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: 234
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 0.75A .36ohms 454 NANO2 1,871In Stock
Cut Tape
¥411.9
¥372.1
¥333.9
¥297.3
Reel
¥186
Min.: 1
Mult.: 1
: 1,000
454 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 1A .225ohms 454 NANO2 11,536In Stock
7,000Expected 11/26/2026
Cut Tape
¥254.1
¥227.6
¥212.6
¥176.1
¥162.8
Reel
¥162.8
Min.: 1
Mult.: 1
: 1,000
454 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 454 NANO2 17,901In Stock
Cut Tape
¥259.1
¥217.6
¥199.3
¥162.8
Reel
¥162.8
Min.: 1
Mult.: 1
: 1,000
454 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 454 NANO2 9,269In Stock
Cut Tape
¥431.9
¥373.7
¥345.5
¥260.8
Reel
¥186
Min.: 1
Mult.: 1
: 1,000
454 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 454 NANO2 4,987In Stock
Cut Tape
¥421.9
¥365.4
¥342.2
¥280.7
Reel
¥186
Min.: 1
Mult.: 1
: 1,000
454 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 454 NANO2 10,145In Stock
8,000Expected 11/3/2026
Cut Tape
¥308.9
¥277.4
¥237.5
¥209.3
Reel
¥121.8
Min.: 1
Mult.: 1
: 1,000
454 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
Littelfuse Surface Mount Fuses 125VAC 1.5A .093ohms 454 NANO2 6,192In Stock
Cut Tape
¥431.9
¥373.7
¥345.5
¥279
Reel
¥186
Min.: 1
Mult.: 1
: 1,000
454 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 454 NANO2 1,565In Stock
2,000Expected 4/7/2027
Cut Tape
¥433.5
¥373.7
¥345.5
¥285.7
Reel
¥186
Min.: 1
Mult.: 1
: 1,000
454 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 40A 125V HI CURRENT 2,583In Stock
Cut Tape
¥1,182.6
¥1,056.4
¥1,016.5
¥782.3
Reel
¥519.9
Min.: 1
Mult.: 1
: 1,500
456SD Surface Mount Ceramic Fuses Fast Blow 40 A 125 VAC 75 VDC 100 A, 600 A 12.2 mm x 4.5 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 1.3 mOhms
Littelfuse Surface Mount Fuses 48VAC 2A .0695ohms 458 NANO2 7,180In Stock
21,000Expected 11/30/2026
Cut Tape
¥343.8
¥304
¥260.8
¥227.6
Reel
¥174.4
Min.: 1
Mult.: 1
: 1,500
458 Surface Mount Fuses Fast Blow 2 A 48 VAC 75 VDC 50 A, 50 A 3.18 mm x 1.58 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 69.5 mOhms
Littelfuse Surface Mount Fuses 32VAC 7A .0175ohms 458 NANO2 3,102In Stock
Cut Tape
¥431.9
¥395.3
¥352.1
¥307.3
Reel
¥194.3
Min.: 1
Mult.: 1
: 1,500
458 Surface Mount Fuses Fast Blow 7 A 32 VAC 63 VDC 50 A, 50 A 3.18 mm x 1.58 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 17.5 mOhms
Littelfuse Surface Mount Fuses 32VAC 8A .0058ohms 458 NANO2 11,701In Stock
Cut Tape
¥445.1
¥388.7
¥358.8
¥297.3
Reel
¥194.3
Min.: 1
Mult.: 1
: 1,500
458 Surface Mount Fuses Fast Blow 8 A 32 VAC 63 VDC 50 A, 50 A 3.18 mm x 1.58 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 5.8 mOhms
Littelfuse Surface Mount Fuses 48VAC 1.5A .099ohms 458 NANO2 1,704In Stock
4,500On Order
Cut Tape
¥400.3
¥370.4
¥352.1
¥284
Reel
¥194.3
Min.: 1
Mult.: 1
: 1,500
458 Surface Mount Fuses Fast Blow 1.5 A 48 VAC 75 VDC 50 A, 50 A 3.18 mm x 1.58 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 99 mOhms
Littelfuse Surface Mount Fuses 32VAC 10A .00465ohms 458 NANO2 11,356In Stock
Cut Tape
¥549.8
¥501.6
¥471.7
¥275.7
¥274.1
Reel
¥274.1
Min.: 1
Mult.: 1
: 1,500
458 Surface Mount Fuses Fast Blow 10 A 32 VAC 63 VDC 50 A, 50 A 3.18 mm x 1.58 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 4.65 mOhms
