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Littelfuse RXEF1852 Overcurrent Protector Device

Littelfuse PolySwitch radial-leaded devices like the RXEF series offer low hold currents down to 50mA and high voltage ratings up to 72V. These resettable overcurrent protectors are suitable for a variety of applications including industrial controls, satellite receivers, and computer motherboards. Made with flame-retardant epoxy polymer and compliant with RoHS, UL, CSA, and TUV standards, they feature different form factors, lead materials, and packaging options. Designed for reliable overcurrent protection, these devices withstand temperatures from -40°C to 85°C and are available in tape and reel packaging for automated assembly.

Authorized Distributors
Source:Newark
Part No:RXEF185-2
Stock:150
Inv Date:05-28-2026
Price: Unit price: $0.855
Buy/RFQ:
Source:DigiKey
Part No:RXEF185-2
Stock:11304
Inv Date:05-28-2026
Price: Unit price: $0.3455
Buy/RFQ:
Part No:RXEF185-2
Stock:108
Inv Date:05-29-2026
Price: Unit price: $0.79
Buy/RFQ:
Part No:RXEF185-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.415
Buy/RFQ:
Part No:RXEF185-2
Stock:47
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse RXEF1852 Overcurrent Protector Device Specifications:

  • Operating Temperature: -40°C to 85°C
  • Material: Flame-retardant epoxy polymer
  • Solderability: Meets ANSI/J-STD-002 Category 1 and IEC-STD 68-2-20
  • Dimensions: Varies by model, length approximately 20.40mm to 20.51mm, lead diameter 0.205mm to 0.52mm
  • Lead Material: Tin-plated Nickel-copper Alloy, Copper-based Steel or Copper with specific diameters
  • Environmental Resistance: +5% resistance change after 1000 hrs at -40°C; +10% at 85°C, humidity, and aging
  • Packaging: Tape and reel with specific dimensions and spacing for automation
  • Electrical: Hold currents from 0.05A to 3.75A, voltage ratings up to 72V, maximum resistance and trip characteristics detailed per model.

Buy the Littelfuse Series RXEF Overcurrent Protector: RXEF1852

Secure your electronic circuits with the Littelfuse RXEF1852, a reliable radial leaded PPTC device offering high voltage protection up to 72V, low hold currents, and RoHS, UL, CSA compliance. Designed for a broad range of electrical applications, it features robust construction with flame-retardant epoxy, ensuring safety and durability. Easy to install with tape and reel packaging, this device provides dependable resettable overcurrent protection for industrial controls, computers, and communication equipment. Shop online today for trusted overcurrent protection solutions that enhance device longevity and safety.

Buy Littelfuse RXEF1852 now and experience unmatched reliability and performance in overcurrent protection for electronic circuits.

Frequently Asked Questions

Where can I buy Littelfuse RXEF1852?

You can click on the BUY or RFQ button to purchase RXEF1852 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part RXEF1852?

You can download the RXEF1852 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of RXEF1852?

Littelfuse

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