OPB855 operates based on the interruption of an infrared light beam between the emitter and detector. When an object obstructs the path, the phototransistor output is triggered, indicating the presence of the object.
Detailed Application Field Plans
- Industrial Automation: Object detection in conveyor systems
- Robotics: Proximity sensing for robotic arms
- Security Systems: Intrusion detection in alarm systems
- Automotive: Position sensing in vehicle assembly lines
Detailed and Complete Alternative Models
- OPB9000: Longer sensing distance but larger package
- TCST2103: Lower cost alternative with shorter sensing distance
- EE-SX670: Higher precision alternative with narrower sensing angle
This comprehensive entry provides a detailed overview of the OPB855, covering its specifications, features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.
10个与OPB855在技术解决方案中的应用相关的常见问题及解答
What is OPB855?
- OPB855 is a reflective object sensor that consists of an infrared LED and a phototransistor.
How does OPB855 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 OPB855?
- OPB855 is commonly used in applications such as industrial automation, robotics, assembly line monitoring, and object detection.
What is the operating voltage range for OPB855?
- The operating voltage range for OPB855 is typically between 4.5V and 5.5V.
What is the sensing distance of OPB855?
- The sensing distance of OPB855 can vary based on the specific application and environmental conditions, but it is generally in the range of a few millimeters to a few centimeters.
Can OPB855 be used in harsh environments?
- OPB855 is designed to operate reliably in industrial environments and can withstand some degree of dust, moisture, and vibration.
What is the output type of OPB855?
- OPB855 provides a digital output, typically in the form of an open-collector output or a logic-level output.
Does OPB855 require any external components for operation?
- OPB855 may require external resistors or capacitors for proper operation, depending on the specific circuit configuration and application requirements.
Is OPB855 sensitive to ambient light?
- OPB855 is designed to minimize the effects of ambient light interference, but it may still be affected by very bright ambient light sources.
Can multiple OPB855 sensors be used in the same system?
- Yes, multiple OPB855 sensors can be used in the same system, and they can be multiplexed or individually addressed based on the application's needs.