Littelfuse Surface Mount Fuses 48VAC 2.5A .06ohms 458 NANO2 3,010In Stock
Cut Tape
¥413.6
¥382
¥352.1
¥294
Reel
¥194.3
Min.: 1
Mult.: 1
: 1,500
458 Surface Mount Fuses Fast Blow 2.5 A 48 VAC 75 VDC 50 A, 50 A 3.18 mm x 1.58 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 60 mOhms
Littelfuse Surface Mount Fuses 32VAC 6.3A .0192ohms 458 NANO2 6,030In Stock
Cut Tape
¥421.9
¥382
¥363.8
¥294
Reel
¥194.3
Min.: 1
Mult.: 1
: 1,500
458 Surface Mount Fuses Fast Blow 6.3 A 32 VAC 75 VDC 50 A, 50 A 3.18 mm x 1.58 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 19.2 mOhms
Littelfuse Surface Mount Fuses 48VAC 3.15A .045ohms 458 NANO2 3,461In Stock
Cut Tape
¥431.9
¥378.7
¥355.5
¥290.7
Reel
¥194.3
Min.: 1
Mult.: 1
: 1,500
458 Surface Mount Fuses Fast Blow 3.15 A 48 VAC 75 VDC 50 A, 50 A 3.18 mm x 1.58 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 45 mOhms
Littelfuse Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2 7,507In Stock
5,000Expected 2/10/2027
Cut Tape
¥418.6
¥377
¥348.8
¥289
Reel
¥189.4
Min.: 1
Mult.: 1
: 2,500
461 Surface Mount Ceramic Fuses Time Delay / Slow Blow 500 mA 600 VAC 80 VDC 60 A 10.1 mm x 3.12 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 560 mOhms
Littelfuse Surface Mount Fuses 250VAC 2A .0354ohms 464 NANO2 3,701In Stock
6,000Expected 11/23/2026
Cut Tape
¥333.9
¥287.4
¥265.8
¥220.9
Reel
¥139.7
Min.: 1
Mult.: 1
: 1,500
464 Surface Mount Ceramic Fuses Fast Blow 2 A 250 VAC 250 VDC 100 A 12.1 mm x 4.5 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 35.4 mOhms
Littelfuse Surface Mount Fuses 250VAC 4A .0156ohms 464 NANO2 3,849In Stock
Cut Tape
¥333.9
¥287.4
¥265.8
¥220.9
Reel
¥139.7
Min.: 1
Mult.: 1
: 1,500
464 Surface Mount Ceramic Fuses Fast Blow 4 A 250 VAC 250 VDC 100 A 12.1 mm x 4.5 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 15.6 mOhms
Littelfuse Surface Mount Fuses 250VAC 5A .0119ohms 464 NANO2 1,813In Stock
Cut Tape
¥333.9
¥287.4
¥265.8
¥220.9
Reel
¥139.7
Min.: 1
Mult.: 1
: 1,500
464 Surface Mount Ceramic Fuses Fast Blow 5 A 250 VAC 250 VDC 100 A 12.1 mm x 4.5 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 11.9 mOhms
Littelfuse Surface Mount Fuses 250VAC 2.5A .0288ohms 464 NANO2 3,267In Stock
Cut Tape
¥299
¥257.5
¥242.5
¥201
Reel
¥139.7
Min.: 1
Mult.: 1
: 1,500
464 Surface Mount Ceramic Fuses Fast 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 28.8 mOhms
Littelfuse Surface Mount Fuses 250VAC 3.15A .0206ohms 464 NANO2 2,210In Stock
Cut Tape
¥312.3
¥275.7
¥262.4
¥210.9
Reel
¥139.7
Min.: 1
Mult.: 1
: 1,500
464 Surface Mount Ceramic Fuses Fast 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 20.6 mOhms
Littelfuse Surface Mount Fuses 250VAC 2A .039ohms 465 NANO2 1,403In Stock
3,000On Order
Cut Tape
¥363.8
¥330.5
¥295.7
¥252.5
Reel
¥162.4
Min.: 1
Mult.: 1
: 1,500
465 Surface Mount Ceramic Fuses Time Delay / Slow Blow 2 A 250 VAC 250 VDC 100 A 12.1 mm x 4.5 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 39 mOhms
Littelfuse Surface Mount Fuses 250VAC 5A .013ohms 465 NANO2 1,808In Stock
Cut Tape
¥410.3
¥370.4
¥332.2
¥284
Reel
¥184.4
Min.: 1
Mult.: 1
: 1,500
465 Surface Mount Ceramic Fuses Time Delay / Slow Blow 5 A 250 VAC 250 VDC 100 A 12.1 mm x 4.5 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 13 mOhms