RXEF050S Product Overview

Introduction

The RXEF050S 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, Positive Temperature Coefficient
• Package: Radial Leaded
• Essence: Protects against overcurrent conditions
• Packaging/Quantity: Bulk packaging, quantity varies based on supplier

Specifications

• Hold Current: 0.5A
• Trip Current: 1A
• Maximum Voltage: 60V
• Operating Temperature Range: -40°C to 85°C
• Resistance: < 0.3Ω

Detailed Pin Configuration

The RXEF050S has a radial leaded package with two pins. Pin 1 is the positive terminal, and pin 2 is the negative terminal.

Functional Features

• Resettable: The PPTC device resets automatically after the fault condition is removed.
• Overcurrent Protection: Provides protection against overcurrent conditions, preventing damage to the circuit.

Advantages and Disadvantages

Advantages

• Resettable functionality increases product lifespan.
• Provides reliable overcurrent protection.
• Compact size for easy integration into circuits.

Disadvantages

• Limited maximum voltage rating compared to some alternative models.
• May have a higher initial cost compared to traditional fuses.

Working Principles

The RXEF050S operates based on the positive temperature coefficient effect. When an overcurrent condition occurs, the device heats up, causing its resistance to increase significantly, limiting the current flow and protecting the circuit. Once the fault is removed, the device cools down and returns to its low-resistance state.

Detailed Application Field Plans

The RXEF050S is commonly used in various electronic circuits and devices where overcurrent protection is required. Some specific applications include: - Battery protection in portable electronics - Power supply protection in consumer electronics - Automotive electronics for circuit protection

Detailed and Complete Alternative Models

Some alternative models to the RXEF050S include: - RXEF010: Lower hold and trip currents for more sensitive protection - RXEF100: Higher maximum voltage rating for increased versatility - RXEF200: Increased hold current for higher power applications

In conclusion, the RXEF050S is a resettable PPTC device that provides reliable overcurrent protection in electronic circuits. Its compact size and resettable nature make it a valuable component in various applications, despite some limitations in maximum voltage and cost. Understanding its specifications, working principles, and alternative models can aid in making informed decisions regarding its usage in electronic designs.

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