OPB981T11 Encyclopedia Entry

Product Overview

The OPB981T11 is a photo interrupter sensor designed for precise detection and measurement applications. This optoelectronic device falls under the category of sensors and is commonly used in various electronic and industrial systems. Its key characteristics include high sensitivity, compact packaging, and reliable performance. The sensor is typically packaged individually and is available in varying quantities to suit different application needs.

Specifications

• Operating Voltage: 5V
• Current Consumption: 20mA
• Output Type: Phototransistor
• Aperture Width: 0.8mm
• Response Time: 15μs
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The OPB981T11 features a standard 4-pin configuration: 1. VCC (5V) 2. GND 3. Signal Output 4. N/C (Not Connected)

Functional Features

• High sensitivity to detect interruptions in light transmission
• Fast response time for real-time applications
• Reliable phototransistor output for accurate signal processing

Advantages and Disadvantages

Advantages

• Precise detection capabilities
• Compact and easy to integrate into existing systems
• Wide operating temperature range

Disadvantages

• Limited aperture width may restrict certain applications
• Vulnerable to ambient light interference in some environments

Working Principles

The OPB981T11 operates on the principle of interrupted light transmission. When an object obstructs the path between the emitter and receiver, the phototransistor output is activated, signaling the interruption.

Detailed Application Field Plans

The OPB981T11 finds extensive use in various fields, including: - Industrial automation 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

For applications requiring similar functionality, alternative models to consider include: - OPB9000: Offers wider aperture width for broader detection range - TCST2103: Provides enhanced ambient light rejection for outdoor applications - EE-SX670: Features compact design for space-constrained installations

In conclusion, the OPB981T11 photo interrupter sensor offers precise and reliable detection capabilities, making it a valuable component in various electronic and industrial systems.

[Word Count: 306]

Please let me know if you need any further information or modifications!