MF-R090-AP-9 Product Overview

Introduction

The MF-R090-AP-9 is a versatile electronic component that belongs to the category of resettable fuses. This entry provides an in-depth overview of the product, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, 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 device (SMD)
• Essence: Protecting electronic circuits from overcurrent conditions
• Packaging/Quantity: Typically packaged in reels of 3000 units

Specifications

• Operating Voltage: 6V
• Hold Current: 0.9A
• Trip Current: 1.8A
• Maximum Current: 40A
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The MF-R090-AP-9 features a standard SMD pin configuration with two terminals for easy integration into circuit boards.

Functional Features

• Resettable: Automatically resets after the fault condition is removed
• Overcurrent Protection: Safeguards electronic circuits from excessive current flow
• Compact Design: Space-saving SMD package for efficient PCB layout

Advantages and Disadvantages

Advantages

• Reliable overcurrent protection
• Automatic reset reduces maintenance efforts
• Compact size for space-constrained applications

Disadvantages

• Limited maximum current handling compared to traditional fuses
• Sensitive to temperature variations

Working Principles

The MF-R090-AP-9 operates based on the principle of positive temperature coefficient (PTC) behavior. When an overcurrent condition occurs, the resistance of the device increases, limiting 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-R090-AP-9 is widely used in various electronic devices and systems, including: - Consumer electronics - Automotive electronics - Industrial control systems - Power supplies - Telecommunications equipment

Detailed and Complete Alternative Models

• MF-R050-0-99: Lower hold current variant
• MF-R110-0-99: Higher hold current variant
• MF-R160-0-99: Higher maximum current variant

In conclusion, the MF-R090-AP-9 resettable fuse offers reliable overcurrent protection with its compact design and automatic reset functionality. While it has limitations in maximum current handling, its widespread application in diverse electronic systems makes it a valuable component in modern circuit protection solutions.

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