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Littelfuse 0449500MR Slo-Blo Fuse

The Littelfuse NANO[2] Slo-Blo[®] fuse (0449.500MR) is a surface mount fuse designed for a wide range of applications, including notebook PCs, telecom systems, LCD/PDP TVs, and more. This RoHS compliant and 100% lead-free fuse is fully compatible with lead-free solder alloys and higher temperature profiles. Its Slo-Blo[®] design provides enhanced inrush withstand characteristics, preventing nuisance fuse openings caused by inrush currents. The fuse features a ceramic body, gold-plated caps, and is available in tape and reel packaging with a quantity of 1000 pieces.

Authorized Distributors
Source:Newark
Part No:0449.500MR
Stock:975
Inv Date:05-28-2026
Price: Unit price: $0.755
Buy/RFQ:
Source:DigiKey
Part No:0449.500MR
Stock:417
Inv Date:05-28-2026
Price: Unit price: $3.4
Buy/RFQ:
Part No:0449.500MR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.89
Buy/RFQ:
Part No:0449.500MR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.25
Buy/RFQ:
Part No:0449.500MR
Stock:53
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse 0449500MR Slo-Blo Fuse Specifications:

  • Ampere Rating: 0.375 - 5.00 A
  • Voltage Rating: 125 V
  • Interrupting Rating: 375mA - 5A
  • Opening Time: 4 hours (100%), 60 seconds (max, 300%), 0.02 seconds (max, 800%)
  • Operating Temperature: -55°C to 125°C
  • Moisture Sensitivity Level: Level 1
  • Insulation Resistance: 10,000 ohms minimum
  • Agency Approvals: E10480, NBK030205
  • Packaging: Tape and Reel (1000 pcs)

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Frequently Asked Questions

Where can I buy Littelfuse 0449500MR?

You can click on the BUY or RFQ button to purchase 0449500MR from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0449500MR?

You can download the 0449500MR datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0449500MR?

Littelfuse

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