MF-RX300-2-99

Introduction

The MF-RX300-2-99 is a component belonging to the category of resettable fuses. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Resettable Fuse
• Use: Overcurrent protection in electronic circuits
• Characteristics: Resettable, compact, reliable
• Package: Surface mount
• Essence: Provides overcurrent protection by limiting the flow of current in the circuit
• Packaging/Quantity: Typically packaged in reels or tape and reel format

Specifications

• Voltage Rating: 30V
• Current Rating: 3A
• Hold Current: 2A
• Trip Current: 3.9A
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The MF-RX300-2-99 has two terminals for connection within the circuit. The pin configuration is as follows: - Pin 1: Input/Anode - Pin 2: Output/Cathode

Functional Features

• Resettable: Automatically resets after the fault condition is removed
• Overcurrent Protection: Limits the current to protect the circuit components
• Compact Design: Space-saving surface mount package
• Reliable Operation: Provides consistent protection over multiple fault cycles

Advantages and Disadvantages

Advantages

• Resettable functionality reduces maintenance and replacement costs
• Provides reliable overcurrent protection in electronic circuits
• Compact design saves space on the PCB

Disadvantages

• Limited maximum voltage and current ratings compared to traditional fuses
• May have a slower response time compared to non-resettable fuses

Working Principles

The MF-RX300-2-99 operates based on the principle of positive temperature coefficient (PTC). When the current exceeds the trip current, the device heats up, causing its resistance to increase and limit the current flow. Once the fault is removed, the device cools down and returns to its low-resistance state.

Detailed Application Field Plans

The MF-RX300-2-99 is commonly used in various electronic devices and equipment, including: - Consumer electronics - Power supplies - Battery packs - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

• MF-RX110-0-14: Lower hold current variant
• MF-RX500-AP: Higher current rating for industrial applications
• MF-RX065-0-99: Lower voltage rating for specific applications

In conclusion, the MF-RX300-2-99 resettable fuse offers reliable overcurrent protection in a compact and resettable package, making it suitable for a wide range of electronic applications.

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