MF-RM025/240-0 Product Overview

Introduction

The MF-RM025/240-0 belongs to the category of resettable fuses and is designed for use in various electronic applications. This product offers unique characteristics, packaging, and quantity options that make it suitable for a wide range of circuit protection needs.

Basic Information Overview

Category: Resettable Fuse
Use: Circuit Protection
Characteristics: Resettable, Overcurrent Protection
Package: Tape and Reel
Essence: Provides reliable overcurrent protection for electronic circuits
Packaging/Quantity: Available in reels of 1000 units

Specifications

Voltage Rating: 240V
Hold Current: 250mA
Trip Current: 500mA
Operating Temperature Range: -40°C to 85°C
Maximum Time-to-Trip: 20 seconds at 1.5x current rating

Detailed Pin Configuration

The MF-RM025/240-0 features a standard radial leaded package with two pins. Pin 1 is the input terminal, while pin 2 serves as the output terminal.

Functional Features

Resettable: Automatically resets after the fault condition is removed
Overcurrent Protection: Safeguards electronic circuits from excessive currents
Fast Trip Time: Reacts quickly to overcurrent events, minimizing potential damage

Advantages and Disadvantages

Advantages

Reliable overcurrent protection
Resettable functionality reduces maintenance requirements
Fast response time enhances circuit protection

Disadvantages

Limited hold current capacity compared to some non-resettable fuses
Sensitive to ambient temperature variations

Working Principles

The MF-RM025/240-0 operates based on the principle of positive temperature coefficient (PTC) behavior. When an overcurrent condition occurs, the device's resistance increases, limiting the current flow and protecting the circuit. Once the fault is cleared, the fuse resets to its initial state.

Detailed Application Field Plans

This resettable fuse is well-suited for various applications, including: - Consumer Electronics - Automotive Electronics - Industrial Control Systems - Power Supplies - Battery Management Systems

Detailed and Complete Alternative Models

MF-RM065/240-0: Higher hold current variant for increased protection
MF-RM012/240-0: Lower hold current variant for more sensitive applications
MF-RM040/240-0: Medium hold current variant offering a balance between sensitivity and protection level

In conclusion, the MF-RM025/240-0 resettable fuse provides reliable overcurrent protection with the added benefit of automatic reset functionality. Its specifications, functional features, and application versatility make it a valuable component in various electronic systems.

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