MF-R250-2

Introduction

The MF-R250-2 is a resettable fuse belonging to the category of electronic components. This device is designed to protect electrical circuits from overcurrent conditions and is widely used in various electronic applications. 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 MF-R250-2.

Basic Information Overview

• Category: Electronic Components
• Use: Overcurrent protection in electrical circuits
• Characteristics: Resettable, compact, reliable
• Package: SMD (Surface Mount Device)
• Essence: Protects circuits from overcurrent events
• Packaging/Quantity: Typically available in reels of 1000 units

Specifications

• Hold Current: 2.5A
• Trip Current: 5A
• Max Voltage: 30V
• Operating Temperature: -40°C to 85°C
• Resistance: <0.1Ω

Detailed Pin Configuration

The MF-R250-2 has two terminals for connection. The pin configuration is as follows: - Pin 1: Input/Anode - Pin 2: Output/Cathode

Functional Features

• Resettable functionality
• Fast response to overcurrent conditions
• Compact size for space-constrained applications
• Reliable operation over multiple trip cycles

Advantages and Disadvantages

Advantages

• Provides protection against overcurrent events
• Resettable feature eliminates the need for replacement after a fault
• Compact design suitable for modern electronics
• Reliable performance over multiple fault conditions

Disadvantages

• Limited maximum voltage rating
• May have a higher initial cost compared to traditional fuses

Working Principles

The MF-R250-2 operates based on the principle of positive temperature coefficient (PTC). When an overcurrent event occurs, the device heats up, causing its resistance to increase significantly, thereby limiting the current flow and protecting the circuit. 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 MF-R250-2 is commonly used in various electronic applications, including: - Power supplies - Battery packs - LED lighting - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the MF-R250-2 include: - MF-R050-0-99 - MF-R500-2 - MF-R700-2 - MF-R900-2

In conclusion, the MF-R250-2 resettable fuse is a crucial component in modern electronic circuits, providing reliable overcurrent protection with its resettable functionality and compact design. Its application spans across various industries, making it a versatile choice for circuit protection needs.

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