NANO Fuses

Littelfuse NANO® Fuses are fast-acting, high-performance fuses available in a wide range of available current ratings. The portfolio includes 448 NANO2® SMF Fuses, which are fast-acting fuses available in current ratings from 62mA to 15A. The 443 NANO2 series features square surface-mount, time-lag devices with a 250VAC voltage rating. Littelfuse 449 NANO2 Slo-Blo® Fuses offer enhanced inrush withstand characteristics over NANO2 Fast-Acting Fuses. The 456 series is designed to support higher current requirements and is fully compatible with lead-free solder alloys. Littelfuse 456 fuses are ideal for storage system powers, cooling fan systems for PC servers, and base station power supplies. Littelfuse NANO Fuses include additional series as well.

Results: 231
Select Image Part # Mfr. 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 Fuse Size/Group Minimum Operating Temperature Maximum Operating Temperature Packaging Resistance
Littelfuse Surface Mount Fuses 125VAC 1.5A .093ohms 452 NANO2 5.770In Stock
Cut Tape
Rp51.735,72
Rp48.249,98
Rp45.865,00
Rp37.058,92
Reel
Rp22.932,50
Min.: 1
Mult.: 1
: 5.000
452 Surface Mount Ceramic Fuses Time Delay / Slow Blow 1.5 A 125 VAC 125 VDC 50 A, 50 A, 300 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 93 mOhms
Littelfuse Surface Mount Fuses 125VAC 2.5A .045ohms 452 NANO2 10.110In Stock
Cut Tape
Rp59.991,42
Rp50.634,96
Rp40.911,58
Rp35.040,86
Reel
Rp26.785,16
Min.: 1
Mult.: 1
: 1.000
452 Surface Mount Ceramic Fuses Time Delay / Slow Blow 2.5 A 125 VAC 125 VDC 50 A, 50 A, 300 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 45 mOhms
Littelfuse Surface Mount Fuses 48VAC 1.6A .092ohms 458 NANO2 1.846In Stock
Cut Tape
Rp44.397,32
Rp41.095,04
Rp39.076,98
Rp31.555,12
Reel
Rp18.712,92
Min.: 1
Mult.: 1
: 1.500
458 Surface Mount Fuses Fast Blow 1.6 A 48 VAC 75 VDC 50 A, 50 A 3.18 mm x 1.58 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 92 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.125A 1.7ohms 451 NANO2 2.445In Stock
Cut Tape
Rp83.841,22
Rp78.153,96
Rp73.384,00
Rp59.257,58
Reel
Rp37.058,92
Min.: 1
Mult.: 1
: 5.000
451 Surface Mount Ceramic Fuses Fast Blow 125 mA 125 VAC 125 VDC 50 A, 50 A, 300 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 78 mOhms
Littelfuse Surface Mount Fuses FUSE 125V V/FA NANO2 W/ Au Caps RoHS 20A 1.874In Stock
Cut Tape
Rp133.008,50
Rp122.734,74
Rp118.148,24
Rp90.812,70
Reel
Rp71.365,94
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 250VAC 2.5A .026ohms 465 NANO2 505In Stock
1.500Expected 10/11/2026
Cut Tape
Rp42.012,34
Rp38.710,06
Rp32.105,50
Rp28.986,68
Reel
Rp20.364,06
Min.: 1
Mult.: 1
: 1.500
465 Surface Mount Ceramic Fuses Time Delay / Slow Blow 2.5 A 250 VAC 250 VDC 100 A 12.1 mm x 4.5 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 26 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.08A 4.47ohms 448 NANO2
62In Stock
1.000Expected 30/11/2026
Cut Tape
Rp84.391,60
Rp78.704,34
Rp75.952,44
Rp59.624,50
Reel
Rp42.562,72
Min.: 1
