RXEF300K-2

Introduction

The RXEF300K-2 is a resettable fuse belonging to the category of electronic components. This device is designed to protect circuits from overcurrent and short circuit conditions, ensuring the safety and reliability of electronic systems.

Basic Information Overview

• Category: Electronic component
• Use: Overcurrent and short circuit protection
• Characteristics: Resettable, reliable, compact
• Package: Surface mount
• Essence: Protection of electronic circuits
• Packaging/Quantity: Typically packaged in reels of 3000 units

Specifications

• Rated Voltage: 60V
• Hold Current: 3A
• Trip Current: 6A
• Operating Temperature Range: -40°C to 85°C
• Resistance: <0.05Ω

Detailed Pin Configuration

The RXEF300K-2 features a surface mount package with two terminals for easy integration into circuit boards.

Functional Features

• Resettable design allows for multiple uses
• Fast response time to protect against overcurrent events
• Compact size enables integration into space-constrained designs

Advantages and Disadvantages

Advantages

• Resettable functionality increases product lifespan
• Fast response time enhances circuit protection
• Compact size facilitates integration into various applications

Disadvantages

• Limited hold current compared to some non-resettable fuses
• Sensitive to temperature variations

Working Principles

The RXEF300K-2 operates based on the principle of positive temperature coefficient (PTC) resistance. When an overcurrent or short circuit occurs, the device heats up, causing its resistance to increase and limit the current flow through the circuit. Once the fault is removed, the device cools down and returns to its low-resistance state.

Detailed Application Field Plans

The RXEF300K-2 is suitable for a wide range of applications, including: - Consumer electronics - Automotive electronics - Industrial control systems - Telecommunications equipment

Detailed and Complete Alternative Models

• RXEF110-2: 1.1A hold current, 2.2A trip current
• RXEF500-2: 5A hold current, 10A trip current
• RXEF700-2: 7A hold current, 14A trip current

In conclusion, the RXEF300K-2 resettable fuse offers reliable overcurrent and short circuit protection for a variety of electronic applications, making it a valuable component in ensuring the safety and longevity of electronic systems.

[Word count: 345]