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Littelfuse RXEF005 PolySwitch Circuit Protection Device

The product is a surface-mount PolySwitch resettable device designed for circuit protection in electronic applications. It features high current capacity, quick trip response, and RoHS compliance. Suitable for circuit boards, it avoids damage from overcurrent conditions, acting as a resettable fuse. The device has excellent electrical characteristics, thermal stability, and environmental resilience, meeting UL, CSA, and TUV standards. Its compact size makes it ideal for high-density electronic assemblies, providing reliable overcurrent protection with low resistance and quick recovery after fault conditions.

Authorized Distributors
Source:DigiKey
Part No:RXEF005
Stock:22431
Inv Date:05-28-2026
Price: Unit price: $0.48
Buy/RFQ:
Part No:RXEF005
Stock:814
Inv Date:05-29-2026
Price: Unit price: $0.4
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Part No:RXEF005
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.2
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Part No:RXEF005
Stock:4650
Inv Date:05-28-2026
Price: Unit price: $0.245
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Source:Arrow EU
Part No:RXEF005
Stock:31500
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:
Part No:RXEF005
Stock:15
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse RXEF005 PolySwitch Circuit Protection Device Specifications:

  • Lead Material: Tin-plated copper, 0.52mm2 (20AWG)
  • Solderability: Meets ANSI/J-STD-002 Category 3
  • Operation Temperature: -40°C to 125°C
  • Solder Heat withstand: 10 seconds at 260°C ±5°C
  • Electrical Ratings: Voltage ratings from 6V to 99V, current capacities up to 154A
  • Resistance: Max resistance varies as per model specifications, typically low ohmic values
  • Environmental Resilience: Resistance change within 5% after aging and humidity tests
  • Agency Recognition: UL, CSA, TUV
  • RoHS and ELV compliant
  • Physical Size: Varies by model, typical dimensions include length ~18 mm, width ~43-58 mm, height ~12-26 mm
  • Packaging: Tape & reel available for automated assembly, compliant with EIA standards

Buy the TE Circuit Protection – Reliable Circuit Protection Devices for Industrial Applications

Enhance your electronic protection with TE PolySwitch resettable devices. Designed for high current, quick response, and reliable performance. Perfect for high-density PCBs, industrial controls, and consumer electronics, these RoHS and UL recognized devices prevent circuit damage from overcurrent conditions. Easy to handle, with low resistance and high environmental resilience, they support safe and efficient operation. Buy online now to secure your devices with trusted, certified overload protection solutions that meet international standards, ensuring safety and compliance in your applications.

Order your TE series PolySwitch resettable devices today and ensure your electronic projects are protected with high-quality, RoHS-compliant overcurrent protection.

Frequently Asked Questions

Where can I buy Littelfuse RXEF005?

You can click on the BUY or RFQ button to purchase RXEF005 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part RXEF005?

You can download the RXEF005 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of RXEF005?

Littelfuse

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