MICROSMD500LR-2

Introduction

The MICROSMD500LR-2 is a surface mount resettable fuse belonging to the category of electronic components. This device is widely used for overcurrent protection in various electronic circuits due to its unique characteristics and reliability. In this entry, we will provide an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of the MICROSMD500LR-2.

Basic Information Overview

• Category: Electronic Components
• Use: Overcurrent Protection
• Characteristics: Resettable, Surface Mount, High Reliability
• Package: SMD (Surface Mount Device)
• Essence: Overcurrent Protection in Electronic Circuits
• Packaging/Quantity: Varies based on manufacturer and distributor

Specifications

• Voltage Rating: 30V
• Current Rating: 5A
• Hold Current: 0.5A to 5A
• Trip Current: 1A to 10A
• Operating Temperature Range: -40°C to 85°C
• Maximum Power Dissipation: 0.1W

Detailed Pin Configuration

The MICROSMD500LR-2 typically has two pins for surface mounting onto a printed circuit board. The specific pin configuration may vary based on the manufacturer's datasheet.

Functional Features

• Resettable Fuse: The MICROSMD500LR-2 can automatically reset after the fault condition is removed, providing continuous protection.
• Surface Mount Design: Enables easy integration into compact electronic designs.
• High Reliability: Ensures consistent overcurrent protection without the need for replacement after a single fault event.

Advantages and Disadvantages

Advantages

• Automatic Resetting Capability
• Compact Surface Mount Package
• Reliable Overcurrent Protection

Disadvantages

• Limited Maximum Voltage and Current Ratings
• Sensitivity to Ambient Temperature Changes

Working Principles

The MICROSMD500LR-2 operates based on the principle of positive temperature coefficient (PTC) behavior. When an overcurrent condition occurs, the resistance of the device increases, limiting the current flow. Once the fault is removed, the device cools down and returns to its low-resistance state, ready for normal operation.

Detailed Application Field Plans

The MICROSMD500LR-2 is commonly used in various electronic applications, including: - Consumer Electronics - Automotive Electronics - Industrial Control Systems - Telecommunications Equipment - Medical Devices

Detailed and Complete Alternative Models

• MICROSMD050-2: Lower current rating variant
• MICROSMD110-2: Higher current rating variant
• MICROSMD250-2: Medium current rating variant
• MICROSMD750LR-2: Higher voltage and current rating variant

In conclusion, the MICROSMD500LR-2 is a reliable and compact resettable fuse that provides essential overcurrent protection in electronic circuits across diverse industries.

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