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OPB846L55
Product Overview
Category
The OPB846L55 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 light for detection
- Compact size
- High sensitivity
- Low power consumption
Package
The OPB846L55 is typically available in a small, surface-mount package.
Essence
The essence of the OPB846L55 lies in its ability to accurately detect the presence of objects in various applications.
Packaging/Quantity
The sensor is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Operating Wavelength: 950 nm
- Supply Voltage: 4.5 V to 5.5 V
- Output Type: Phototransistor
- Maximum Collector Current: 20 mA
- Operating Temperature Range: -40°C to 85°C
Detailed Pin Configuration
The OPB846L55 typically consists of 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
- Wide operating temperature range
- Low profile package
Advantages
- High sensitivity to infrared light
- Compact design for easy integration
- Suitable for various industrial and consumer applications
Disadvantages
- Susceptible to ambient light interference
- Limited range compared to some other sensing technologies
Working Principles
The OPB846L55 operates on the principle of reflection sensing. The infrared LED emits light, which is then reflected off an object and detected by the phototransistor. The presence or absence of the object alters the amount of reflected light, allowing the sensor to determine the object's status.
Detailed Application Field Plans
The OPB846L55 is commonly used in the following applications: - Object detection in automated machinery - Paper detection in printers and copiers - Proximity sensing in consumer electronics - Robotics for obstacle detection
Detailed and Complete Alternative Models
Some alternative models to the OPB846L55 include: - TCRT5000 - A similar reflective optical sensor with a compact design - QRE1113 - Reflective object sensor with analog output for distance measurement - GP2Y0A21YK - Infrared proximity sensor with longer detection range
In conclusion, the OPB846L55 is a versatile optical sensor with reliable performance and a wide range of applications, making it a popular choice in various industries.
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Liste 10 perguntas e respostas comuns relacionadas à aplicação de OPB846L55 em soluções técnicas
What is the OPB846L55?
- The OPB846L55 is a reflective object sensor with an integrated infrared emitter and phototransistor.
What is the operating voltage range of the OPB846L55?
- The operating voltage range of the OPB846L55 is typically 4.5V to 5.5V.
What is the typical sensing distance of the OPB846L55?
- The typical sensing distance of the OPB846L55 is 0.2mm to 2.5mm.
What is the output type of the OPB846L55?
- The OPB846L55 has an open collector output.
What is the typical response time of the OPB846L55?
- The typical response time of the OPB846L55 is 8µs.
What are the typical applications of the OPB846L55?
- The OPB846L55 is commonly used in printers, copiers, vending machines, and industrial automation equipment for paper detection, edge sensing, and object counting.
Does the OPB846L55 have built-in ambient light rejection?
- Yes, the OPB846L55 has built-in ambient light rejection to enhance its performance in various lighting conditions.
What is the recommended operating temperature range for the OPB846L55?
- The recommended operating temperature range for the OPB846L55 is -40°C to 85°C.
Can the OPB846L55 be used for non-contact sensing applications?
- Yes, the OPB846L55 can be used for non-contact sensing applications due to its reflective sensing mechanism.
Is the OPB846L55 RoHS compliant?
- Yes, the OPB846L55 is RoHS compliant, making it suitable for use in environmentally sensitive applications.