RXEF090S-2

Introduction

The RXEF090S-2 is a resettable polymeric positive temperature coefficient (PPTC) device that belongs 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 Lead Form
• Essence: Provides overcurrent protection by increasing resistance when current exceeds a certain threshold
• Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

• Maximum Voltage: 60V
• Hold Current: 0.9A
• Trip Current: 1.8A
• Operating Temperature Range: -40°C to 85°C
• Resistance: <0.1Ω (Initial), >5Ω (Tripped)

Detailed Pin Configuration

The RXEF090S-2 features a radial lead form with two leads for easy integration into circuit boards. The pin configuration is as follows: - Pin 1: Connected to the positive terminal - Pin 2: Connected to the negative terminal

Functional Features

• Resettable: Returns to low resistance state after the fault condition is removed
• Overcurrent Protection: Safeguards electronic circuits from excessive currents
• Compact Design: Space-efficient for various applications

Advantages and Disadvantages

Advantages

• Resettable nature increases longevity
• Provides reliable overcurrent protection
• Compact size for versatile use

Disadvantages

• Trip time may vary based on ambient temperature
• Initial resistance may cause voltage drop in sensitive circuits

Working Principles

The RXEF090S-2 operates based on the PPTC effect, where its resistance increases with temperature rise due to overcurrent conditions. When the fault is removed, the device cools down and returns to its low-resistance state.

Detailed Application Field Plans

The RXEF090S-2 finds extensive use in various electronic applications, including: - Power Supplies - Battery Packs - Automotive Electronics - Consumer Electronics

Detailed and Complete Alternative Models

For those seeking alternatives to the RXEF090S-2, the following models can be considered: - RXEF110S-2 - RXEF070S-2 - RXEF120S-2

In conclusion, the RXEF090S-2 offers reliable overcurrent protection with its resettable PPTC design, making it suitable for diverse electronic applications.

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