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 (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Product
Fuse Type
Current Rating
Voltage Rating AC
Voltage Rating DC
Interrupt Rating
Melting I2t
Fuse Size/Group
Minimum Operating Temperature
Maximum Operating Temperature
Resistance
Packaging
Littelfuse Surface Mount Fuses FUSE 125V V/FA NANO2 W/ Au Caps RoHS 20A
Datasheet
1.874In Stock
Cut Tape
Rp133.009
Rp122.735
Rp118.148
Rp90.813
View
Reel
Rp71.366
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 18 A2 sec NANO - 55 C + 125 C 2.3 mOhms Reel, Cut Tape, MouseReel
Littelfuse Surface Mount Fuses 125VAC 20A .0023ohms 456 NANO2
Datasheet
9.426In Stock
Cut Tape
Rp100.353
Rp91.547
Rp81.640
Rp71.916
View
Reel
Rp50.452
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 18 A2 sec 10.08 mm x 3.05 mm - 55 C + 125 C 2.3 mOhms Reel, Cut Tape, MouseReel
Littelfuse Surface Mount Fuses 125VAC 25A .00192ohms 456 NANO2
Datasheet
14.848In Stock
7.500Expected 30/12/2026
Cut Tape
Rp101.270
Rp96.867
Rp91.913
Rp59.808
Rp59.441
Reel
Rp59.441
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 45 A2 sec 10.08 mm x 3.05 mm - 55 C + 125 C 1.92 mOhms Reel, Cut Tape, MouseReel
Littelfuse Surface Mount Fuses 125VAC 30A .00132ohms 456 NANO2
Datasheet
28.667In Stock
Cut Tape
Rp88.244
Rp74.485
Rp64.945
Rp56.322
View
Reel
Rp46.599
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 81 A2 sec 10.08 mm x 3.05 mm - 55 C + 125 C 1.32 mOhms Reel, Cut Tape, MouseReel
Littelfuse Surface Mount Fuses VAC 40A .00105ohms 456 NANO2
Datasheet
15.430In Stock
Cut Tape
Rp105.673
Rp90.079
Rp74.301
Rp68.431
View
Reel
Rp57.606
MouseReel Available
Min.: 1
Mult.: 1
: 1.500
456 Surface Mount Ceramic Fuses Fast Blow 40 A 60 VDC 180 A 454 A2 sec 10.08 mm x 3.05 mm - 55 C + 125 C 1.05 mOhms Reel, Cut Tape, MouseReel