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Littelfuse RXEF0052 PolySwitch resettable circuit protector

Littelfuse PolySwitch radial-leaded devices are reliable PPTC circuit protection components ideal for overcurrent protection in electronic devices. The RXEF series features low hold currents down to 50mA, high voltage ratings up to 72V, and a wide range of form factors and termination methods. Made from flame-retardant epoxy polymer and RoHS compliant, these resettable devices protect circuits in applications like satellite receivers, industrial controls, and computer motherboards. They provide dependable, reusable protection against current surges and thermal faults, ensuring device safety and durability across diverse electronic environments.

Authorized Distributors
Source:Newark
Part No:RXEF005-2
Stock:345
Inv Date:05-28-2026
Price: Unit price: $0.069
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Source:DigiKey
Part No:RXEF005-2
Stock:11943
Inv Date:05-28-2026
Price: Unit price: $0.20412
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Part No:RXEF005-2
Stock:15595
Inv Date:05-29-2026
Price: Unit price: $0.51
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Part No:RXEF005-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.0085
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Part No:RXEF005-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.0085
Buy/RFQ:
Part No:RXEF005-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.255
Buy/RFQ:
Part No:RXEF005-2
Stock:35
Inv Date:05-29-2026
Price: N/A
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Littelfuse RXEF0052 PolySwitch resettable circuit protector Specifications:

  • Maximum Voltage: 72V
  • Hold Current Range: 0.05A to 3.75A
  • Trip Current: 0.08A to 5.10A
  • Resistance (at 20°C): Ruy 0.05Ω to 3.60Ω
  • Maximum Resistance Post-Trip: Not specified
  • Maximum Continuous Voltage: 72V
  • Power Dissipation: Up to 3.2W (in tripped state)
  • Lead Material: Tin-plated Nickel-copper Alloy or Copper-based Steel
  • Lead Size: 0.205mm (24 AWG) to 0.52mm (20 AWG)
  • Operation Temperature Range: -40°C to 85°C
  • Environmental Resistance: +5% to +10% resistance change after aging tests
  • Solderability: Meets ANSI/J-STD-002 Category 1 & 3 standards

Buy the Littelfuse Series RXEF Overcurrent Protection: RXEF0052

Purchase your Littelfuse PolySwitch overcurrent protection device online today to safeguard your electronic circuits efficiently. These high-quality resettable PPTC components provide reliable protection against current surges and thermal faults, ensuring device safety and performance. Suitable for various applications including industrial controls, communication equipment, and consumer electronics, they feature low hold currents up to 72V and are RoHS compliant. Investing in authentic online orders guarantees quick delivery, excellent customer support, and the peace of mind that your projects are protected with industry-grade components.

Order your Littelfuse Series RXEF Overcurrent Protection device today and ensure safe, reliable circuit protection for your electronic projects.

Frequently Asked Questions

Where can I buy Littelfuse RXEF0052?

You can click on the BUY or RFQ button to purchase RXEF0052 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part RXEF0052?

You can download the RXEF0052 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of RXEF0052?

Littelfuse

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