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Littelfuse 0407045WR Ceramic Surface Mount Fuse

Littelfuse 407 Series surface mount ceramic fuses provide high-temperature stability and reliable overcurrent protection for circuits operating up to 150°C. Designed to handle high in-rush currents with ultra-high time lag capability, these RoHS compliant, halogen-free fuses are suitable for both leaded and lead-free soldering processes. They offer excellent performance in electronic appliances, data communication devices, power supplies, and industrial equipment, ensuring nuisance-free operation and safety in high ambient temperature environments. UL recognized, these fuses support robust circuit protection with a compact form factor.

Authorized Distributors
Source:Newark
Part No:040704.5WR
Stock:654
Inv Date:05-28-2026
Price: Unit price: $0.996
Buy/RFQ:
Source:DigiKey
Part No:040704.5WR
Stock:8793
Inv Date:05-28-2026
Price: Unit price: $1
Buy/RFQ:
Part No:040704.5WR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.5
Buy/RFQ:

Littelfuse 0407045WR Ceramic Surface Mount Fuse Specifications:

  • Material: Advanced Ceramic
  • Termination: Ag / Ni / Sn (100% Lead-free)
  • Operating Temperature: -55°C to +150°C
  • Soldering: Compatible with leaded and lead-free reflow/wave soldering
  • Ingress Protection: Moisture Resistance MILSTD-202, Method 106
  • Shock & Vibration Resistance: MILSTD-202, Methods 213 & 201
  • Temperature Re-rating: In addition to standard 20%, based on continuous operation at elevated temperature
  • UL Recognized: Yes, UL file number OdsaI-clet
  • Halogen-Free & RoHS Compliant: Yes, lead-free element cover coating with lead-free glass
  • Current Ratings: 1A to 8A with time delay (1 sec min to 120 sec max surge)
  • Body Dimensions: Approximately 3.2mm x 1.2mm
  • Certification: UL Recognized, CSA Certified
  • Design: Ultra high inrush current withstand capability, high temperature stability

Buy the Littelfuse 0407045WR – Reliable Ceramic Fuse for Industrial Applications

Order Littelfuse ceramic surface mount fuses now for dependable overcurrent protection in high-temperature environments. Designed for electronic devices and industrial equipment, these RoHS compliant, halogen-free fuses support lead-free soldering and high in-rush currents. Compact and UL recognized, they deliver reliable safety and performance in applications such as power supplies, data communication, and industrial electronics. With easy online purchase options, ensure your circuit’s safety with high-quality fuses that resist nuisance opening and operate efficiently at ambient temperatures up to 150°C.

Buy Littelfuse 0407045WR now and experience unmatched reliability and high-temperature circuit protection for your electronic systems.

Frequently Asked Questions

Where can I buy Littelfuse 0407045WR?

You can click on the BUY or RFQ button to purchase 0407045WR from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0407045WR?

You can download the 0407045WR datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0407045WR?

Littelfuse

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