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Littelfuse RUEF5002 Overcurrent Protection Device

Littelfuse RUEF series radial leaded PolySwitch devices provide reliable overcurrent protection suitable for various electronic applications. Designed for a voltage rating of 30V and hold currents up to 9A, these resettable and single-use devices feature RoHS compliance, lead-free, and halogen-free materials. They are ideal for applications like industrial controls, satellite receivers, computer motherboards, and USB ports. The devices withstand high temperatures, voltages, and fault conditions, ensuring safety and durability in demanding environments while maintaining minimal resistance and precise trip characteristics.

Authorized Distributors
Source:Newark
Part No:RUEF500-2
Stock:263
Inv Date:05-28-2026
Price: Unit price: $0.968
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Source:Newark
Part No:RUEF500-2
Stock:4500
Inv Date:05-28-2026
Price: Unit price: $0.87
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Source:DigiKey
Part No:RUEF500-2
Stock:23410
Inv Date:05-28-2026
Price: Unit price: $0.39239
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Part No:RUEF500-2
Stock:2409
Inv Date:05-29-2026
Price: Unit price: $0.89
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Part No:RUEF500-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.51
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Part No:RUEF500-2
Stock:265
Inv Date:05-29-2026
Price: N/A
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Littelfuse RUEF5002 Overcurrent Protection Device Specifications:

  • Voltage Rating: 30V
  • Hold Current: up to 9A
  • Trip Current: 180mA to 18A
  • Maximum Resistance: 0.22Ω to 0.05Ω depending on model
  • Maximum Continuous Voltage: 30V
  • Surge Current: varies by model, up to 700A
  • Temperature Range: -40°C to 85°C
  • Material: Tin-plated copper or copper-clad steel (24AWG to 20AWG)
  • Solderability: ANSI/J-STD-002 Category 3
  • Operating Temperature: -40°C to 85°C
  • Resistance Change After Aging: ≤ +5%
  • Packaging: Tape and reel, compliant with IEC standards
  • Dimensions: Refer to datasheet with specific measurements in mm/inch
  • Environmental Resistance: Moisture, thermal shock, and humidity resistant

Buy the Littelfuse RUEF – Reliable Overcurrent Protection Devices for Industrial Applications

Secure your electronic systems with Littelfuse RUEF series radial leaded PolySwitch devices, offering dependable overcurrent protection. Designed for 30V applications with up to 9A hold current, these RoHS-compliant, lead-free devices ensure safety, reliability, and longevity in industrial controls, consumer electronics, and critical circuits. With precise trip characteristics and resistance stability, they prevent damage from overcurrent faults. Available in tape and reel packaging, order online today to enhance your circuit protection solutions, ensuring peace of mind and compliance with industry standards.

Get Littelfuse RUEF series today—built for precision, durability, and reliable circuit protection in demanding environments.

Frequently Asked Questions

Where can I buy Littelfuse RUEF5002?

You can click on the BUY or RFQ button to purchase RUEF5002 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part RUEF5002?

You can download the RUEF5002 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of RUEF5002?

Littelfuse

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