Mult.: 1
: 1.000
448 Surface Mount Fuses Fast Blow 80 mA 125 VAC 125 VDC 50 A, 50 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 4.47 Ohms
Littelfuse Surface Mount Fuses 125VAC 7A .009ohms 451 NANO2 1.354In Stock
Cut Tape
Rp39.076,98
Rp35.591,24
Rp33.756,64
Rp27.335,54
Reel
Rp16.272,90
Min.: 1
Mult.: 1
: 5.000
451 Surface Mount Ceramic Fuses Fast Blow 7 A 125 VAC 125 VDC 50 A, 50 A, 400 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 9 mOhms
Littelfuse Surface Mount Fuses 125VAC 3.15A .0215ohms 453 NANO2 949In Stock
Cut Tape
Rp35.407,78
Rp31.922,04
Rp30.270,90
Rp24.400,18
Reel
Rp14.585,07
Min.: 1
Mult.: 1
: 1.000
453 Surface Mount Ceramic Fuses Fast Blow 3.15 A 125 VAC 125 VDC 50 A, 50 A, 300 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 21.5 mOhms
Littelfuse Surface Mount Fuses 125VAC 3.15A .023ohms 448 NANO2
725In Stock
Cut Tape
Rp35.407,78
Rp32.105,50
Rp29.903,98
Rp24.950,56
Reel
Rp17.924,04
Min.: 1
Mult.: 1
: 1.000
448 Surface Mount Fuses Fast Blow 3.15 A 125 VAC 125 VDC 50 A, 50 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 701.5 mOhms
Littelfuse Surface Mount Fuses 125VAC 4A .016ohms 451 NANO2 791In Stock
Cut Tape
Rp39.076,98
Rp35.591,24
Rp33.756,64
Rp27.335,54
Reel
Rp17.777,27
Min.: 1
Mult.: 1
: 5.000
451 Surface Mount Ceramic Fuses Fast Blow 4 A 125 VAC 125 VDC 50 A, 50 A, 300 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 16 mOhms
Littelfuse Surface Mount Fuses 250VAC 1.6A .0448ohms 464 NANO2 1.388In Stock
Cut Tape
Rp33.389,72
Rp29.537,06
Rp28.069,38
Rp22.749,04
Reel
Rp14.383,26
Min.: 1
Mult.: 1
: 1.500
464 Surface Mount Ceramic Fuses Fast Blow 1.6 A 250 VAC 250 VDC 100 A 12.1 mm x 4.5 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 44.8 mOhms
Littelfuse Surface Mount Fuses 125VAC 1.6A .06261ohms 448 NANO2
1.000In Stock
Cut Tape
Rp39.443,90
Rp34.490,48
Rp31.922,04
Rp26.418,24
Reel
Rp17.483,74
Min.: 1
Mult.: 1
: 1.000
448 Surface Mount Fuses Fast Blow 1.6 A 125 VAC 125 VDC 50 A, 50 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 62.61 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.75A .36ohms 452 NANO2 1.857In Stock
Cut Tape
Rp51.735,72
Rp48.249,98
Rp45.865,00
Rp37.058,92
Reel
Rp22.198,66
Min.: 1
Mult.: 1
: 5.000
452 Surface Mount Ceramic Fuses Time Delay / Slow Blow 750 mA 125 VAC 125 VDC 50 A, 50 A, 300 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 360 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.1A 2.94ohms 448 NANO2
8.676In Stock
Cut Tape
Rp79.988,56
Rp73.934,38
Rp61.275,64
Rp55.588,38
Reel
Rp42.562,72
Min.: 1
Mult.: 1
: 1.000
448 Surface Mount Fuses Fast Blow 100 mA 125 VAC 125 VDC 50 A, 50 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 2.94 Ohms
Littelfuse Surface Mount Fuses 65VAC 12A .00533ohms 448 NANO2
15.818In Stock
Cut Tape
Rp57.789,90
Rp53.386,86
Rp44.213,86
Rp40.911,58
Reel
Rp29.903,98
Min.: 1
Mult.: 1
: 1.000
448 Surface Mount Fuses Fast Blow 12 A 65 VAC 85 VDC 50 A, 200 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 5.33 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.25A .5765ohms 451 NANO2 36.853In Stock
