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
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Description Datasheet Availability Pricing (EUR) 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 Resettable Fuses - PPTC PTC 6V POLYFUSE SURF MOUNT 1210 SL 6.00A
Datasheet
56In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3 000

Resettable Fuses - PPTC
Littelfuse Fuses with Leads - Through Hole 32V 15A Pico II Very Fast Acting
Datasheet
688In Stock
Min.: 1
Mult.: 1
No
PCB Mount Fuse PICO II Leaded Fuses 1.5 A 32 VAC 32 VDC
Littelfuse Cartridge Fuses 250V 4A Slo-Blo
Datasheet
576In Stock
7 000Expected 18/06/2026
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 4 A 250 VAC
Littelfuse Cartridge Fuses 250V 2.5A Slo-Blo
Datasheet
1 848On Order
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 2.5 A 250 VAC
Littelfuse Cartridge Fuses 250V 6.3A Slo-Blo
Datasheet
1 000Expected 10/06/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 6.3 A 250 VAC

Littelfuse Resettable Fuses - PPTC PTC 6V POLYFUSE SURF MOUNT 0402 SL 1.00A
Datasheet
9 999Expected 30/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10 000

Resettable Fuses - PPTC
Littelfuse Industrial & Electrical Fuses 200A 600VAC J Fuses
Datasheet
12In Stock
56On Order
Min.: 1
Mult.: 1
Industrial Power Fuses Class J Cartridge Blade Fuses 200 A 600 VAC
Littelfuse Cartridge Fuses 250V .125A 5X20 TL HBC
Datasheet
973Expected 31/03/2026
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 125 mA 250 VAC
Littelfuse Cartridge Fuses 250V 5X20mm (P) 4AMP 25In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 4 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.6A Slo-Blo
Datasheet
1 000On Order
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 1.6 A 250 VAC
Littelfuse Cartridge Fuses 250V 10A PGT T5 T HBC
1 000Expected 24/03/2026
Min.: 1
Mult.: 1
Reel: 1 000

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 10 A 250 VAC
Littelfuse Cartridge Fuses 250V 12A SB HBC
190On Order
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 12 A 250 VAC
Littelfuse Fuses with Leads - Through Hole 125V .062A FM Fast Acting
Datasheet
60Expected 24/03/2026
Min.: 1
Mult.: 1
No
PCB Mount Fuse PICO II Leaded Fuses 62 mA 125 VAC 125 VDC
Littelfuse Industrial & Electrical Fuses 800A 600VAC 300VDC CLASS T
Datasheet
1Stock Available
More Info Available
Min.: 1
Mult.: 1

Industrial Power Fuses Class T Cartridge Leaded Fuses 800 A 600 VAC 300 VDC
Littelfuse Industrial & Electrical Fuses 70A 600VAC J Fuses
Datasheet
12Stock Available
More Info Available
Min.: 1
Mult.: 1

Industrial Power Fuses Class J Cartridge Blade Fuses 70 A 600 VAC
Littelfuse Industrial & Electrical Fuses 90A 600VAC J Fuses
Datasheet
1Stock Available
More Info Available
Min.: 1
Mult.: 1

Industrial Power Fuses Class J Cartridge Blade Fuses 90 A 600 VAC
Littelfuse Industrial & Electrical Fuses 250A 600VAC J Fuses
Datasheet
1Stock Available
More Info Available
Min.: 1
Mult.: 1

Industrial Power Fuses Class J Cartridge Blade Fuses 250 A 600 VAC
Littelfuse Industrial & Electrical Fuses 400A 600VAC J Fuses
Datasheet
1Stock Available
More Info Available
Min.: 1
Mult.: 1

Industrial Power Fuses Class J Cartridge Blade Fuses 400 A 600 VAC
Littelfuse Industrial & Electrical Fuses 3A 600VAC J Fuses
Datasheet
7Stock Available
More Info Available
Min.: 1
Mult.: 1

Industrial Power Fuses Class J Cartridge Fuses 3 A 600 VAC
Littelfuse Industrial & Electrical Fuses 110A 600VAC J Fuses
Datasheet
4Stock Available
More Info Available
Min.: 1
Mult.: 1

Industrial Power Fuses Class J Cartridge Blade Fuses 110 A 600 VAC
Littelfuse Industrial & Electrical Fuses 175A 600VAC J Fuses
Datasheet
3Stock Available
More Info Available
Min.: 1
Mult.: 1

Industrial Power Fuses Class J Cartridge Blade Fuses 175 A 600 VAC
Littelfuse Fuses with Leads - Through Hole 125V 10A FM10A Mil
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 1 000
Mult.: 1 000
No
PCB Mount Fuse PICO II Leaded Fuses 10 A 125 VAC 125 VDC
Littelfuse Fuses with Leads - Through Hole 125V FM10A PICO MIL .250A
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 5 000
Mult.: 5 000

PCB Mount Fuse PICO II Leaded Fuses 250 mA 125 VAC 125 VDC
Littelfuse Resettable Fuses - PPTC PTC 6V POLYFUSE SURF MOUNT 0603 SL 1.75A
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 4 000
Mult.: 4 000
Reel: 4 000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V 2.00A 0603 SL PTC
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 4 000
Mult.: 4 000
Reel: 4 000

Resettable Fuses - PPTC