RXEF030S-2

Introduction

The RXEF030S-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, Positive Temperature Coefficient
• Package: Surface Mount
• Essence: Provides overcurrent protection by increasing resistance in response to excessive current flow
• Packaging/Quantity: Typically available in reels or tape and reel packaging with varying quantities

Specifications

• Maximum Voltage: 60V
• Hold Current: 0.30A
• Trip Current: 0.60A
• Operating Temperature Range: -40°C to 85°C
• Resistance: <0.3Ω (Initial), >5Ω (Trip)

Detailed Pin Configuration

The RXEF030S-2 typically features two pins for surface mount installation. The specific pin configuration is as follows: - Pin 1: [Description] - Pin 2: [Description]

Functional Features

• Resettable: Returns to low resistance state after the fault condition is removed
• Overcurrent Protection: Safeguards the circuit by limiting excessive current flow
• Polymeric PTC: Utilizes polymeric materials to achieve positive temperature coefficient characteristics

Advantages and Disadvantages

Advantages

• Resettable nature allows for repeated protection
• Fast response time to overcurrent conditions
• Small form factor suitable for compact designs

Disadvantages

• Limited maximum voltage and current ratings compared to some non-resettable alternatives
• Trip current may not be adjustable for specific applications

Working Principles

The RXEF030S-2 operates based on the positive temperature coefficient effect of the polymeric material. Under normal operating conditions, it maintains a low resistance state. When an overcurrent event occurs, the device self-heats, causing its resistance to increase significantly, thereby limiting the current flow through the circuit. Once the fault condition is removed, the device cools down and returns to its low resistance state.

Detailed Application Field Plans

The RXEF030S-2 finds application in various electronic circuits requiring overcurrent protection, such as: - Battery Management Systems - Power Supplies - Automotive Electronics - Consumer Electronics

Detailed and Complete Alternative Models

• RXEF010S-2: Lower hold and trip currents
• RXEF050S-2: Higher hold and trip currents
• RXEF030S-3: Different package type or form factor

In conclusion, the RXEF030S-2 offers resettable overcurrent protection with specific voltage, current, and temperature ratings. Its compact size and fast response make it suitable for various electronic applications, especially those requiring repeated protection from overcurrent events.

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