MF-RX375 Product Overview

Introduction

The MF-RX375 is a versatile electronic component that belongs to the category of resettable fuses. This entry provides a comprehensive overview of the MF-RX375, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Resettable Fuse
• Use: Overcurrent Protection
• Characteristics: Resettable, Low Resistance
• Package: Radial Leaded
• Essence: Polymer PTC Resettable Fuse
• Packaging/Quantity: Bulk Packaging, Quantity Varies

Specifications

The MF-RX375 has the following specifications: - Hold Current: 3.75A - Trip Current: 7.50A - Max Voltage: 60V - Operating Temperature Range: -40°C to 85°C - Resistance: <0.05Ω

Detailed Pin Configuration

The MF-RX375 features a radial leaded package with two pins for easy integration into circuit boards. The pin configuration is as follows: - Pin 1: Connected to the positive terminal - Pin 2: Connected to the negative terminal

Functional Features

• Resettable: The MF-RX375 can automatically reset after the fault condition is removed, eliminating the need for replacement.
• Overcurrent Protection: It provides reliable protection against overcurrent conditions, safeguarding the connected components.
• Low Resistance: With a low resistance of <0.05Ω, it minimally impacts the circuit's performance during normal operation.

Advantages and Disadvantages

Advantages

• Automatic reset capability
• Reliable overcurrent protection
• Low resistance for minimal impact on circuit performance

Disadvantages

• Limited maximum voltage rating of 60V
• Sensitive to extreme temperature conditions

Working Principles

The MF-RX375 operates based on the principle of polymer positive temperature coefficient (PTC). When an overcurrent condition occurs, the PTC material heats up, causing its resistance to increase significantly. This effectively limits the current flow, providing protection to the circuit. Once the fault is removed, the PTC material cools down, resetting the fuse for normal operation.

Detailed Application Field Plans

The MF-RX375 is suitable for a wide range of applications, including but not limited to: - Consumer Electronics - Automotive Electronics - Industrial Control Systems - Power Supplies - Battery Management Systems

Detailed and Complete Alternative Models

For applications requiring different specifications or form factors, the following alternative models can be considered: 1. MF-RX250: Similar characteristics with a lower hold current of 2.50A 2. MF-RX500: Higher hold and trip currents for increased protection capabilities 3. MF-RX600: Enhanced voltage rating of 72V for applications with higher voltage requirements

In conclusion, the MF-RX375 is a reliable resettable fuse with versatile applications across various industries. Its automatic reset capability, overcurrent protection, and low resistance make it a valuable component in modern electronic systems.

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