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Littelfuse 0451012MRL Surface Mount Fuse

The Nano Surface Mount Fuse is a compact, square, and RoHS compliant fuse ideal for circuit protection in electronic devices. Recognized by UL, CSA, and METI, it features interrupting ratings up to 50A at 125 VAC/VDC and 300A at 32 VDC. Operating over temperatures from -55°C to 125°C, it withstands shock, vibration, and soldering heat, making it highly reliable. Suitable for small electronic circuits, it ensures safety and durability, with options available for RoHS compliance in a convenient surface mount design.

Authorized Distributors
Source:Newark
Part No:0451012.MRL
Stock:232
Inv Date:05-28-2026
Price: Unit price: $3.78
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Source:DigiKey
Part No:0451012.MRL
Stock:0
Inv Date:05-28-2026
Price: Unit price: $3.76
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Part No:0451012.MRL
Stock:25
Inv Date:05-28-2026
Price: Unit price: $0.19
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Part No:0451012.MRL
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.53
Buy/RFQ:
Part No:0451012.MRL
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.53
Buy/RFQ:
Part No:0451012.MRL
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.535
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Source:Arrow EU
Part No:0451012.MRL
Stock:703
Inv Date:05-29-2026
Price: N/A
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Part No:0451012.MRL
Stock:7000
Inv Date:05-29-2026
Price: N/A
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Littelfuse 0451012MRL Surface Mount Fuse Specifications:

  • Body Material: Ceramic
  • Terminations: Tin-Lead Alloy or Gold over Nickel Plated Caps
  • Operating Temperature: -55°C to 125°C
  • Interrupting Ratings: 50A at 125 VAC/VDC, 300A at 32 VDC, 35A at 125 VAC, 50A at 125 VDC, 50A at 65 VAC/VDC, 300A at 24 VDC
  • Soldering Parameters: Wave soldering at 260°C for 10 seconds, reflow solder at 260°C for 30 seconds
  • Packaging: 12mm Tape and Reel, RoHS options available, 1,000 pieces per reel, 5,000 for non-RoHS
  • Certifications: UL Recognized, CSA Certified, METI Approved
  • Environmental Resistance: MIL-STD-202 shock, vibration, salt spray, and humidity resistant
  • Physical Dimensions: Ranges from 0.062" to 0.800" in length, various diameter options
  • Resistance: As specified for each amperage, in low milliohm range

Buy the Littelfuse Series 451 Surface Mount Fuses: 0451012MRL

Secure your electronic projects with the Littelfuse Surface Mount Fuse, model 0451012MRL. This RoHS compliant fuse provides excellent circuit protection, with high interrupting ratings up to 50A at 125 VAC/VDC and 300A at 32 VDC. Its compact ceramic body and reliable tin-lead or gold-plated terminations ensure durability and ease of soldering. Ideal for small electronic devices, it withstands harsh environmental conditions, shock, vibration, and high temperatures. Purchase online today for dependable performance and safety in your electronic designs.

Buy Littelfuse 0451012MRL now and experience unmatched reliability and performance in your electronic circuit protection needs.

Frequently Asked Questions

Where can I buy Littelfuse 0451012MRL?

You can click on the BUY or RFQ button to purchase 0451012MRL from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0451012MRL?

You can download the 0451012MRL datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0451012MRL?

Littelfuse

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