MF-R090-0-9-99 Product Overview

Introduction

The MF-R090-0-9-99 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, 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, Reliable, Compact
• Package: SMD (Surface Mount Device)
• Essence: Provides overcurrent protection in electronic circuits
• Packaging/Quantity: Typically packaged in reels of 3000 units

Specifications

• Operating Voltage: 30V
• Hold Current: 0.9A
• Trip Current: 1.8A
• Max Current: 40A
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The MF-R090-0-9-99 features a standard SMD pin configuration with two terminals for surface mounting onto circuit boards.

Functional Features

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

Advantages and Disadvantages

Advantages

• Automatic reset capability
• Reliable overcurrent protection
• Compact form factor

Disadvantages

• Limited maximum current handling capacity
• Sensitivity to temperature variations

Working Principles

The MF-R090-0-9-99 operates based on the principle of positive temperature coefficient (PTC) behavior. When an overcurrent condition occurs, 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-R090-0-9-99 is widely used in various electronic applications, including: - Consumer Electronics - Automotive Electronics - Industrial Control Systems - Telecommunications Equipment - Power Supplies

Detailed and Complete Alternative Models

For applications requiring different specifications or form factors, alternative models to consider include: - MF-R050-0-9-99: Lower hold current variant - MF-R110-0-9-99: Higher hold current variant - MF-R160-0-9-99: Extended temperature range variant

In conclusion, the MF-R090-0-9-99 resettable fuse offers reliable overcurrent protection in a compact SMD package, making it suitable for a wide range of electronic applications.

[Word Count: 387]