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.

Mga Resulta: 236
Pumili Larawan # ng Piyesa Mfr. Paglalarawan Datasheet Availability Pagpepresyo (PHP) I-filter ang mga resulta sa talahanayan ayon sa unit price batay sa iyong dami. Dami RoHS ECAD Model Series Produkto Uri ng Fuse Rating ng Current Rating ng Voltage AC Rating ng Voltage DC Interrupt Rating Laki / Grupo ng Fuse Minimum na Operating Temperature Maximum na Operating Temperature Packaging Resistance
Littelfuse Surface Mount Fuses 250VAC 3A .028ohms 443 NANO2 2,430May Stock
Min.: 1
Mult.: 1
Reel: 1,500

443 Surface Mount Fuses Time Delay / Slow Blow 3 A 250 VAC 125 VDC 50 A at 250 VAC, 100 A at 125 VDC 10.08 mm x 3.05 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 28 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.062A 5.56ohms 448 NANO2 1,385May Stock
Min.: 1
Mult.: 1
Reel: 1,000

448 Surface Mount Fuses Fast Blow 62 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 5.56 Ohms
Littelfuse Surface Mount Fuses 125VAC 0.2A 1.24ohms 448 NANO2 1,855May Stock
Min.: 1
Mult.: 1
Reel: 1,000

448 Surface Mount Fuses Fast Blow 200 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 1.24 Ohms
Littelfuse Surface Mount Fuses 125VAC 0.315A .7015ohms 448 NANO2 1,995May Stock
Min.: 1
Mult.: 1
Reel: 1,000

448 Surface Mount Fuses Fast Blow 315 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 701.5 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.5A .38ohms 448 NANO2 2,982May Stock
Min.: 1
Mult.: 1
Reel: 1,000

448 Surface Mount Fuses Fast Blow 500 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 380 mOhms
Littelfuse Surface Mount Fuses 125VAC 3A .02445ohms 448 NANO2 2,337May Stock
Min.: 1
Mult.: 1
Reel: 1,000

448 Surface Mount Fuses Fast Blow 3 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 24.45 mOhms
Littelfuse Surface Mount Fuses 65VAC 15A .00394ohms 448 NANO2 5,779May Stock
Min.: 1
Mult.: 1
Reel: 1,000

448 Surface Mount Fuses Fast Blow 15 A 65 VAC 85 VDC 50 A at 65 VAC, 200 A at 85 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 3.94 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.75A .408ohms 449 NANO2 1,399May Stock
Min.: 1
Mult.: 1
Reel: 1,000

449 Surface Mount Fuses Time Delay / Slow Blow 750 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 408 mOhms
Littelfuse Surface Mount Fuses 125VAC 1A .2516ohms 449 NANO2 4,391May Stock
Min.: 1
Mult.: 1
Reel: 1,000

449 Surface Mount Fuses Time Delay / Slow Blow 1 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 251.6 mOhms
Littelfuse Surface Mount Fuses 125VAC 2A .0708ohms 449 NANO2 3,888May Stock
Min.: 1
Mult.: 1
Reel: 1,000

449 Surface Mount Fuses Time Delay / Slow Blow 2 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 70.8 mOhms
Littelfuse Surface Mount Fuses 125VAC 3A .0352ohms 449 NANO2 1,469May Stock
2,000Inaasahan 3/27/2026
Min.: 1
Mult.: 1
Reel: 1,000

449 Surface Mount Fuses Time Delay / Slow Blow 3 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 35.2 mOhms
Littelfuse Surface Mount Fuses 125VAC 5A .0171ohms 449 NANO2 3,485May Stock
Min.: 1
Mult.: 1
Reel: 1,000

449 Surface Mount Fuses Time Delay / Slow Blow 5 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 17.1 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.08A 4.05ohms 451 NANO2 1,238May Stock
Min.: 1
Mult.: 1
Reel: 1,000

451 Surface Mount Ceramic Fuses Fast Blow 80 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC, 300 A at 32 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 4.05 Ohms
Littelfuse Surface Mount Fuses 125VAC 0.1A 3.1ohms 451 NANO2 5,882May Stock
Min.: 1
Mult.: 1
Reel: 1,000

451 Surface Mount Ceramic Fuses Fast Blow 100 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC, 300 A at 32 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 3.1 Ohms
Littelfuse Surface Mount Fuses 125VAC 0.125A 1.7ohms 451 NANO2 3,901May Stock
8,000Inoorder
Min.: 1
Mult.: 1
Reel: 1,000

451 Surface Mount Ceramic Fuses Fast Blow 125 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC, 300 A at 32 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 78 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.16A 1.2157ohms 451 NANO2 1,044May Stock
1,000Inaasahan 4/1/2026
Min.: 1
Mult.: 1
Reel: 1,000

451 Surface Mount Ceramic Fuses Fast Blow 160 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC, 300 A at 32 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 1.2157 Ohms
Littelfuse Surface Mount Fuses 125VAC 0.315A .3918ohms 451 NANO2 11,036May Stock
Min.: 1
Mult.: 1
Reel: 1,000

451 Surface Mount Ceramic Fuses Fast Blow 315 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC, 300 A at 32 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 391.8 mOhms
Littelfuse Surface Mount Fuses 125VAC 0.5A .3046ohms 451 NANO2 2,391May Stock
Min.: 1
Mult.: 1
Reel: 5,000

451 Surface Mount Ceramic Fuses Fast Blow 500 mA 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC, 300 A at 32 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 304.6 mOhms
Littelfuse Surface Mount Fuses 125VAC 1A .078ohms 451 NANO2 7,463May Stock
6,000Inaasahan 5/28/2026
Min.: 1
Mult.: 1
Reel: 1,000

451 Surface Mount Ceramic Fuses Fast Blow 1 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC, 300 A at 32 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 78 mOhms
Littelfuse Surface Mount Fuses 125VAC 2A .0367ohms 451 NANO2 21,797May Stock
21,000Inaasahan 5/28/2026
Min.: 1
Mult.: 1
Reel: 1,000

451 Surface Mount Ceramic Fuses Fast Blow 2 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC, 300 A at 32 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 36.7 mOhms
Littelfuse Surface Mount Fuses 125VAC 3A .0227ohms 451 NANO2 13,351May Stock
11,000Inaasahan 6/15/2026
Min.: 1
Mult.: 1
Reel: 1,000

451 Surface Mount Ceramic Fuses Fast Blow 3 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC, 300 A at 32 VDC 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 451 NANO2 6,908May Stock
6,000Inaasahan 3/24/2026
Min.: 1
Mult.: 1
Reel: 1,000

451 Surface Mount Ceramic Fuses Fast Blow 4 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC, 300 A at 32 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 16 mOhms
Littelfuse Surface Mount Fuses 125VAC 5A .0125ohms 451 NANO2 30,151May Stock
Min.: 1
Mult.: 1
Reel: 1,000

451 Surface Mount Ceramic Fuses Fast Blow 5 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC, 300 A at 32 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 12.5 mOhms
Littelfuse Surface Mount Fuses 125VAC 5A .0125ohms 451 NANO2 2,199May Stock
Min.: 1
Mult.: 1
Reel: 5,000

451 Surface Mount Ceramic Fuses Fast Blow 5 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC, 300 A at 32 VDC 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 451 NANO2 3,718May Stock
Min.: 1
Mult.: 1
Reel: 1,000

451 Surface Mount Ceramic Fuses Fast Blow 8 A 125 VAC 125 VDC 50 A at 125 VAC, 50 A at 125 VDC, 400 A at 32 VDC 6.1 mm x 2.69 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 7.7 mOhms