OPB891P51Z

Product Overview

The OPB891P51Z 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 to detect the presence or absence of an object. The characteristics of the OPB891P51Z include its compact size, high sensitivity, and reliable performance. It is typically packaged in a small housing with an integrated infrared LED and phototransistor. The essence of this sensor lies in its ability to accurately detect interruptions in the transmitted light beam. The standard packaging includes individual sensors or multiple sensors in a reel, depending on the quantity required.

Specifications

• Operating Wavelength: 950 nm
• Supply Voltage: 5 V
• Output Type: Phototransistor
• Operating Temperature Range: -40°C to 85°C
• Package Type: Through Hole
• Lead-Free Status: Lead-Free

Detailed Pin Configuration

The OPB891P51Z features a standard 4-pin configuration: 1. Anode (+) of the Infrared LED 2. Cathode (-) of the Infrared LED 3. Collector of the Phototransistor 4. Emitter of the Phototransistor

Functional Features

• High sensitivity to interruptions in the light beam
• Fast response time
• Compact design for easy integration into various systems
• Reliable performance in harsh environmental conditions

Advantages and Disadvantages

Advantages

• Accurate detection of object presence or absence
• Suitable for diverse application scenarios
• Compact and versatile design

Disadvantages

• Limited operating temperature range
• Sensitivity to ambient light variations

Working Principles

The OPB891P51Z operates based on the interruption of the infrared light beam between the integrated LED and phototransistor. When an object obstructs the light path, the phototransistor's conductivity changes, resulting in a corresponding output signal. This principle enables the sensor to effectively detect the presence or absence of objects in its vicinity.

Detailed Application Field Plans

The OPB891P51Z finds extensive application in various fields, including but not limited to: - Industrial automation - Robotics - Printers and copiers - Security systems - Consumer electronics

Detailed and Complete Alternative Models

• H21A1
• TCST2103
• EE-SX671

In conclusion, the OPB891P51Z photo interrupter sensor offers a reliable solution for object detection in diverse electronic and mechanical applications. Its compact design, high sensitivity, and fast response time make it a valuable component in systems requiring accurate object presence detection.

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