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: 233
Select Image Part # Mfr. Description Datasheet Availability Pricing (JPY) 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 1A .078ohms 451 NANO2 295In Stock
62,000On Order
Cut Tape
¥410.3
¥342.2
¥315.6
¥262.4
Reel
¥93.5
Min.: 1
Mult.: 1
: 1,000
451 Surface Mount Ceramic Fuses Fast 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 78 mOhms
Littelfuse Surface Mount Fuses 125VAC 3A .0227ohms 451 NANO2 363In Stock
5,000Expected 11/30/2026
Cut Tape
¥352.1
¥308.9
¥290.7
¥240.8
Reel
¥169.4
Min.: 1
Mult.: 1
: 5,000
451 Surface Mount Ceramic Fuses Fast 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 22.7 mOhms
Littelfuse Surface Mount Fuses 125VAC 1.6A .058ohms 451 NANO2 576In Stock
1,000Expected 3/26/2027
Cut Tape
¥363.8
¥332.2
¥302.3
¥254.1
Reel
¥169.4
Min.: 1
Mult.: 1
: 1,000
451 Surface Mount Ceramic Fuses Fast Blow 1.6 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 58 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.5A .7ohms 452 NANO2 1,003In Stock
25,000On Order
Cut Tape
¥480
¥440.2
¥395.3
¥343.8
Reel
¥229.2
Min.: 1
Mult.: 1
: 1,000
452 Surface Mount Ceramic Fuses Time Delay / Slow Blow 500 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 700 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.5A .7ohms 452 NANO2 251In Stock
5,000Expected 4/1/2027
Cut Tape
¥501.6
¥441.8
¥375.4
¥310.6
Reel
¥229.2
Min.: 1
Mult.: 1
: 5,000
452 Surface Mount Ceramic Fuses Time Delay / Slow Blow 500 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 700 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.2A .8372ohms 453 NANO2 191In Stock
1,000Expected 3/18/2027
Cut Tape
¥775.7
¥644.5
¥594.6
¥493.3
Reel
¥338.8
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast Blow 200 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 837.2 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.25A .5765ohms 453 NANO2 1,190In Stock
2,000Expected 3/18/2027
Cut Tape
¥357.1
¥308.9
¥285.7
¥237.5
Reel
¥150.8
Min.: 1
Mult.: 1
: 1,000
453 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 0.315A .3918ohms 453 NANO2 1,178In Stock
Cut Tape
¥353.8
¥305.6
¥287.4
¥234.2
Reel
¥150.8
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast Blow 315 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 391.8 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.375A .4541ohms 453 NANO2 573In Stock
1,000Expected 3/4/2027
Cut Tape
¥357.1
¥308.9
¥285.7
¥237.5
Reel
¥150.8
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast Blow 375 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 454.1 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.4A .4233ohms 453 NANO2 263In Stock
Cut Tape
¥343.8
¥297.3
¥279
¥227.6
Reel
¥150.8
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast Blow 400 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 423.3 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.63A .2022ohms 453 NANO2 1,039In Stock
Cut Tape
¥343.8
¥297.3
¥279
¥227.6
Reel
¥150.8
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast Blow 630 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 202.2 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.75A .1444ohms 453 NANO2 814In Stock
Cut Tape
¥357.1
¥308.9
¥285.7
¥230.9
Reel
¥150.8
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast 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 144.4 mOhms
Littelfuse Surface Mount Fuses 125VAC 7A .009ohms 453 NANO2 379In Stock
3,000Expected 12/15/2026
Cut Tape
¥333.9
¥302.3
¥270.7
¥235.9
Reel
¥150.8
Min.: 1
Mult.: 1
: 1,000
