456 Fast-Acting Subminiature Surface-Mount Fuses

Littelfuse 456 Fast-Acting Subminiature Surface-Mount Fuses are engineered to support higher current requirements in applications. These small square fuses are available in ratings of 20A to 40A. The 456 series is fully compatible with lead-free solder alloys and higher temperature profiles associated with lead-free assembly. Littelfuse 456 Fast-Acting Subminiature Surface-Mount Fuses are halogen free and RoHS compliant. Typical applications include storage system power, base station power supplies, and both voltage regulator modules and cooling fan systems for PC servers.

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Description Datasheet Availability Pricing (DKK) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
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Voltage Rating AC
Voltage Rating DC
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Littelfuse Surface Mount Fuses FUSE 125V V/FA NANO2 W/ Au Caps RoHS 20A
Datasheet
52In Stock
2.500Expected 12/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

456 Surface Mount Fuses Fast Blow 20 A 100 VDC 100 A, 300 A, 300 A, 500 A, 1 kA NANO - 55 C + 125 C Reel, Cut Tape, MouseReel 2.3 mOhms
Littelfuse Surface Mount Fuses 125VAC 20A .0023ohms 456 NANO2
Datasheet
9.017In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

456 Surface Mount Ceramic Fuses Fast Blow 20 A 125 VAC 100 VDC 100 A, 300 A 10.08 mm x 3.05 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 2.3 mOhms
Littelfuse Surface Mount Fuses VAC 40A .00105ohms 456 NANO2
Datasheet
12.161In Stock
9.000Expected 06/07/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

456 Surface Mount Ceramic Fuses Fast Blow 40 A 60 VDC 180 A 10.08 mm x 3.05 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 1.05 mOhms
Littelfuse Surface Mount Fuses 125VAC 25A .00192ohms 456 NANO2
Datasheet
2.429In Stock
2.500Expected 01/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

456 Surface Mount Ceramic Fuses Fast Blow 25 A 125 VAC 72 VDC 100 A, 500 A 10.08 mm x 3.05 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 1.92 mOhms
Littelfuse Surface Mount Fuses 125VAC 30A .00132ohms 456 NANO2
Datasheet
3.931In Stock
22.500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

456 Surface Mount Ceramic Fuses Fast Blow 30 A 125 VAC 72 VDC 100 A, 500 A 10.08 mm x 3.05 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 1.32 mOhms