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OPB870L55
Product Overview
- Category: Optoelectronic Sensor
- Use: Detection of objects, motion, or position
- Characteristics: High sensitivity, compact size, reliable performance
- Package: Through-hole package, infrared LED and phototransistor pair
- Essence: Utilizes infrared light to detect the presence or absence of an object
- Packaging/Quantity: Typically available in reels of 1000 units
Specifications
- Operating Wavelength: 890nm
- Sensing Distance: Up to 3mm
- Output Type: Phototransistor
- Supply Voltage: 5V
- Operating Temperature Range: -40°C to 85°C
Detailed Pin Configuration
- Pin 1: Anode of Infrared LED
- Pin 2: Cathode of Infrared LED
- Pin 3: Collector of Phototransistor
- Pin 4: Emitter of Phototransistor
Functional Features
- High Sensitivity: Capable of detecting small objects at close range
- Compact Size: Allows for easy integration into various applications
- Reliable Performance: Consistent and accurate detection capabilities
Advantages and Disadvantages
Advantages
- Reliable detection in various lighting conditions
- Compact design for space-constrained applications
- Low power consumption
Disadvantages
- Limited sensing distance
- Susceptible to ambient light interference
Working Principles
The OPB870L55 operates based on the interruption of the infrared light beam emitted by the LED. When an object is present within the sensing distance, it obstructs the light, causing a change in the phototransistor's conductivity, which is then interpreted as a detection signal.
Detailed Application Field Plans
The OPB870L55 is suitable for a wide range of applications including: - Object detection in automated machinery - Position sensing in robotics - Motion detection in security systems - Proximity sensing in consumer electronics
Detailed and Complete Alternative Models
- OPB9000: Longer sensing distance but larger package size
- OPB700: Lower cost alternative with reduced sensitivity
- OPB800: Higher ambient light immunity but lower sensitivity
In conclusion, the OPB870L55 optoelectronic sensor offers high sensitivity and reliable performance in a compact package, making it suitable for diverse object detection and position sensing applications.
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What is OPB870L55?
- OPB870L55 is a reflective object sensor that consists of an infrared LED and a phototransistor.
What are the typical applications of OPB870L55?
- OPB870L55 is commonly used in applications such as paper detection in printers, edge sensing in robotics, and object detection in industrial automation.
What is the operating voltage range for OPB870L55?
- The operating voltage range for OPB870L55 is typically between 4.5V to 5.5V.
How does OPB870L55 detect objects?
- OPB870L55 detects objects by emitting infrared light from the LED and measuring the amount of light reflected back to the phototransistor.
What is the typical response time of OPB870L55?
- The typical response time of OPB870L55 is around 15 microseconds.
Can OPB870L55 be used in harsh environments?
- Yes, OPB870L55 is designed to operate reliably in harsh industrial environments.
What is the recommended operating temperature range for OPB870L55?
- The recommended operating temperature range for OPB870L55 is -40°C to 85°C.
Does OPB870L55 require any external components for operation?
- OPB870L55 does not require any external components for basic operation, but may require additional circuitry depending on the specific application.
What is the typical output configuration of OPB870L55?
- The typical output configuration of OPB870L55 is an open-collector NPN transistor.
Is OPB870L55 RoHS compliant?
- Yes, OPB870L55 is RoHS compliant, making it suitable for use in environmentally sensitive applications.