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RXEF090S-2

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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Перечислите 10 распространенных вопросов и ответов, связанных с применением RXEF090S-2 в технических решениях.

  1. What is the maximum operating temperature of RXEF090S-2?

    • The maximum operating temperature of RXEF090S-2 is 125°C.
  2. What is the hold current of RXEF090S-2?

    • The hold current of RXEF090S-2 is 0.9A.
  3. What is the voltage rating of RXEF090S-2?

    • RXEF090S-2 has a voltage rating of 72V.
  4. What is the typical resistance of RXEF090S-2?

    • The typical resistance of RXEF090S-2 is 0.09 ohms.
  5. What are the applications of RXEF090S-2 in technical solutions?

    • RXEF090S-2 is commonly used in battery packs, power supplies, and various electronic circuits for overcurrent protection.
  6. Is RXEF090S-2 RoHS compliant?

    • Yes, RXEF090S-2 is RoHS compliant, making it suitable for environmentally conscious applications.
  7. What is the response time of RXEF090S-2?

    • The response time of RXEF090S-2 is typically less than 5 seconds.
  8. Can RXEF090S-2 be used in automotive electronics?

    • Yes, RXEF090S-2 is suitable for use in automotive electronics due to its reliability and performance.
  9. Does RXEF090S-2 have any agency certifications?

    • RXEF090S-2 is UL recognized and meets the requirements of the IEC 60127-4 standard.
  10. What are the recommended soldering conditions for RXEF090S-2?

    • The recommended soldering conditions for RXEF090S-2 include a maximum soldering temperature of 260°C for 10 seconds.