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Littelfuse 0451400MRL Surface Mount Fuse

The Littelfuse Nano[2] SMF Fuse is a subminiature surface mount fuse designed for a wide range of electronic applications. Its small size and fast-acting characteristics make it suitable for protecting sensitive circuits. Available in both RoHS compliant and non-compliant versions, this fuse offers versatility for various design requirements. It is recognized under Underwriters Laboratories and certified by CSA, ensuring reliable performance and safety. The fuse is also designed for easy integration into surface mount assemblies with recommended pad layouts and soldering parameters.

Authorized Distributors
Source:Newark
Part No:0451.400MRL
Stock:881
Inv Date:05-28-2026
Price: Unit price: $2.37
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Source:DigiKey
Part No:0451.400MRL
Stock:1811
Inv Date:05-28-2026
Price: Unit price: $2.47
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Part No:0451.400MRL
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.77
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Part No:0451.400MRL
Stock:1797
Inv Date:05-28-2026
Price: Unit price: $0.66
Buy/RFQ:
Part No:0451.400MRL
Stock:1797
Inv Date:05-28-2026
Price: Unit price: $0.66
Buy/RFQ:
Part No:0451.400MRL
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.545
Buy/RFQ:

Littelfuse 0451400MRL Surface Mount Fuse Specifications:

  • Operating Temperature: –55°C to 125°C
  • Shock: MIL-STD-202, Method 213
  • Vibration: MIL-STD-202, Method 201
  • Salt Spray: MIL-STD-202, Method 101
  • Insulation Resistance: MIL-STD-202, Method 302
  • Resistance to Soldering Heat: MIL-STD-202, Method 210
  • Thermal Shock: MIL-STD-202, Method 107
  • Moisture Resistance: MIL-STD-202, Method 106
  • Materials Body: Ceramic
  • Materials Terminations: Tin-Lead Alloy
  • RoHS Compliant Terminations: Gold over Nickel Plated Caps(451) Silver Plated Caps(453)
  • Wave Solder: 260°C, 10 seconds maximum
  • Reflow Solder: 260°C, 30 seconds maximum
  • Solderability: MIL-STD-202, Method 208
  • Interrupting Ratings 1/16–8A: 50 amperes at 125 VAC/VDC
  • Interrupting Ratings 10A: 35 amperes at 125 VAC/50 amperes at 125 VDC
  • Interrupting Ratings 12A–15A: 50 amperes at 65 VAC/VDC

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Frequently Asked Questions

Where can I buy Littelfuse 0451400MRL?

You can click on the BUY or RFQ button to purchase 0451400MRL from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0451400MRL?

You can download the 0451400MRL datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0451400MRL?

Littelfuse

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