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OPB876T51
Product Overview
The OPB876T51 is a photo interrupter sensor designed for use in various electronic and mechanical applications. This sensor falls under the category of optoelectronic devices and is commonly used for object detection, position sensing, and speed measurement. The characteristics of the OPB876T51 include high sensitivity, fast response time, and reliable performance. It is typically packaged in a compact housing with an infrared LED and phototransistor pair, providing an effective means of detecting objects or motion.
Package and Quantity
The OPB876T51 is commonly available in small, surface-mount packages and is often sold in reels or trays containing multiple units.
Specifications
- Operating Wavelength: Infrared
- Supply Voltage: 5V
- Output Type: Phototransistor
- Maximum Sensing Distance: 10mm
- Response Time: <10μs
- Operating Temperature Range: -40°C to 85°C
Detailed Pin Configuration
The OPB876T51 typically consists of four pins: VCC (power supply), GND (ground), LED (infrared light emitter), and OUT (phototransistor output).
| Pin Name | Description | |----------|-------------------| | VCC | Power Supply (5V) | | GND | Ground | | LED | Infrared Emitter | | OUT | Phototransistor Output |
Functional Features
The OPB876T51 operates by emitting infrared light from the LED and detecting the reflected light using the phototransistor. When an object passes between the LED and phototransistor, the amount of reflected light changes, causing the phototransistor to switch its output state. This change in output can be used to detect the presence or absence of an object.
Advantages and Disadvantages
Advantages
- High sensitivity to detect even small objects
- Fast response time for real-time applications
- Compact size for easy integration into various systems
Disadvantages
- Susceptible to ambient light interference
- Limited sensing distance compared to some other sensors
Working Principles
The working principle of the OPB876T51 is based on the interruption of the infrared light beam between the LED and phototransistor. When an object obstructs the light path, the phototransistor's conductivity changes, leading to a corresponding change in the sensor's output signal.
Detailed Application Field Plans
The OPB876T51 finds applications in a wide range of fields, including: - Automated manufacturing processes for object detection and counting - Robotics for precise positioning and obstacle avoidance - Printers and copiers for paper jam detection - Security systems for intrusion detection
Detailed and Complete Alternative Models
Some alternative models to the OPB876T51 include: - TCST2103 - Similar photo interrupter sensor with different package and specifications - EE-SX670 - Compact photo interrupter with enhanced ambient light rejection - H21A1 - Through-hole mount photo interrupter with extended sensing range
In conclusion, the OPB876T51 is a versatile photo interrupter sensor with various applications in electronics, robotics, and automation. Its compact size, high sensitivity, and fast response time make it a popular choice for object detection and position sensing in diverse industries.
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What is OPB876T51?
- OPB876T51 is a reflective object sensor that consists of an infrared LED and a phototransistor.
What are the typical applications of OPB876T51?
- OPB876T51 is commonly used in applications such as industrial automation, robotics, assembly line monitoring, and object detection.
How does OPB876T51 work?
- 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 the object.
What is the operating voltage range for OPB876T51?
- OPB876T51 typically operates within a voltage range of 4.5V to 5.5V.
What is the sensing distance of OPB876T51?
- The sensing distance of OPB876T51 can vary based on the specific application and environmental conditions, but it typically ranges from a few millimeters to several centimeters.
Can OPB876T51 be used for detecting transparent objects?
- OPB876T51 may have limitations when it comes to detecting transparent objects, as the reflectivity of such materials can affect its performance.
Is OPB876T51 resistant to ambient light interference?
- OPB876T51 is designed to minimize the impact of ambient light interference, but it may still require shielding or filtering in high-ambient-light environments.
What output does OPB876T51 provide?
- OPB876T51 typically provides a digital output, indicating the presence or absence of the detected object.
Can OPB876T51 be used in harsh industrial environments?
- OPB876T51 is designed to withstand moderate industrial environments, but additional protection may be required for extremely harsh conditions.
Are there any special considerations for mounting OPB876T51?
- Mounting considerations for OPB876T51 include ensuring proper alignment between the sensor and the target object, as well as minimizing potential obstructions or reflections in the sensing area.