Cut Tape
Rp44.030,40
Rp37.058,92
Rp34.857,40
Rp28.986,68
Reel
Rp18.712,92
Min.: 1
Mult.: 1
: 1.000
451 Surface Mount Ceramic Fuses Fast Blow 250 mA 125 VAC 125 VDC 50 A, 50 A, 300 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 576.5 mOhms
Littelfuse Surface Mount Fuses 125VAC 2A .0367ohms 451 NANO2 24.980In Stock
21.000Expected 06/01/2027
Cut Tape
Rp31.555,12
Rp25.867,86
Rp23.115,96
Rp19.446,76
Reel
Rp12.493,63
Min.: 1
Mult.: 1
: 1.000
451 Surface Mount Ceramic Fuses Fast Blow 2 A 125 VAC 125 VDC 50 A, 50 A, 300 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 36.7 mOhms
Littelfuse Surface Mount Fuses 125VAC 7A .009ohms 451 NANO2 31.110In Stock
16.000Expected 30/12/2026
Cut Tape
Rp34.307,02
Rp30.637,82
Rp26.234,78
Rp23.115,96
Reel
Rp11.649,71
Min.: 1
Mult.: 1
: 1.000
451 Surface Mount Ceramic Fuses Fast Blow 7 A 125 VAC 125 VDC 50 A, 50 A, 400 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 9 mOhms
Littelfuse Surface Mount Fuses 65VAC 15A .0037ohms 451 NANO2 38.681In Stock
Cut Tape
Rp48.433,44
Rp42.012,34
Rp37.609,30
Rp32.288,96
Reel
Rp23.849,80
Min.: 1
Mult.: 1
: 1.000
451 Surface Mount Ceramic Fuses Fast Blow 15 A 65 VAC 65 VDC 100 A, 150 A, 400 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 3.7 mOhms
Littelfuse Surface Mount Fuses 125VAC 1A .225ohms 452 NANO2 43.839In Stock
Cut Tape
Rp37.976,22
Rp34.123,56
Rp29.720,52
Rp25.317,48
Reel
Rp16.694,86
Min.: 1
Mult.: 1
: 1.000
452 Surface Mount Ceramic Fuses Time Delay / Slow Blow 1 A 125 VAC 125 VDC 50 A, 50 A, 300 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 225 mOhms
Littelfuse Surface Mount Fuses 125VAC 2A .0625ohms 452 NANO2 37.347In Stock
Cut Tape
Rp43.113,10
Rp38.526,60
Rp33.206,26
Rp28.986,68
Reel
Rp13.667,77
Min.: 1
Mult.: 1
: 1.000
452 Surface Mount Ceramic Fuses Time Delay / Slow Blow 2 A 125 VAC 125 VDC 50 A, 50 A, 300 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 62.5 mOhms
Littelfuse Surface Mount Fuses 125VAC 3A .034ohms 452 NANO2 39.290In Stock
Cut Tape
Rp41.461,96
Rp34.123,56
Rp29.720,52
Rp25.317,48
Reel
Rp15.172,14
Min.: 1
Mult.: 1
: 1.000
452 Surface Mount Ceramic Fuses Time Delay / Slow Blow 3 A 125 VAC 125 VDC 50 A, 50 A, 300 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 34 mOhms
Littelfuse Surface Mount Fuses 125VAC 4A .0186ohms 452 NANO2 22.146In Stock
15.000Expected 22/02/2027
Cut Tape
Rp38.343,14
Rp31.738,58
Rp27.885,92
Rp20.914,44
Reel
Rp14.768,53
Min.: 1
Mult.: 1
: 1.000
452 Surface Mount Ceramic Fuses Time Delay / Slow Blow 4 A 125 VAC 125 VDC 50 A, 50 A, 300 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 18.6 mOhms
Littelfuse Surface Mount Fuses 125VAC 5A .0136ohms 452 NANO2 82.080In Stock
Cut Tape
Rp40.728,12
Rp33.389,72
Rp29.353,60
Rp24.950,56
Reel
Rp14.144,77
Min.: 1
Mult.: 1
: 1.000
452 Surface Mount Ceramic Fuses Time Delay / Slow Blow 5 A 125 VAC 125 VDC 50 A, 50 A, 300 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 13.6 mOhms