RXEF050-2

Introduction

The RXEF050-2 is a resettable polymeric positive temperature coefficient (PPTC) device belonging to the category of electronic components. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Electronic Components
• Use: Overcurrent Protection
• Characteristics: Resettable, Polymeric Material, Positive Temperature Coefficient
• Package: Radial Lead Form
• Essence: Protects against overcurrent events by increasing resistance when the current exceeds the threshold.
• Packaging/Quantity: Typically packaged in reels or bulk quantities for production use.

Specifications

The RXEF050-2 has a nominal hold current of 0.5A and a maximum voltage rating of 60V DC. It exhibits a low initial resistance and activates when the current exceeds the specified threshold, providing protection against overcurrent events.

Detailed Pin Configuration

The RXEF050-2 features a radial lead form with two leads for easy integration into circuit designs. The pin configuration allows for straightforward installation and connection within electronic circuits.

Functional Features

The primary function of the RXEF050-2 is to protect electronic circuits from overcurrent events. When the current exceeds the threshold, the PPTC device undergoes a rapid increase in resistance, limiting the current flow and protecting downstream components.

Advantages and Disadvantages

Advantages: - Resettable functionality allows for repeated protection without replacement. - Rapid response to overcurrent events. - Compact size for integration into various electronic designs.

Disadvantages: - Limited maximum voltage rating compared to some alternative devices. - May exhibit higher initial resistance compared to traditional fuses.

Working Principles

The RXEF050-2 operates based on the positive temperature coefficient effect of the polymeric material. As the current passing through the device increases, the temperature rises, causing the resistance to surge, effectively limiting the current flow and providing protection to the circuit.

Detailed Application Field Plans

The RXEF050-2 is commonly used in electronic circuits where overcurrent protection is essential. It finds applications in power supplies, battery management systems, automotive electronics, and various consumer electronic devices where protection against overcurrent events is critical.

Detailed and Complete Alternative Models

1. RXEF010-2: Similar resettable PPTC device with a lower hold current rating.
2. RXEF075-2: Resettable PPTC device with a higher hold current rating for increased protection.

In conclusion, the RXEF050-2 serves as a crucial component in electronic circuits, providing reliable overcurrent protection through its resettable PPTC functionality. Its compact design and rapid response make it suitable for a wide range of applications, although designers should consider its voltage limitations and initial resistance when selecting the appropriate protection component for their specific needs.

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