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Littelfuse RXEF250 PolySwitch Circuit Protector

The RXEF250 is a 2.5A resettable PolySwitch device with radial leads made from tin-plated copper wire (20 AWG). It features a high voltage rating of up to 72V, low hold currents down to 50mA, and fast trip times. Constructed with a flame-retardant epoxy insulation meeting UL94V-0 standards, it is ideal for high-volume electronics assembly and regulatory compliance. Suitable for industrial, communication, consumer electronics, and aerospace applications, it provides reliable overcurrent protection with low resistance and robust construction for a wide range of circuit protection needs.

Authorized Distributors
Source:DigiKey
Part No:RXEF250
Stock:19551
Inv Date:05-28-2026
Price: Unit price: $0.98
Buy/RFQ:
Part No:RXEF250
Stock:6189
Inv Date:05-29-2026
Price: Unit price: $0.81
Buy/RFQ:
Part No:RXEF250
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.34
Buy/RFQ:
Part No:RXEF250
Stock:39278
Inv Date:05-28-2026
Price: Unit price: $0.485
Buy/RFQ:
Source:Arrow EU
Part No:RXEF250
Stock:39750
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:
Part No:RXEF250
Stock:1
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse RXEF250 PolySwitch Circuit Protector Specifications:

  • Hold Current: 2.50A at 25°C
  • Maximum Voltage: 72V
  • Lead Material: Tin-plated copper wire, 20 AWG (0.82mm2)
  • Insulation: Flame-retardant epoxy polymer, UL94V-0
  • Trip Time: Fast response, suitable for quick circuit interruption
  • Electrical Resistance: Low initial resistance, ensuring minimal impact during normal operation
  • Operation Temperature Range: -40°C to 85°C
  • Regulatory Certifications: UL, CSA, TUV
  • Application Flexibility: Suitable for industrial controls, consumer electronics, networking devices, and more
  • RoHS & ELV Compliance: Yes, compliant for environmentally friendly manufacturing

Buy the Buy TE Circuit Protection PolySwitch Series RXEF250 Part Number RXEF250 Online

Secure your electronic circuits with TE Circuit Protection's RXEF250 PolySwitch device. Designed for high-volume manufacturing, it offers fast trip times, low resistance, and a high voltage rating of 72V, making it perfect for industrial, communication, and consumer electronics applications. Its construction with flame-retardant epoxy meets UL94V-0 standards, ensuring safety and reliability. Easy to install with radial leads, it helps meet regulatory requirements while providing durable and environmentally compliant overcurrent protection. Shop online now for quick delivery and exceptional circuit safety.

Order your TE Series RXEF250 resettable fuse today and ensure reliable overcurrent protection for your electronics projects with superior quality and compliance.

Frequently Asked Questions

Where can I buy Littelfuse RXEF250?

You can click on the BUY or RFQ button to purchase RXEF250 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part RXEF250?

You can download the RXEF250 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of RXEF250?

Littelfuse

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