OPB973N51
Product Overview
Category
The OPB973N51 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 and a phototransistor.
Characteristics
- Utilizes infrared light for detection
- Compact size
- High sensitivity
- Low power consumption
Package
The OPB973N51 is typically available in a compact, surface-mount package.
Essence
The essence of the OPB973N51 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 quantities suitable for mass production.
Specifications
- Operating Voltage: 5V
- Current Consumption: 20mA
- Detection Range: Up to 10mm
- Output Type: Digital (High/Low)
Detailed Pin Configuration
The OPB973N51 has a standard pin configuration with connections for power, ground, and digital output.
| Pin Name | Description | |----------|-----------------| | VCC | Power Supply | | GND | Ground | | OUT | Digital Output |
Functional Features
- Infrared LED and phototransistor pair for reliable object detection
- Digital output for easy interfacing with microcontrollers and other devices
- Built-in ambient light rejection for improved accuracy
Advantages and Disadvantages
Advantages
- High sensitivity allows for reliable detection
- Low power consumption for energy efficiency
- Compact size enables integration into small devices
Disadvantages
- Limited detection range compared to some other sensors
- Susceptible to interference from ambient infrared light sources
Working Principles
The OPB973N51 operates on the principle of infrared light reflection. The infrared LED emits light, which is then reflected off an object and detected by the phototransistor. When an object is present, the reflected light is detected, resulting in a digital output signal.
Detailed Application Field Plans
The OPB973N51 is commonly used in various applications such as: - Proximity sensing in robotics and automation - Object detection in vending machines and industrial equipment - Paper detection in printers and copiers - Slot detection in gaming machines and ticket validators
Detailed and Complete Alternative Models
Some alternative models to the OPB973N51 include: - TCRT5000: A similar reflective optical sensor with a longer detection range - QRE1113: Reflective object sensor with analog output for distance measurement - GP2Y0A21YK0F: Infrared proximity sensor with a longer detection range and analog output
In conclusion, the OPB973N51 is a versatile optical sensor with high sensitivity and low power consumption, making it suitable for a wide range of object detection applications.
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技術ソリューションにおける OPB973N51 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 OPB973N51?
- OPB973N51 is a reflective object sensor that consists of an infrared LED and a phototransistor.
What are the typical applications of OPB973N51?
- OPB973N51 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 of OPB973N51?
- The operating voltage range of OPB973N51 is typically between 4.5V to 5.5V.
How does OPB973N51 detect objects?
- The infrared LED emits light, which is then reflected off an object and detected by the phototransistor, allowing the sensor to determine the presence or absence of an object.
What is the sensing distance of OPB973N51?
- The sensing distance of OPB973N51 can vary based on the specific application and environmental conditions, but it typically ranges from a few millimeters to a few centimeters.
Can OPB973N51 be used in outdoor environments?
- OPB973N51 is primarily designed for indoor use and may not perform optimally in outdoor environments due to interference from natural light and other environmental factors.
What are the output characteristics of OPB973N51?
- OPB973N51 provides a digital output signal, typically in the form of a logic high or low, indicating the presence or absence of the detected object.
Is OPB973N51 sensitive to ambient light?
- OPB973N51 is designed to minimize the impact of ambient light through its modulation and demodulation techniques, making it less sensitive to ambient light compared to traditional sensors.
Can OPB973N51 be used in harsh industrial environments?
- OPB973N51 is suitable for use in some industrial environments, but care should be taken to protect the sensor from excessive dust, moisture, and mechanical stress.
What are the key considerations for integrating OPB973N51 into a technical solution?
- When integrating OPB973N51, factors such as mounting position, ambient light conditions, and electrical interference should be carefully considered to ensure optimal performance.