OPB990T51

Product Overview

The OPB990T51 is a photo interrupter sensor designed for use in various electronic and mechanical applications. This device belongs to the category of optical sensors and is commonly used for detecting the presence or absence of an object, as well as for position sensing and speed measurement. The OPB990T51 is known for its compact size, high reliability, and precise detection capabilities. It is typically packaged in a small, durable housing and is available in various packaging quantities to suit different application requirements.

Specifications

Operating Voltage: 5V
Current Consumption: 20mA
Output Type: Transistor
Sensing Method: Phototransistor
Operating Temperature Range: -40°C to 85°C
Package Type: Through Hole
Package Quantity: 50 units per pack

Detailed Pin Configuration

The OPB990T51 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
Built-in ambient light rejection
Compact and easy to integrate into existing systems

Advantages

Reliable and consistent performance
Suitable for harsh environments due to wide temperature range
Low power consumption
Versatile applications in various industries

Disadvantages

Limited detection range compared to some other sensors
Susceptible to interference from certain types of ambient light sources

Working Principles

The OPB990T51 operates based on the interruption of the infrared light beam between the emitter and detector components. When an object obstructs the light path, the phototransistor output switches, indicating the presence of the object.

Detailed Application Field Plans

The OPB990T51 is widely used in the following applications: - Printers and copiers for paper jam detection - Industrial automation for part counting and positioning - Robotics for object detection and sorting - Security systems for intrusion detection - Automotive systems for speed and position sensing

Detailed and Complete Alternative Models

OPB9000 Series: Offers similar functionality with different package options
TCST2103: Provides comparable performance with enhanced ambient light rejection
EE-SX670: Features extended detection range and higher immunity to ambient light

In conclusion, the OPB990T51 is a versatile and reliable photo interrupter sensor suitable for a wide range of applications. Its compact design, high sensitivity, and robust performance make it a popular choice in the industry.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací OPB990T51 v technických řešeních

What is OPB990T51?
- OPB990T51 is a reflective object sensor that consists of an infrared LED and a phototransistor in a single package.
How does OPB990T51 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 OPB990T51?
- OPB990T51 is commonly used in applications such as industrial automation, robotics, assembly line monitoring, and object detection.
What is the operating voltage range for OPB990T51?
- The operating voltage range for OPB990T51 is typically between 4.5V and 5.5V.
What is the sensing distance of OPB990T51?
- The sensing distance of OPB990T51 can vary based on the specific application and environmental conditions, but it is generally in the range of a few millimeters to a few centimeters.
Can OPB990T51 be used for detecting transparent or reflective objects?
- OPB990T51 is primarily designed for detecting opaque objects. It may not be suitable for reliably detecting transparent or highly reflective objects.
What is the output type of OPB990T51?
- OPB990T51 provides a digital output, typically in the form of an open-collector output or a logic-level output, depending on the specific model.
Is OPB990T51 sensitive to ambient light?
- OPB990T51 is designed to minimize the effects of ambient light, but it may still be affected by very bright ambient light sources.
Can OPB990T51 be used in harsh industrial environments?
- OPB990T51 is often designed to withstand industrial environments, with some models featuring rugged construction and resistance to dust, moisture, and vibration.
Are there any special considerations for mounting and alignment when using OPB990T51?
- Proper mounting and alignment are crucial for optimal performance. Care should be taken to ensure that the sensor is securely mounted and aligned with the target object to achieve reliable operation.