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Littelfuse 0449001MR Slo-Blo Fuse

The Littelfuse NANO[2] Slo-Blo[®] fuse (part number 0449001.MR) is a surface mount fuse designed for a wide range of applications, including notebook PCs, telecom systems, LCD/PDP TVs, and more. This fuse is RoHS compliant and 100% lead-free, ensuring compatibility with modern lead-free solder alloys and higher temperature assembly processes. The Slo-Blo[®] design provides enhanced inrush withstand characteristics, preventing nuisance fuse openings caused by temporary current surges. Its unique time delay feature makes it suitable for protecting sensitive electronic circuits while accommodating inrush currents.

Authorized Distributors
Source:Newark
Part No:0449001.MR
Stock:1000
Inv Date:05-28-2026
Price: Unit price: $3.41
Buy/RFQ:
Source:DigiKey
Part No:0449001.MR
Stock:379
Inv Date:05-28-2026
Price: Unit price: $3.4
Buy/RFQ:
Part No:0449001.MR
Stock:10
Inv Date:05-28-2026
Price: Unit price: $3.18
Buy/RFQ:
Part No:0449001.MR
Stock:1173
Inv Date:05-28-2026
Price: Unit price: $1.65
Buy/RFQ:
Part No:0449001.MR
Stock:1173
Inv Date:05-28-2026
Price: Unit price: $1.65
Buy/RFQ:

Littelfuse 0449001MR Slo-Blo Fuse Specifications:

  • Ampere Rating: 0.375A - 5A
  • Voltage Rating: 125V
  • Interrupting Rating: 375mA - 5A
  • Opening Time: 4 hours (100%), 1 sec. (200%), 0.2 sec. (300%), 0.02 sec. (800%)
  • Operating Temperature: -55°C to 125°C
  • Resistance: 0.0171 Ohms (5A)
  • Agency Approvals: E10480, NBK030205
  • Materials: Body: Ceramic, Terminations: Gold-plated Caps
  • Packaging: Tape and Reel (1000 pcs)

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Frequently Asked Questions

Where can I buy Littelfuse 0449001MR?

You can click on the BUY or RFQ button to purchase 0449001MR from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0449001MR?

You can download the 0449001MR datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0449001MR?

Littelfuse

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