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Littelfuse RKEF500 Protection Device

This electronic protection device offers reliable overcurrent and overtemperature protection in various electronic systems. Suitable for use in communications, networking equipment, portable devices, and low-voltage circuits, it ensures safety with rapid trip times, low resistance, and high-voltage ratings up to 60V. RoHS and halogen-free compliant, this radial-leaded device features durable construction, thermal derating capabilities, and broad current ratings from 50mA to 15A. It is ideal for safeguarding sensitive electronics against damage caused by fault conditions, enhancing circuit protection and longevity.

Authorized Distributors
Source:Newark
Part No:RKEF500
Stock:2
Inv Date:05-28-2026
Price: Unit price: $1.37
Buy/RFQ:
Source:DigiKey
Part No:RKEF500
Stock:4090
Inv Date:05-28-2026
Price: Unit price: $1.45
Buy/RFQ:
Part No:RKEF500
Stock:4775
Inv Date:05-29-2026
Price: Unit price: $1.2
Buy/RFQ:
Part No:RKEF500
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.855
Buy/RFQ:
Source:Arrow EU
Part No:RKEF500
Stock:3250
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse RKEF500 Protection Device Specifications:

  • Voltage Rating: Up to 60V
  • Hold Current: from 50mA to 15A
  • Resistance: Low resistance at 20°C
  • Trip Time: Fast trip response under fault conditions
  • Operating Temperature: -40°C to +125°C
  • Lead Material: Tin-plated copper, steel options available
  • Solderability: Meets ANSI/J-STD-002 Category 3
  • Solder Heat Withstand: 10s at 260°C ±5°C
  • Environmental Resistance: Humidity, thermal cycling tested
  • RoHS and halogen-free compliant
  • Physical Dimensions: Refer to standard radial-leaded component sizes
  • Agency Recognition: UL, CSA, TUV, CQC
  • Application: Electronics protection in communication, industrial, consumer electronics

Buy the Buy Littelfuse Radial-Leaded Protection Part Number RKEF500 Online

Order the Littelfuse RKEF500 protection device online now to safeguard your electronic systems against overcurrent faults. This radial-leaded component provides rapid trip response, low resistance, and high voltage capacity up to 60V. Crafted with RoHS and halogen-free compliance, it offers robust durability suitable for communication equipment, networking hardware, and low-voltage circuits. Easy to install and compliant with UL, CSA, TUV standards, purchasing digitally guarantees quick delivery, consistent quality, and peace of mind for your electronic protection needs.

Get Littelfuse RKEF500 today—designed for reliable circuit protection in communication and low-voltage electronics, ensuring durability and safety.

Frequently Asked Questions

Where can I buy Littelfuse RKEF500?

You can click on the BUY or RFQ button to purchase RKEF500 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part RKEF500?

You can download the RKEF500 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of RKEF500?

Littelfuse

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