AC/DC Power Supply

Littelfuse AC/DC Power Supply is a commonly used building block in electronic designs. The components in these power supply building blocks need to be reliable and long-lasting, and Littelfuse offers a range of products that fit those requirements. This portfolio of components covers overcurrent and overvoltage protection, the power stage, and output protection. Typical applications for Littelfuse AC/DC Power Supply products include automotive, solar, industrial, manufacturing, and more.

Results: 521
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS Product Type Fuse Size/Group Body Style Current Rating Voltage Rating AC Voltage Rating DC
Littelfuse Cartridge Fuses 250V 20A TL HBC 65In Stock
1,000Expected 04/05/2026
Min.: 1
Mult.: 1
Reel: 1,000

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 20 A 250 VAC
Littelfuse Cartridge Fuses 250V 6.3A PGT Radial T HBC 900In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250V 6.3A 5x20mm Slo-Blo 840In Stock
Min.: 1
Mult.: 1

Ceramic Fuse 5 mm x 20 mm Cylindrical 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250V 6.3A IEC TD HBC 160In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.25A Slo-Blo 33In Stock
500Expected 30/03/2026
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.25A IEC TD HBC 46In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 1.25 A 250 VAC
Littelfuse Cartridge Fuses FUSE 250V 5x20 PT RAD TL PB-FREE 3.15A 997In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250V 3.15A Slo-Blo 1,354In Stock
2,000Expected 21/05/2026
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC
Littelfuse Fuses with Leads - Through Hole 125V FM10A PICO MIL 1A 2In Stock
Min.: 1
Mult.: 1

PCB Mount Fuse PICO II Leaded Fuses 1 A 125 VAC 125 VDC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 1.75A 1,187In Stock
Min.: 1
Mult.: 1
Reel: 4,000

Resettable Fuses - PPTC

Littelfuse Resettable Fuses - PPTC 12V 4.0A-HD 50A SMD 1,218In Stock
6,000Expected 23/02/2026
Min.: 1
Mult.: 1
Reel: 3,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 2A 331In Stock
Min.: 1
Mult.: 1
Reel: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 4A 1,403In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Resettable Fuses - PPTC

Littelfuse Resettable Fuses - PPTC 6V 9.0A-HD 50A SMD 7In Stock
4,000Expected 03/04/2026
Min.: 1
Mult.: 1
Reel: 2,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1812 LoRho SL 3.00A 121In Stock
Min.: 1
Mult.: 1
Reel: 2,000

Resettable Fuses - PPTC
Littelfuse Industrial & Electrical Fuses 2A 600VAC 300VDC Class T 1In Stock
Min.: 1
Mult.: 1

Industrial Power Fuses Class T Cartridge Fuses 2 A 600 VAC 300 VDC
Littelfuse Industrial & Electrical Fuses 60A 600VAC 300VDC CLASS T 6In Stock
Min.: 1
Mult.: 1

Industrial Power Fuses Class T Cartridge Leaded Fuses 60 A 600 VAC 300 VDC
Littelfuse Industrial & Electrical Fuses 10A 600VAC J Fuses 5In Stock
5Expected 24/02/2026
Min.: 1
Mult.: 1
Industrial Power Fuses Class J Cartridge Fuses 10 A 600 VAC
Littelfuse Industrial & Electrical Fuses 15A 600VAC J Fuses 3In Stock
Min.: 1
Mult.: 1
Industrial Power Fuses Class J Cartridge Fuses 15 A 600 VAC
Littelfuse Industrial & Electrical Fuses 20A 600VAC J Fuses 12In Stock
Min.: 1
Mult.: 1
Industrial Power Fuses Class J Cartridge Fuses 20 A 600 VAC
Littelfuse Industrial & Electrical Fuses 30A 600VAC J Fuses 20In Stock
Min.: 1
Mult.: 1
Industrial Power Fuses Class J Cartridge Fuses 30 A 600 VAC
Littelfuse Industrial & Electrical Fuses 35A 600VAC J Fuses 3In Stock
Min.: 1
Mult.: 1
Industrial Power Fuses Class J Cartridge Fuses 35 A 600 VAC
Littelfuse Industrial & Electrical Fuses 40A 600VAC J Fuses 11In Stock
Min.: 1
Mult.: 1
Industrial Power Fuses Class J Cartridge Fuses 40 A 600 VAC
Littelfuse Industrial & Electrical Fuses 50A 600VAC J Fuses 1In Stock
Min.: 1
Mult.: 1
Industrial Power Fuses Class J Cartridge Fuses 50 A 600 VAC
Littelfuse Industrial & Electrical Fuses 60A 600VAC J Fuses 37In Stock
Min.: 1
Mult.: 1
Industrial Power Fuses Class J Cartridge Fuses 60 A 600 VAC