443LC 280VAC NANO2 Subminiature SMD Fuses

Littelfuse 443LC NANO2® Subminiature SMD Fuses are small square surface mount fuses with 280VAC voltage rating. The 443LC series is fully compatible with lead-free solder alloy and higher temperature profiles associated with lead-free assembly. These fuses are available in 0.50A - 5.00A. Typical applications include AC/DC power adapters, telecom equipment system power, portable system built-in AC/DC converters, high voltage DC/DC converters, lighting systems, and LED lighting.

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Qty. RoHS ECAD Model Series
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Voltage Rating AC
Interrupt Rating
Fuse Size/Group
Minimum Operating Temperature
Maximum Operating Temperature
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Resistance
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
2,820In 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 280VAC 3A .028ohms 443LC NANO2
Datasheet
2,121In 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
12,171In Stock
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 280VAC 1A .18ohms 443LC NANO2
Datasheet
1,443In Stock
3,000Expected 15/06/2026
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 280VAC 5A .0115ohm 443LC NANO2
Datasheet
113In Stock
1,500Expected 27/03/2026
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 280VAC 1.5A .1ohms 443LC NANO2
Datasheet
6,000Expected 10/04/2026
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 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