OPB491N11
Product Overview
The OPB491N11 is a photo interrupter sensor belonging to the category of optoelectronic devices. It is commonly used for detecting the presence or absence of an object, and it is characterized by its compact design, high sensitivity, and reliable performance. The sensor is typically packaged in a small housing and is available in various packaging/quantity options to suit different application requirements.
Specifications
- Operating Voltage: 5V
- Current Consumption: 20mA
- Output Type: Phototransistor
- Response Time: 10μs
- Operating Temperature: -40°C to 85°C
Detailed Pin Configuration
The OPB491N11 features a standard 4-pin configuration: 1. VCC (Power Supply) 2. GND (Ground) 3. Signal Output 4. N/C (Not Connected)
Functional Features
- High sensitivity to detect objects
- Fast response time for real-time applications
- Compact size for easy integration into various systems
Advantages and Disadvantages
Advantages
- Reliable detection performance
- Wide operating temperature range
- Low power consumption
Disadvantages
- Limited range of detection
- Susceptible to ambient light interference
Working Principles
The OPB491N11 operates based on the interruption of the infrared light beam between the emitter and receiver components. When an object obstructs the light path, the phototransistor output is activated, indicating the presence of the object.
Detailed Application Field Plans
The OPB491N11 is widely used in the following applications: - Object detection in industrial automation - Paper feed control in printers - Slot sensors in vending machines - Encoder wheel detection in robotics
Detailed and Complete Alternative Models
For users seeking alternative models, the following options are available: - OPB490N11 - OPB492N11 - TCST2103
In conclusion, the OPB491N11 photo interrupter sensor offers reliable object detection capabilities with its compact design and high sensitivity. While it has limitations in terms of detection range and susceptibility to ambient light, its advantages make it suitable for various industrial and commercial applications.
Word Count: 320
Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi OPB491N11 dalam penyelesaian teknikal
What is OPB491N11?
- OPB491N11 is a reflective object sensor that consists of an infrared LED and a phototransistor.
How does OPB491N11 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 OPB491N11?
- OPB491N11 is commonly used in applications such as object detection, position sensing, and automation systems.
What is the operating voltage range for OPB491N11?
- The operating voltage range for OPB491N11 is typically between 4.5V and 5.5V.
What is the sensing distance of OPB491N11?
- The sensing distance of OPB491N11 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.
Can OPB491N11 be used in harsh environments?
- OPB491N11 is not designed for harsh environments and may require additional protection or housing if used in dusty, wet, or extreme temperature conditions.
What is the output type of OPB491N11?
- OPB491N11 provides a digital output, typically in the form of an open-collector NPN transistor.
Is OPB491N11 sensitive to ambient light?
- OPB491N11 is designed to minimize the effects of ambient light, but excessive ambient light can still affect its performance, so proper shielding and filtering may be necessary.
Can OPB491N11 be used for speed sensing applications?
- OPB491N11 can be used for speed sensing in certain applications, such as detecting the rotation of a shaft with reflective markings.
Are there any special considerations for mounting OPB491N11?
- It is important to mount OPB491N11 securely and ensure proper alignment between the sensor and the reflective surface to achieve reliable operation.