RXEF300

Product Overview

Belongs to: Electronic Components
Category: Resettable Fuses
Use: Overcurrent Protection
Characteristics: Fast-acting, Resettable, Surface Mount
Package: Radial Leaded
Essence: Provides overcurrent protection in electronic circuits
Packaging/Quantity: Bulk packaging, 100 pieces per pack

Specifications

• Voltage Rating: 30V
• Current Rating: 3A
• Operating Temperature Range: -40°C to 85°C
• Resistance: <0.1Ω

Detailed Pin Configuration

The RXEF300 has two radial leads for easy surface mount installation.

Functional Features

• Fast-acting resettable fuse
• Provides overcurrent protection in electronic circuits
• Suitable for a wide range of applications
• Compact and easy to install

Advantages and Disadvantages

Advantages: - Resettable design for convenience - Fast-acting response to overcurrent conditions - Wide operating temperature range

Disadvantages: - Limited voltage and current ratings compared to some alternatives - Radial leaded package may not be suitable for all applications

Working Principles

The RXEF300 operates based on the principle of positive temperature coefficient (PTC) resistance. When an overcurrent condition occurs, the resistance of the fuse increases rapidly, limiting the current flow and protecting the circuit. Once the fault is removed, the fuse resets itself, allowing normal operation to resume.

Detailed Application Field Plans

The RXEF300 is suitable for a variety of electronic applications, including: - Consumer electronics - Automotive electronics - Industrial control systems - Power supplies - LED lighting

Detailed and Complete Alternative Models

• RXEF110: 11V, 1A
• RXEF250: 25V, 2.5A
• RXEF500: 50V, 5A
• RXEF750: 75V, 7.5A

In conclusion, the RXEF300 resettable fuse offers fast-acting overcurrent protection with the convenience of a resettable design. While it has limitations in terms of voltage and current ratings, it is well-suited for various electronic applications and is available in bulk packaging for ease of use.

Word count: 298