MF-RX185-AP Product Overview

Introduction

The MF-RX185-AP is a versatile electronic component that belongs to the category of surface mount resettable fuses. This entry provides an in-depth overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Surface Mount Resettable Fuse
• Use: Overcurrent Protection
• Characteristics: Resettable, Surface Mountable, Fast-acting
• Package: Tape and Reel
• Essence: Provides overcurrent protection in electronic circuits
• Packaging/Quantity: Available in reels of 3000 units

Specifications

• Operating Voltage: 60V
• Hold Current: 1.85A
• Trip Current: 3.7A
• Max Current: 40A
• Operating Temperature Range: -40°C to 85°C
• Resistance: <0.05Ω

Detailed Pin Configuration

The MF-RX185-AP features a standard SMD (Surface Mount Device) pin configuration with two terminals for easy integration into circuit boards.

Functional Features

• Resettable: Automatically resets after the fault condition is removed
• Fast-Acting: Provides rapid overcurrent protection
• Compact Design: Space-saving surface mount package
• Reliable Performance: Ensures consistent protection in various applications

Advantages and Disadvantages

Advantages

• Resettable nature increases longevity
• Fast-acting response protects sensitive components
• Compact design saves space on PCBs

Disadvantages

• Limited maximum current handling compared to traditional fuses
• Sensitive to voltage fluctuations

Working Principles

The MF-RX185-AP operates based on the principle of positive temperature coefficient (PTC). When an overcurrent condition occurs, the device's resistance increases, limiting the current flow and protecting the circuit. Once the fault is removed, the device resets to its initial state.

Detailed Application Field Plans

The MF-RX185-AP is widely used in various electronic applications, including: - Consumer Electronics - Automotive Electronics - Industrial Control Systems - Telecommunications Equipment - Power Supplies

Detailed and Complete Alternative Models

• MF-RX110-AP: Lower hold current variant
• MF-RX250-AP: Higher hold current variant
• MF-RX185-BP: Through-hole mount version

In conclusion, the MF-RX185-AP is a reliable surface mount resettable fuse offering fast-acting overcurrent protection in a compact form factor. Its resettable nature and fast response make it suitable for a wide range of electronic applications, despite its limitations in maximum current handling. Understanding its specifications, pin configuration, functional features, and application field plans can aid in effectively integrating this component into electronic designs.

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