OPB123B Encyclopedia Entry
Product Overview
Category
The OPB123B 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
- Reliable performance
Package
The OPB123B is typically available in a small, rectangular package with an integrated infrared LED and phototransistor.
Essence
The essence of OPB123B lies in its ability to accurately detect the presence of objects in various applications.
Packaging/Quantity
The OPB123B is usually packaged individually and is available in varying quantities depending on the supplier.
Specifications
- Operating Voltage: 5V
- Current Consumption: 20mA
- Detection Range: Up to 10mm
- Output Type: Digital (High/Low)
Detailed Pin Configuration
- VCC - Power supply input
- GND - Ground
- Output - Digital output signal
Functional Features
- Infrared light emission for object detection
- Digital output for easy interfacing with microcontrollers
- High sensitivity for accurate detection
Advantages
- Compact size allows for easy integration into various devices
- Reliable performance in different environmental conditions
- Low power consumption
Disadvantages
- Limited detection range compared to some other sensors
- Susceptible to interference from ambient light sources
Working Principles
The OPB123B operates based on the principle of infrared light reflection. 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 presence.
Detailed Application Field Plans
The OPB123B finds application in various fields such as: - Object detection in automated machinery - Proximity sensing in robotics - Position sensing in consumer electronics
Detailed and Complete Alternative Models
Some alternative models to OPB123B include: - TCRT5000 - Similar infrared reflective sensor - GP2Y0A21YK - Infrared distance measuring sensor - QRE1113 - Reflective object sensor
In conclusion, the OPB123B optical sensor offers reliable object detection capabilities in a compact package, making it suitable for diverse applications across different industries.
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技術ソリューションにおける OPB123B 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 OPB123B?
- OPB123B is a reflective object sensor that consists of an infrared LED and a phototransistor.
How does OPB123B work?
- The infrared LED emits light, which is then reflected off an object and detected by the phototransistor, allowing it to sense the presence or absence of the object.
What are the typical applications of OPB123B?
- OPB123B is commonly used in applications such as object detection, counting, and position sensing in various technical solutions.
What is the operating voltage range for OPB123B?
- The operating voltage range for OPB123B is typically between 4.5V and 5.5V.
What is the output type of OPB123B?
- OPB123B provides a digital output, typically in the form of an open-collector transistor.
Can OPB123B be used for detecting transparent objects?
- No, OPB123B is not suitable for detecting transparent objects as it relies on the reflection of light for object detection.
What is the sensing distance of OPB123B?
- The sensing distance of OPB123B can vary based on the specific application and environmental conditions, but it is typically in the range of a few millimeters to a few centimeters.
Is OPB123B sensitive to ambient light?
- Yes, OPB123B can be sensitive to ambient light, so it is important to consider ambient light conditions when designing the application.
Can OPB123B be used in harsh industrial environments?
- OPB123B is designed to operate in a wide temperature range and can be used in some industrial environments, but additional protection may be required in harsh conditions.
Are there any special considerations for mounting OPB123B?
- It is important to mount OPB123B securely and ensure proper alignment between the LED and phototransistor for reliable operation. Additionally, environmental factors such as dust and moisture should be considered during mounting.