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Littelfuse 0451005MRL Fast-Acting Surface Mount Fuse

The Littelfuse Nano[2] SMF Fuse (0451005.MRL) is a compact surface mount fuse ideal for secondary-side over-current protection in a variety of applications. Its wire-in-air design and small size make it suitable for PCB integration using surface mount technology. Key features include fast-acting response, low-temperature derating, RoHS compliance, halogen-free construction, a wide operating temperature range, and current ratings from 62mA to 15A. Common applications include notebook PCs, telecom systems, LCD/PDP TVs, wireless basestations, and power supplies.

Authorized Distributors
Source:Newark
Part No:0451005.MRL
Stock:1000
Inv Date:05-28-2026
Price: Unit price: $1.09
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Source:DigiKey
Part No:0451005.MRL
Stock:119
Inv Date:05-28-2026
Price: Unit price: $2.47
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Part No:0451005.MRL
Stock:236
Inv Date:05-28-2026
Price: Unit price: $1.58
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Part No:0451005.MRL
Stock:3000
Inv Date:05-28-2026
Price: Unit price: $0.34
Buy/RFQ:
Part No:0451005.MRL
Stock:3000
Inv Date:05-28-2026
Price: Unit price: $0.34
Buy/RFQ:
Part No:0451005.MRL
Stock:2000
Inv Date:05-28-2026
Price: Unit price: $0.43
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Part No:0451005.MRL
Stock:14000
Inv Date:05-29-2026
Price: N/A
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Littelfuse 0451005MRL Fast-Acting Surface Mount Fuse Specifications:

  • Agency Approvals: E10480 (6.3A - 15A), LR29862 (62mA - 15A), PS NBK030205-E10480B (1A - 5A), E NBK101105-E184655 (6.3A - 10A), E10480 (62mA - 5A)
  • Ampere Rating: 0.062A - 15A
  • Opening Time: 1/16 –15 hours (4 hours minimum), 1/16 –10 seconds (5 seconds maximum), 12 –15 seconds (20 seconds maximum)
  • Interrupting Rating: 5.5000A @ 125VAC/VDC, 4.0500A @ 125VAC/VDC
  • Resistance: 0.00019 Ohms (at 0.062A), 0.00033 Ohms (at 0.080A)
  • Body Material: Ceramic
  • Termination Material: Gold-Plated Caps / Sn-dipped Silver Plated
  • Operating Temperature: -55°C to 125°C
  • Moisture Sensitivity Level: Level 1, J-STD-020C
  • Soldering Parameters (Pb-Free): Preheat: 150°C min, 200°C max, 60-120 secs; Reflow: 217°C (Liquidus), 60-90 secs; Peak Temperature: 260°C ± 5°C
  • Average Time Current Curves: Refer to datasheet for detailed curves
  • Thermal Shock: MIL-STD-202, Method 213, Test Condition B
  • Mechanical Shock: MIL-STD-202, Method 201, 0.03” amplitude
  • Vibration: MIL-STD-202, Method 202, 10-55 Hz, 2 hrs

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Frequently Asked Questions

Where can I buy Littelfuse 0451005MRL?

You can click on the BUY or RFQ button to purchase 0451005MRL from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0451005MRL?

You can download the 0451005MRL datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0451005MRL?

Littelfuse

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