OPB831L51
Product Overview
The OPB831L51 is a photo interrupter sensor designed for precise detection and counting applications. This optoelectronic device falls under the category of sensors and is commonly used in various industrial and consumer electronic products. Its key characteristics include high sensitivity, compact size, and reliable performance. The sensor is typically packaged in a durable housing and is available in different packaging/quantity options to suit specific application requirements.
Specifications
- Operating Wavelength: 950 nm
- Aperture Width: 0.8 mm
- Supply Voltage: 5 V
- Output Type: Phototransistor
- Maximum Collector Current: 20 mA
- Operating Temperature Range: -40°C to 85°C
Detailed Pin Configuration
The OPB831L51 features a standard 4-pin configuration: 1. VCC (Supply Voltage) 2. GND (Ground) 3. Output 4. N/C (Not Connected)
Functional Features
- High sensitivity to detect objects passing through the aperture
- Fast response time for accurate counting and detection
- Compact design for easy integration into various systems
Advantages and Disadvantages
Advantages
- Reliable and consistent performance
- Compact size for versatile installation
- Suitable for harsh industrial environments
Disadvantages
- Limited operating temperature range
- Sensitivity may be affected by ambient light conditions
Working Principles
The OPB831L51 operates based on the interruption of the light beam between the emitter and detector components. When an object passes through the aperture, it obstructs the light, causing the phototransistor to switch its output state. This change in output is then utilized for object detection and counting purposes.
Detailed Application Field Plans
The OPB831L51 finds extensive use in various applications, including: - Industrial automation for part counting and position sensing - Printers and copiers for paper presence detection - Consumer electronics for rotary encoder applications
Detailed and Complete Alternative Models
- OPB815WZ: Similar functionality with wider aperture width
- OPB9000: Enhanced temperature range and higher sensitivity
In conclusion, the OPB831L51 is a versatile photo interrupter sensor suitable for precise detection and counting tasks across diverse industries.
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技術ソリューションにおける OPB831L51 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 OPB831L51?
- OPB831L51 is a reflective object sensor that consists of an infrared LED and a phototransistor.
What are the typical applications of OPB831L51?
- OPB831L51 is commonly used in applications such as industrial automation, robotics, assembly line equipment, and position sensing.
What is the operating voltage range for OPB831L51?
- The operating voltage range for OPB831L51 is typically between 4.5V to 5.5V.
How does OPB831L51 detect objects?
- OPB831L51 detects objects by emitting infrared light from the LED and then measuring the amount of light reflected back to the phototransistor.
What is the typical sensing distance of OPB831L51?
- The typical sensing distance of OPB831L51 is around 0.2 inches to 0.5 inches, depending on the reflectivity of the object.
Can OPB831L51 be used in outdoor environments?
- OPB831L51 is designed for indoor use and may not perform reliably in outdoor environments due to ambient light interference.
What is the output type of OPB831L51?
- OPB831L51 provides a digital output, which switches from high to low when an object is detected within its sensing range.
Is OPB831L51 resistant to environmental contaminants?
- OPB831L51 is not specifically designed to be resistant to environmental contaminants, so it should be protected from dust, moisture, and other particles.
Can multiple OPB831L51 sensors be used in the same application?
- Yes, multiple OPB831L51 sensors can be used in the same application to cover larger areas or provide redundancy.
What are the key considerations for mounting OPB831L51 in a technical solution?
- When mounting OPB831L51, it's important to ensure proper alignment, minimize ambient light interference, and protect the sensor from physical damage.