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Littelfuse RXEF090 PolySwitch Fast Trip Fuse

The RXEF090 is a standard, kinked radial-lead polymeric positive temperature coefficient (PPTC) resettable fuse. It features a coated construction that supports high-volume electronics assembly. This device offers fast trip times, making it suitable for various applications such as industrial equipment, communications and networking systems, automation and process control, and consumer electronics. Its higher voltage ratings help meet regulatory requirements and expand its usability in new applications.

Authorized Distributors
Source:Newark
Part No:RXEF090
Stock:5393
Inv Date:05-28-2026
Price: Unit price: $0.556
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Source:DigiKey
Part No:RXEF090
Stock:13627
Inv Date:05-28-2026
Price: Unit price: $0.58
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Part No:RXEF090
Stock:11695
Inv Date:05-29-2026
Price: Unit price: $0.49
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Part No:RXEF090
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.22
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Part No:RXEF090
Stock:28000
Inv Date:05-28-2026
Price: Unit price: $0.193
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Source:Arrow EU
Part No:RXEF090
Stock:64000
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:
Part No:RXEF090
Stock:263
Inv Date:05-29-2026
Price: N/A
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Littelfuse RXEF090 PolySwitch Fast Trip Fuse Specifications:

  • Voltage Rating: 60V
  • Hold Current: 0.05A to 0.75A depending on model
  • Maximum Voltage: 60V
  • Maximum Power Dissipation: 5.0 W
  • Trip Time: Fast response
  • Resistance Range: 0.22Ω to 3.20Ω at 20°C
  • Lead Material: Tin-plated Nickel-copper Alloy, 0.128mm² (26AWG), 0.40mm (0.016in)
  • Solderability: Meets ANSI/J-STD-002 Category 3
  • Operating Temperature: -40°C to +85°C
  • Dimensions: Length approximately 8.0–16.0 mm, width approximately 4.3 mm, lead spacing 2.54 mm
  • Compliance: RoHS and ELV compliant
  • Mounting: Radial-lead, kinked design support high-volume assembly

Buy the Littelfuse Series Rigid Conductive: Protective Fuse: RXEF090

Order the Littelfuse RXEF090 polymeric positive temperature coefficient resettable fuse online today. Engineered for quick trip times, high voltage capability, and supported by certifications like UL, CSA, and TUV. Designed for industrial, communications, automation, and consumer electronics applications, it ensures reliable overcurrent protection while supporting high-volume manufacturing needs. Its rugged radial-lead construction and RoHS compliance make it ideal for a wide range of demanding electrical systems. Purchase now for a trusted, durable circuit safety solution.

Get Littelfuse RXEF090 today—built for high-volume electronics and ensuring fast protection against overcurrent faults.

Frequently Asked Questions

Where can I buy Littelfuse RXEF090?

You can click on the BUY or RFQ button to purchase RXEF090 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part RXEF090?

You can download the RXEF090 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of RXEF090?

Littelfuse

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