Littelfuse 443 Series Surface Mount Fuses

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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 250VAC 1.5A .1ohms 443 NANO2
Datasheet
2.856In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 1.5 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 100 mOhms
Littelfuse Surface Mount Fuses 280VAC 0.5A .6ohms 443LC NANO2
Datasheet
5.926In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 500 mA 280 VAC 50 A at 280 VAC 10.08 mm x 3.05 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 600 mOhms
Littelfuse Surface Mount Fuses 280VAC 2A .052ohms 443LC NANO2
Datasheet
2.818In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 2 A 280 VAC 50 A at 280 VAC NANO - 55 C + 125 C Reel, Cut Tape, MouseReel 52 mOhms
Littelfuse Surface Mount Fuses 250VAC 1A .18ohms 443 NANO2
Datasheet
1.911In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 1 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 180 mOhms
Littelfuse Surface Mount Fuses 250VAC 2A .052ohms 443 NANO2
Datasheet
8.057In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 2 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 52 mOhms
Littelfuse Surface Mount Fuses 280VAC 3A .028ohms 443LC NANO2
Datasheet
2.021In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 3 A 280 VAC 50 A at 280 VAC 10.10 mm x 3.12 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 28 mOhms
Littelfuse Surface Mount Fuses 280VAC 4A .016ohms 443LC NANO2
Datasheet
10.671In Stock
9.000Expected 5/18/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 4 A 280 VAC 50 A at 280 VAC 10.10 mm x 3.12 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 16 mOhms
Littelfuse Surface Mount Fuses 250VAC 0.75A .275ohms 443 NANO2
Datasheet
1.105In Stock
1.500Expected 4/7/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 750 mA 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 275 mOhms
Littelfuse Surface Mount Fuses 280VAC 1A .18ohms 443LC NANO2
Datasheet
443In Stock
3.000Expected 6/15/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 1 A 280 VAC 50 A at 280 VAC 10.10 mm x 3.12 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 180 mOhms
Littelfuse Surface Mount Fuses 250VAC 4A .016ohms 443 NANO2
Datasheet
775In Stock
1.500Expected 7/13/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 4 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 16 mOhms
Littelfuse Surface Mount Fuses 280VAC 5A .0115ohm 443LC NANO2
Datasheet
113In Stock
1.500Expected 3/27/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 5 A 280 VAC 50 A at 280 VAC 10.10 mm x 3.12 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 11.5 mOhms
Littelfuse Surface Mount Fuses 250VAC 3.5A .019ohms 443 NANO2
Datasheet
1.043In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 3.5 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 19 mOhms
Littelfuse Surface Mount Fuses 250VAC 0.5A .6ohms 443 NANO2
Datasheet
3.000Expected 3/27/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 500 mA 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 600 mOhms
Littelfuse Surface Mount Fuses 250VAC 3A .028ohms 443 NANO2
Datasheet
2.925Expected 5/18/2026
MouseReel Available
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 250VAC 5A .0115ohms 443 NANO2
Datasheet
4.290On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 5 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 11.5 mOhms
Littelfuse Surface Mount Fuses 280VAC 1.5A .1ohms 443LC NANO2
Datasheet
6.000Expected 4/10/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 1.5 A 280 VAC 50 A at 280 VAC 10.10 mm x 3.12 mm - 55 C + 125 C Reel, Cut Tape, MouseReel 100 mOhms
Littelfuse Surface Mount Fuses 280VAC 0.75A .275ohms 443LC NANO2
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1.500
Mult.: 1.500
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 750 mA 280 VAC 50 A at 280 VAC - 55 C + 125 C Reel 275 mOhms
Littelfuse Surface Mount Fuses 250VAC 2.5A .035ohms 443 NANO2
Datasheet
Lead-Time 13 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 2.5 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 35 mOhms
Littelfuse Surface Mount Fuses 280VAC 2.5A .035ohms 443LC NANO2
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1.500
Mult.: 1.500
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 2.5 A 280 VAC 50 A at 280 VAC 10.10 mm x 3.12 mm - 55 C + 125 C Reel 35 mOhms
Littelfuse Surface Mount Fuses 280VAC 3.5A .019ohms 443LC NANO2
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 1.500
Mult.: 1.500
Reel: 1.500

443 Surface Mount Fuses Time Delay / Slow Blow 3.5 A 280 VAC 50 A at 280 VAC 10.10 mm x 3.12 mm - 55 C + 125 C Reel 19 mOhms