LTR-546AB Encyclopedia Entry

Product Overview

The LTR-546AB is a light-dependent resistor (LDR) belonging to the category of electronic components. It is commonly used in various electronic devices and circuits for its light-sensing capabilities. The LTR-546AB possesses unique characteristics, comes in specific packaging, and is essential for light detection applications.

Category

Electronic Components

Use

The LTR-546AB is primarily used as a light sensor in electronic circuits and devices. It exhibits a change in resistance based on the intensity of light falling on it, making it suitable for light detection and control systems.

Characteristics

• Light-dependent resistor
• Variable resistance based on light intensity
• Sensitive to a wide range of light wavelengths

Package

The LTR-546AB is typically packaged in a protective casing to shield it from external elements that could affect its performance. The package ensures the integrity of the component during storage and handling.

Essence

The essence of the LTR-546AB lies in its ability to convert light energy into electrical signals, enabling the design and implementation of light-sensitive electronic systems.

Packaging/Quantity

The LTR-546AB is commonly available in standardized packaging, with quantities varying based on the supplier and consumer requirements.

Specifications

• Operating Wavelength: 400nm to 700nm
• Dark Resistance: 1 MΩ (max)
• Light Resistance: 10 KΩ (min)
• Power Dissipation: 100mW
• Operating Temperature: -30°C to 70°C

Detailed Pin Configuration

The LTR-546AB features a two-pin configuration: 1. Pin 1: Anode 2. Pin 2: Cathode

Functional Features

• Light Sensing: The LTR-546AB exhibits a variable resistance based on the intensity of incident light, allowing it to function as a light sensor.
• Electrical Response: It converts changes in light intensity into corresponding changes in electrical resistance, enabling integration into light-controlled circuits.

Advantages and Disadvantages

Advantages

• High Sensitivity: The LTR-546AB is highly sensitive to changes in light intensity, making it suitable for precise light detection applications.
• Simple Integration: It can be easily integrated into electronic circuits due to its straightforward functionality.

Disadvantages

• Limited Directionality: The LTR-546AB may exhibit limited directionality in certain applications, requiring additional components for directional light sensing.

Working Principles

The LTR-546AB operates on the principle of photoconductivity, where incident light photons excite electrons within the semiconductor material, leading to a change in its conductivity and, consequently, its resistance.

Detailed Application Field Plans

The LTR-546AB finds extensive use in various application fields, including: - Ambient Light Sensing in Consumer Electronics - Automatic Lighting Control Systems - Solar Tracking Mechanisms - Light-Activated Alarms and Security Systems

Detailed and Complete Alternative Models

Several alternative models to the LTR-546AB include: - LTR-329ALS - LTR-301ALS - LTR-559ALS

In conclusion, the LTR-546AB serves as a crucial component in light-sensing applications, offering high sensitivity and simple integration into electronic circuits. Its working principles and diverse application field plans make it an indispensable choice for designers and engineers seeking reliable light detection solutions.

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