453 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 1.6A .058ohms 453 NANO2 1,083In Stock
Cut Tape
¥343.8
¥297.3
¥279
¥227.6
Reel
¥150.8
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast Blow 1.6 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 58 mOhms
Littelfuse Surface Mount Fuses 125VAC 10A .0056ohms 453 NANO2 1,686In Stock
24,000On Order
Cut Tape
¥395.3
¥357.1
¥310.6
¥262.4
Reel
¥209.3
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast Blow 10 A 125 VAC 125 VDC 35 A, 50 A, 400 A 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 5.6 mOhms
Littelfuse Surface Mount Fuses 125VAC 3.5A .02ohms 453 NANO2 939In Stock
1,000Expected 12/15/2026
Cut Tape
¥342.2
¥308.9
¥275.7
¥237.5
Reel
¥150.8
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast Blow 3.5 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 20 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.5A .7ohms 454 NANO2 963In Stock
2,000Expected 11/3/2026
Cut Tape
¥431.9
¥373.7
¥345.5
¥285.7
Reel
¥186
Min.: 1
Mult.: 1
: 1,000
454 Surface Mount Ceramic Fuses Time Delay / Slow Blow 500 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 700 mOhms
Littelfuse Surface Mount Fuses 125VAC 3.5A .0224ohms 454 NANO2 932In Stock
1,000Expected 11/3/2026
Cut Tape
¥390.3
¥355.5
¥338.8
¥272.4
Reel
¥186
Min.: 1
Mult.: 1
: 1,000
454 Surface Mount Ceramic Fuses Time Delay / Slow Blow 3.5 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 22.4 mOhms
Littelfuse Surface Mount Fuses 48VAC 3A .049ohms 458 NANO2 478In Stock
13,500On Order
Cut Tape
¥496.6
¥411.9
¥380.4
¥315.6
Reel
¥174.4
Min.: 1
Mult.: 1
: 1,500
458 Surface Mount Fuses Fast Blow 3 A 48 VAC 75 VDC 50 A, 50 A 3.18 mm x 1.58 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 49 mOhms
Littelfuse Surface Mount Fuses 32VAC 4A .032ohms 458 NANO2 135In Stock
15,000On Order
Cut Tape
¥468.4
¥388.7
¥358.8
¥297.3
Reel
¥194.3
Min.: 1
Mult.: 1
: 1,500
458 Surface Mount Fuses Fast Blow 4 A 32 VAC 75 VDC 50 A, 50 A 3.18 mm x 1.58 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 32 mOhms
Littelfuse Surface Mount Fuses 48VAC 3.5A .0375ohms 458 NANO2 37In Stock
3,000Expected 12/30/2026
Cut Tape
¥496.6
¥411.9
¥380.4
¥315.6
Reel
¥194.3
Min.: 1
Mult.: 1
: 1,500
458 Surface Mount Fuses Fast Blow 3.5 A 48 VAC 75 VDC 50 A, 50 A 3.18 mm x 1.58 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 37.5 mOhms
Littelfuse Surface Mount Fuses 250VAC 0.8A .1159ohms 464 NANO2 552In Stock
Cut Tape
¥322.2
¥277.4
¥259.1
¥212.6
Reel
¥139.7
Min.: 1
Mult.: 1
: 1,500
464 Surface Mount Ceramic Fuses Fast Blow 800 mA 250 VAC 250 VDC 100 A 12.1 mm x 4.5 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 115.9 mOhms
Littelfuse Surface Mount Fuses 250VAC 6.3A .0093ohms 464 NANO2 191In Stock
Cut Tape
¥332.2
¥284
¥267.4
¥217.6
Reel
¥139.7
Min.: 1
Mult.: 1
: 1,500
464 Surface Mount Ceramic Fuses Fast Blow 6.3 A 250 VAC 250 VDC 100 A 12.1 mm x 4.5 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 9.3 mOhms
Littelfuse Surface Mount Fuses 250VAC 1.25A .058ohms 464 NANO2 777In Stock
Cut Tape
¥302.3
¥267.4
¥254.1
¥206
Reel
¥139.7
Min.: 1
Mult.: 1
: 1,500
464 Surface Mount Ceramic Fuses Fast Blow 1.25 A 250 VAC 250 VDC 100 A 12.1 mm x 4.5 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 58 mOhms
Littelfuse Surface Mount Fuses 250VAC 3.15A .021ohms 465 NANO2 293In Stock
3,000Expected 1/5/2027
Cut Tape
¥395.3
¥360.4
¥320.6
¥284
Reel
¥184.4
Min.: 1
Mult.: 1
: 1,500
465 Surface Mount Ceramic Fuses Time Delay / Slow Blow 3.15 A 250 VAC 250 VDC 100 A 12.1 mm x 4.5 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 21 mOhms