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Littelfuse 0448100MR Nano Fast-Acting Fuse

The Littelfuse Nano[2] SMF fuse is a compact surface mount fuse designed for modern electronics. It's RoHS compliant, 100% lead-free, and compatible with lead-free solder alloys and higher temperature assembly processes. This fuse is ideal for applications like notebook PCs, telecom systems, LCD/PDP TVs, wireless basestations, and power supplies, providing reliable overcurrent protection in a small form factor. Its wide operating temperature range and various current ratings make it a versatile choice for diverse industrial and consumer electronics.

Authorized Distributors
Source:Newark
Part No:0448.100MR
Stock:796
Inv Date:05-28-2026
Price: Unit price: $5.06
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Source:DigiKey
Part No:0448.100MR
Stock:4668
Inv Date:05-28-2026
Price: Unit price: $5.25
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Part No:0448.100MR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $3.89
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Part No:0448.100MR
Stock:898
Inv Date:05-28-2026
Price: Unit price: $1.23
Buy/RFQ:
Part No:0448.100MR
Stock:898
Inv Date:05-28-2026
Price: Unit price: $1.23
Buy/RFQ:
Part No:0448.100MR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $2.62
Buy/RFQ:
Part No:0448.100MR
Stock:18
Inv Date:05-29-2026
Price: N/A
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Littelfuse 0448100MR Nano Fast-Acting Fuse Specifications:

  • Agency Approvals: E10480, LR29862, NBK030205
  • Ampere Range: 62mA - 15A
  • Opening Time (100% Rating): 4 hours (minimum) for 1/16 – 15A
  • Opening Time (1/16 – 10A): 5 seconds (maximum)
  • Opening Time (200% Rating): 20 seconds (maximum) for 12 – 15A
  • Body Material: Ceramic
  • Termination Material: Gold-plated Caps
  • Product Marking: Brand, Amperage Rating
  • Operating Temperature Range: -55°C to 125°C
  • Moisture Sensitivity Level: 2, J-STD-020C
  • Solderability: MIL-STD-202, Method 208
  • Insulation Resistance: 10,000 ohms minimum
  • Thermal Shock: MIL-STD-202, Method 213, Condition B (5 cycles)
  • Mechanical Shock: MIL-STD-202, Method 201 (0.03” double amplitude)
  • Vibration: MIL-STD-202, Method 202 (10-55 Hz, 6 hours)
  • Salt Spray Resistance: MIL-STD-202, Method 106 (10 cycles)
  • Soldering Heat Resistance: MIL-STD-202, Method 210, Condition B (10 seconds at 260°C)
  • Dimensions: 6.10 x 2.69 x 1.45 mm
  • Packaging: Tape and Reel (EIA RS-481-1)
  • Quantity (M Code): 1000 pcs
  • Quantity (N Code): 5000 pcs

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Frequently Asked Questions

Where can I buy Littelfuse 0448100MR?

You can click on the BUY or RFQ button to purchase 0448100MR from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0448100MR?

You can download the 0448100MR datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0448100MR?

Littelfuse

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