MF-RHT550-0 Product Overview

Introduction

The MF-RHT550-0 is a versatile and reliable component that belongs to the category of resettable fuses. This product is widely used in various electronic applications due to its unique characteristics, packaging, and functional features.

Basic Information Overview

• Category: Resettable Fuse
• Use: Overcurrent protection in electronic circuits
• Characteristics: Resettable, compact, reliable
• Package: Surface mount device (SMD)
• Essence: Provides overcurrent protection by interrupting the flow of current when a fault occurs
• Packaging/Quantity: Typically supplied in reels or tape and reel packaging, quantity varies based on supplier

Specifications

• Operating Voltage: 6V to 60V
• Hold Current: 5.5A
• Trip Current: 11A
• Maximum Current: 100A
• Operating Temperature: -40°C to 85°C
• Agency Approvals: UL, TUV

Detailed Pin Configuration

The MF-RHT550-0 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
• Compact Design: Space-saving SMD package for efficient PCB layout

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited maximum current handling compared to traditional fuses
• Sensitivity to ambient temperature variations

Working Principles

The MF-RHT550-0 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-RHT550-0 is commonly used in various electronic devices and systems, including: - Power supplies - Battery management systems - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

1. MF-RHT650-0: Higher hold and trip currents for increased protection
2. MF-RHT450-0: Lower hold and trip currents for more sensitive applications
3. MF-RHT350-0: Compact version with lower current ratings for space-constrained designs

In conclusion, the MF-RHT550-0 resettable fuse offers reliable overcurrent protection in a compact SMD package, making it an ideal choice for a wide range of electronic applications.

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