MF-R020-2-99 Product Overview

Introduction

The MF-R020-2-99 is a resettable fuse belonging to the category of electronic components. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Electronic Components
• Use: The MF-R020-2-99 is used as a resettable fuse in electronic circuits to protect against overcurrent and short circuit conditions.
• Characteristics: It has a low resistance and high current-carrying capacity, making it suitable for various electronic applications.
• Package: The MF-R020-2-99 is typically available in surface mount packages.
• Essence: Its essence lies in providing reliable overcurrent protection in electronic circuits.
• Packaging/Quantity: It is commonly packaged in reels or tape and reel packaging, with varying quantities based on manufacturer specifications.

Specifications

• Rated Current: 0.2A
• Hold Current: 0.4A
• Maximum Voltage: 30V
• Operating Temperature Range: -40°C to 85°C
• Resistance: <0.3Ω

Detailed Pin Configuration

The MF-R020-2-99 typically consists of two pins for connection within the circuit. The specific pin configuration may vary based on the manufacturer's design and package type.

Functional Features

• Resettable: The MF-R020-2-99 is resettable, allowing it to automatically recover after the fault condition is removed.
• Overcurrent Protection: It provides effective protection against overcurrent and short circuit conditions, safeguarding the connected electronic components.

Advantages and Disadvantages

Advantages

• Resettable nature allows for reuse after fault clearance
• High current-carrying capacity
• Effective protection against overcurrent conditions

Disadvantages

• Limited voltage and current ratings compared to traditional fuses
• Sensitive to ambient temperature variations

Working Principles

The MF-R020-2-99 operates based on the principle of positive temperature coefficient (PTC) resistance. When an overcurrent condition occurs, the device heats up, causing its resistance to increase and limit the current flow. Once the fault is cleared, the device cools down and returns to its low-resistance state.

Detailed Application Field Plans

The MF-R020-2-99 is commonly used in various electronic applications, including: - Consumer electronics - Automotive electronics - Industrial control systems - Power supplies - Telecommunications equipment

Detailed and Complete Alternative Models

• MF-R005: Lower rated current variant
• MF-R030: Higher rated current variant
• MF-MSMF: Surface mount PTC resettable fuses from another manufacturer

In conclusion, the MF-R020-2-99 resettable fuse offers reliable overcurrent protection in electronic circuits, with its resettable nature and high current-carrying capacity being key advantages. However, it is important to consider its limitations in voltage and current ratings when selecting it for specific applications.

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