OPB872N55
Product Overview
Category
The OPB872N55 belongs to the category of optical sensors.
Use
It is used for detecting the presence or absence of an object by utilizing an infrared light-emitting diode (LED) and a phototransistor.
Characteristics
- Utilizes infrared LED and phototransistor
- Compact size
- High sensitivity
- Low power consumption
Package
The OPB872N55 is typically available in a small, surface-mount package.
Essence
The essence of OPB872N55 lies in its ability to accurately detect the presence of objects in various applications.
Packaging/Quantity
The sensor is usually packaged in reels and is available in varying quantities depending on the manufacturer's specifications.
Specifications
- Operating Voltage: 4.5V to 5.5V
- Output Type: Phototransistor
- Sensing Distance: Up to 3mm
- Operating Temperature Range: -40°C to 85°C
- Dimensions: 5.8mm x 7mm x 7.6mm
Detailed Pin Configuration
The OPB872N55 typically has four pins: 1. Anode of Infrared LED 2. Cathode of Infrared LED 3. Collector of Phototransistor 4. Emitter of Phototransistor
Functional Features
- Reliable object detection
- Fast response time
- Low power consumption
- Compact design
Advantages and Disadvantages
Advantages
- High sensitivity
- Compact size
- Wide operating temperature range
- Low power consumption
Disadvantages
- Limited sensing distance
- Susceptible to ambient light interference
Working Principles
The OPB872N55 works based on the principle of reflection. The infrared LED emits light, which is then reflected off an object and detected by the phototransistor. When an object is present, the phototransistor conducts, producing an output signal.
Detailed Application Field Plans
The OPB872N55 finds applications in various fields, including: - Object detection in automated machinery - Paper and label detection in printers - Proximity sensing in consumer electronics - Robotics for obstacle detection
Detailed and Complete Alternative Models
Some alternative models to OPB872N55 include: - TCRT5000: A similar reflective optical sensor with a compact design - GP2Y0A21YK0F: Infrared proximity sensor with longer sensing distance - QRE1113: Reflective object sensor with analog output
In conclusion, the OPB872N55 is a versatile optical sensor with high sensitivity and low power consumption, making it suitable for a wide range of applications.
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10個與OPB872N55在技術方案中應用相關的常見問題與解答
What is the OPB872N55?
- The OPB872N55 is a reflective object sensor with an integrated infrared emitter and phototransistor.
What are the typical applications of the OPB872N55?
- The OPB872N55 is commonly used in applications such as industrial automation, robotics, and assembly line equipment for detecting objects or position sensing.
What is the operating voltage range of the OPB872N55?
- The OPB872N55 operates within a voltage range of 4.5V to 5.5V.
How does the OPB872N55 detect objects?
- The OPB872N55 emits infrared light and detects the reflected light from objects, allowing it to sense the presence or absence of objects.
What is the typical output of the OPB872N55?
- The OPB872N55 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.
Can the OPB872N55 be used for proximity sensing?
- Yes, the OPB872N55 can be utilized for proximity sensing within its specified range.
What is the recommended operating temperature range for the OPB872N55?
- The OPB872N55 is designed to operate within a temperature range of -40°C to 85°C.
Does the OPB872N55 require any external components for operation?
- The OPB872N55 typically does not require additional external components for basic operation.
Is the OPB872N55 suitable for use in harsh environments?
- The OPB872N55 is designed to withstand harsh industrial environments, making it suitable for rugged applications.
Can the OPB872N55 be used for speed sensing in rotating machinery?
- Yes, the OPB872N55 can be employed for speed sensing by detecting the presence or absence of rotating components within its detection range.