RXEF005-2

Product Overview

RXEF005-2 is a resettable polymeric positive temperature coefficient (PPTC) device belonging to the category of circuit protection components. It is commonly used to protect electronic circuits from overcurrent and short-circuit conditions. The device exhibits characteristics such as self-recovery, compact packaging, and high reliability. It is typically packaged in tape and reel format and is available in various quantities to suit different application needs.

Specifications

• Operating Voltage: 6V
• Hold Current: 0.05A
• Trip Current: 0.1A
• Maximum Current: 40A
• Operating Temperature Range: -40°C to 85°C
• Package Type: Surface Mount
• Package Quantity: 3000 units per reel

Detailed Pin Configuration

The RXEF005-2 PPTC device has a surface mount package with two terminals. The detailed pin configuration includes the identification of the positive and negative terminals, ensuring proper installation and connection within the circuit.

Functional Features

• Self-Recovery: After the overcurrent or short-circuit condition is removed, the device resets itself automatically, eliminating the need for manual intervention.
• Compact Design: The small form factor of the device allows for space-efficient integration into electronic circuits.
• Reliable Protection: The PPTC device provides reliable protection against overcurrent events, safeguarding sensitive electronic components.

Advantages and Disadvantages

Advantages

• Self-recovery feature reduces maintenance requirements.
• Compact design enables versatile integration into various circuit layouts.
• Reliable protection enhances the longevity of electronic devices.

Disadvantages

• Limited maximum current handling capacity compared to some alternative solutions.
• May exhibit a slight increase in resistance after tripping, affecting circuit performance.

Working Principles

When the current flowing through the device exceeds the trip current, the PPTC material undergoes a rapid increase in resistance, limiting the current flow and protecting the circuit. Once the fault condition is removed, the PPTC material cools down, allowing the device to return to its low-resistance state.

Detailed Application Field Plans

The RXEF005-2 PPTC device finds extensive application in various electronic systems, including: - Overcurrent protection in battery management systems - Short-circuit protection in power distribution units - Circuit protection in automotive electronics - Overload protection in consumer electronics

Detailed and Complete Alternative Models

Several alternative models to RXEF005-2 include: - RXEF010-2: A similar PPTC device with a higher trip current rating - RXEF003-2: A lower trip current variant suitable for more sensitive electronic components - RXEF007-2: An alternative with enhanced current handling capabilities for heavy-duty applications

In conclusion, the RXEF005-2 PPTC device offers reliable overcurrent and short-circuit protection with its self-recovery feature and compact design. While it may have limitations in maximum current handling, its versatility and reliability make it a popular choice in various electronic applications.

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