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 65VAC 12A .0049ohms 451 NANO2 8,523In Stock
Cut Tape
¥558.1
¥508.3
¥460.1
¥385.4
Reel
¥267.4
Min.: 1
Mult.: 1
: 1,000
451 Surface Mount Ceramic Fuses Fast Blow 12 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 4.9 mOhms
Littelfuse Surface Mount Fuses 125VAC 2.5A .0286ohms 451 NANO2 8,263In Stock
Cut Tape
¥345.5
¥312.3
¥294
¥254.1
Reel
¥169.4
Min.: 1
Mult.: 1
: 1,000
451 Surface Mount Ceramic Fuses Fast 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 28.6 mOhms
Littelfuse Surface Mount Fuses 125VAC 3.5A .02ohms 451 NANO2 4,262In Stock
Cut Tape
¥363.8
¥332.2
¥315.6
¥254.1
Reel
¥169.4
Min.: 1
Mult.: 1
: 1,000
451 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 6.3A .0096ohms 451 NANO2 3,819In Stock
6,000Expected 11/3/2026
Cut Tape
¥380.4
¥342.2
¥307.3
¥262.4
Reel
¥169.4
Min.: 1
Mult.: 1
: 1,000
451 Surface Mount Ceramic Fuses Fast Blow 6.3 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 9.6 mOhms
Littelfuse Surface Mount Fuses 125VAC 1.25A .078ohms 451 NANO2 2,088In Stock
2,000Expected 4/22/2027
Cut Tape
¥372.1
¥338.8
¥304
¥262.4
Reel
¥169.4
Min.: 1
Mult.: 1
: 1,000
451 Surface Mount Ceramic Fuses Fast Blow 1.25 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 3.15A .0215ohms 451 NANO2 6,377In Stock
Cut Tape
¥387
¥342.2
¥313.9
¥262.4
Reel
¥169.4
Min.: 1
Mult.: 1
: 1,000
451 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 0.375A 1.2ohms 452 NANO2 7,867In Stock
Cut Tape
¥468.4
¥436.8
¥378.7
¥312.3
Reel
¥229.2
Min.: 1
Mult.: 1
: 1,000
452 Surface Mount Ceramic Fuses Time Delay / Slow 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 1.2 Ohms
Littelfuse Surface Mount Fuses 125VAC 0.75A .36ohms 452 NANO2 1,202In Stock
10,000On Order
Cut Tape
¥456.8
¥406.9
¥377
¥312.3
Reel
¥229.2
Min.: 1
Mult.: 1
: 1,000
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 1A .225ohms 452 NANO2 3,894In Stock
Cut Tape
¥501.6
¥441.8
¥415.3
¥338.8
Reel
¥229.2
Min.: 1
Mult.: 1
: 5,000
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 4,386In Stock
Cut Tape
¥481.7
¥446.8
¥400.3
¥345.5
Reel
¥229.2
Min.: 1
Mult.: 1
: 5,000
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 2.5A .045ohms 452 NANO2 2,457In Stock
Cut Tape
¥501.6
¥441.8
¥415.3
¥338.8
Reel
¥229.2
Min.: 1
Mult.: 1
: 5,000
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 125VAC 3.5A .0224ohms 452 NANO2 7,688In Stock
Cut Tape
¥480
¥441.8
¥395.3
¥345.5
Reel
¥229.2
Min.: 1
Mult.: 1
: 1,000
452 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 125VAC 3.5A .0224ohms 452 NANO2 3,035In Stock
Cut Tape
¥501.6
¥441.8
¥415.3
¥338.8
Reel
¥229.2
Min.: 1
Mult.: 1
: 5,000
452 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 125VAC 0.16A 1.2157ohms 453 NANO2 799In Stock
Cut Tape
¥747.5
¥651.1
¥616.2
¥496.6
Reel
¥338.8
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast Blow 160 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 1.2157 Ohms
Littelfuse Surface Mount Fuses 125VAC 0.5A .3046ohms 453 NANO2 3,019In Stock
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 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 304.6 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.8A .1355ohms 453 NANO2 1,997In Stock
Cut Tape
¥320.6
¥289
¥274.1
¥220.9
Reel
¥150.8
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast Blow 800 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 135.5 mOhms
Littelfuse Surface Mount Fuses 125VAC 3A .0227ohms 453 NANO2 5,332In Stock
Cut Tape
¥328.9
¥287.4
¥270.7
¥227.6
Reel
¥150.8
Min.: 1
Mult.: 1
: 1,000
453 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 4A .016ohms 453 NANO2 2,605In Stock
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 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 125VAC 5A .0125ohms 453 NANO2 13,465In Stock
Cut Tape
¥264.1
¥234.2
¥201
¥174.4
Reel
¥131.9
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast 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 12.5 mOhms
Littelfuse Surface Mount Fuses 125VAC 8A .0077ohms 453 NANO2 4,305In Stock
Cut Tape
¥310.6
¥275.7
¥227.6
¥201
Reel
¥150.8
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast Blow 8 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 7.7 mOhms
Littelfuse Surface Mount Fuses 125VAC 1.5A .063ohms 453 NANO2 7,232In Stock
Cut Tape
¥353.8
¥308.9
¥284
¥229.2
Reel
¥150.8
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast 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 63 mOhms
Littelfuse Surface Mount Fuses 65VAC 12A .0049ohms 453 NANO2 2,040In Stock
Cut Tape
¥534.8
¥468.4
¥431.9
¥358.8
Reel
¥239.2
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast Blow 12 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 4.9 mOhms
Littelfuse Surface Mount Fuses 65VAC 15A .0037ohms 453 NANO2 1,670In Stock
5,000Expected 4/15/2027
Cut Tape
¥533.2
¥468.4
¥403.6
¥322.2
Reel
¥239.2
Min.: 1
Mult.: 1
: 1,000
453 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 63 mOhms
Littelfuse Surface Mount Fuses 125VAC 6.3A .0096ohms 453 NANO2 3,600In Stock
Cut Tape
¥330.5
¥300.6
¥267.4
¥234.2
Reel
¥150.8
Min.: 1
Mult.: 1
: 1,000
453 Surface Mount Ceramic Fuses Fast Blow 6.3 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 9.6 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.375A 1.2ohms 454 NANO2 1,366In Stock
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 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 1.2 Ohms