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RUEF300U-2

RUEF300U-2 Product Overview

Introduction

The RUEF300U-2 is a vital component in the field of electronic circuit protection. This entry will provide an in-depth overview of the product, covering its category, use, characteristics, packaging, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category and Use

The RUEF300U-2 belongs to the category of resettable fuses, commonly used for overcurrent protection in various electronic circuits. Its primary use is to safeguard electronic devices from damage caused by excessive current flow.

Characteristics

The RUEF300U-2 is characterized by its resettable nature, allowing it to restore normal operation after the fault condition is removed. It is designed to handle moderate levels of current and offers reliable protection against short circuits and overloads.

Package and Quantity

The RUEF300U-2 is typically packaged in a compact form factor suitable for surface mount applications. It is commonly available in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Maximum Voltage: 30V
  • Hold Current: 3A
  • Trip Current: 6A
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The RUEF300U-2 features a standard SMD (Surface Mount Device) package with two terminals for easy integration into circuit boards. The detailed pin configuration includes the identification of the input and output terminals, ensuring proper installation and connectivity.

Functional Features

  • Resettable: Automatically restores operation after the fault is cleared.
  • Fast Response: Provides rapid protection against overcurrent conditions.
  • Compact Design: Space-efficient for integration into densely populated circuit boards.

Advantages and Disadvantages

Advantages

  • Resettable nature increases longevity and reliability.
  • Fast response time prevents prolonged exposure to overcurrent conditions.
  • Compact design enables versatile integration into various electronic devices.

Disadvantages

  • Limited maximum voltage and current handling capabilities compared to traditional fuses.
  • Sensitive to temperature extremes in certain operating environments.

Working Principles

The RUEF300U-2 operates based on the principle of positive temperature coefficient (PTC) behavior. When subjected to overcurrent conditions, the device's resistance increases, limiting the current flow and protecting the circuit. Once the fault is removed, the resistance decreases, allowing normal operation to resume.

Detailed Application Field Plans

The RUEF300U-2 finds extensive application in: - Consumer electronics - Automotive electronics - Industrial control systems - Telecommunications equipment

Its resettable nature and moderate current handling make it suitable for a wide range of electronic devices requiring reliable overcurrent protection.

Detailed and Complete Alternative Models

  • RUEF500U-2: Higher voltage and current handling capabilities for more demanding applications.
  • RUEF200U-2: Lower hold and trip currents for sensitive electronic components.
  • RUEF300U-4: Variant with enhanced temperature tolerance for harsh operating environments.

In conclusion, the RUEF300U-2 serves as a crucial component in electronic circuit protection, offering resettable overcurrent protection with notable advantages and specific limitations. Its application spans across diverse industries, and several alternative models cater to varying requirements within the field.

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