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: 496
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 Mfr.
Description Datasheet Availability Pricing (JPY) 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 FUSE 250V 5X20 PT RAD TL PB-FREE 10A
Datasheet
982In Stock
1,000Expected 8/20/2026
Min.: 1
Mult.: 1

Ceramic Fuse 5 mm x 20 mm Cylindrical 10 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.25A Slo-Blo
Datasheet
795In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.25 A 250 VAC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 2.6A
Datasheet
54In Stock
4,000Expected 1/4/2027
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

Resettable Fuses - PPTC
Littelfuse Industrial & Electrical Fuses 450A 600VAC 300VDC CLASS T
Datasheet
2In Stock
Min.: 1
Mult.: 1

Cartridge Leaded Fuses 450 A 600 VAC 300 VDC
Littelfuse Cartridge Fuses 250V 10A Slo-Blo
Datasheet
57In Stock
1,000On Order
Min.: 1
Mult.: 1

Ceramic Fuse 5 mm x 20 mm Cylindrical 10 A 250 VAC
Littelfuse Cartridge Fuses FUS 5X20 PGT RAD FORM T HBC 3.15A/250V-P
Datasheet
776In Stock
Min.: 1
Mult.: 1

Ceramic Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC
Littelfuse Industrial & Electrical Fuses 300A 600VAC 300VDC Class T
Datasheet
5In Stock
Min.: 1
Mult.: 1

Cartridge Leaded Fuses 300 A 600 VAC 300 VDC
Littelfuse Industrial & Electrical Fuses 50A 600VAC J Fuses
Datasheet
3In Stock
Min.: 1
Mult.: 1
Cartridge Fuses 50 A 600 VAC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 1.75A
Datasheet
1,057In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

Resettable Fuses - PPTC
Littelfuse Cartridge Fuses 250V 4A Slo-Blo
Datasheet
43,720In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 4 A 250 VAC
Littelfuse Cartridge Fuses 250V 3.15A Slo-Blo
Datasheet
13,714In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .350A
Datasheet
15,723In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 0.50A
Datasheet
22,991In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 4A
Datasheet
26,480In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V 3.0A 1210 PTC SL
Datasheet
17,023In Stock
Min.: 1
Mult.: 1
: 3,000

Resettable Fuses - PPTC

Littelfuse Resettable Fuses - PPTC 24V 5.0A-HD 50A SMD
Datasheet
12,013In Stock
16,500Expected 9/17/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

Resettable Fuses - PPTC

Littelfuse Resettable Fuses - PPTC 24V 7.0A-HD 22A SMD
Datasheet
14,723In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 9V 3A 0603 POLYFUSE SURF MOUNT
Datasheet
5,107In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

Resettable Fuses - PPTC
Littelfuse Cartridge Fuses 250V .2A Slo-Blo
Datasheet
1,345In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V .315A Slo-Blo
Datasheet
1,095In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 315 mA 250 VAC
Littelfuse Cartridge Fuses 250V .5A Slo-Blo
Datasheet
5,008In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V 1A Slo-Blo
Datasheet
7,622In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo
Datasheet
1,624In Stock
6,100On Order
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo
Datasheet
1,638In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Slo-Blo
Datasheet
6,020In Stock
7,600On Order
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 5 A 250 VAC