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 Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .350A 9,739In Stock
Min.: 1
Mult.: 1
Reel: 10,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 0.75A 3,175In Stock
4,000Expected 23/02/2026
Min.: 1
Mult.: 1
Reel: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 3.00A 3,418In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 0.75A 4,254In Stock
Min.: 1
Mult.: 1
Reel: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 12V POLYFUSE 1206 LoRho SL 1.1A 3,269In Stock
Min.: 1
Mult.: 1
Reel: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.10A 3,538In Stock
Min.: 1
Mult.: 1
Reel: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.75A 7,164In Stock
Min.: 1
Mult.: 1
Reel: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 2.6A 7,534In Stock
Min.: 1
Mult.: 1
Reel: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.80A 3,250In Stock
Min.: 1
Mult.: 1
Reel: 4,000

Resettable Fuses - PPTC

Littelfuse Resettable Fuses - PPTC 6V 5.0A-HD 50A MAX 4,452In Stock
6,000Expected 27/04/2026
Min.: 1
Mult.: 1
Reel: 3,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V 3.0A 1210 PTC SL 14,407In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 3.5A 4,042In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Resettable Fuses - PPTC

Littelfuse Resettable Fuses - PPTC 24V 3.0A-HD 50A SMD 4,956In Stock
5,000Expected 23/02/2026
Min.: 1
Mult.: 1
Reel: 2,500

Resettable Fuses - PPTC

Littelfuse Resettable Fuses - PPTC 24V 6.0A-HD 100A MAX 5,649In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Resettable Fuses - PPTC
Littelfuse Industrial & Electrical Fuses 25A 600VAC J Fuses 160In Stock
Min.: 1
Mult.: 1
Industrial Power Fuses Class J Cartridge Fuses 25 A 600 VAC

Littelfuse Resettable Fuses - PPTC 6V 3.5A-HD 50A SMD 852In Stock
Min.: 1
Mult.: 1
Reel: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 4.50A 945In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V 5A 1210 POLYFUSE SURF MOUNT 1,193In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Resettable Fuses - PPTC

Littelfuse Resettable Fuses - PPTC 6V 6.0A-HD 50A SMD 56In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Resettable Fuses - PPTC
Littelfuse Industrial & Electrical Fuses 20A 600VAC 300VDC Class T 7In Stock
Min.: 1
Mult.: 1

Industrial Power Fuses Class T Cartridge Fuses 20 A 600 VAC 300 VDC
Littelfuse Industrial & Electrical Fuses 30A 600VAC 300VDC Class T 1In Stock
Min.: 1
Mult.: 1

Industrial Power Fuses Class T Cartridge Fuses 30 A 600 VAC 300 VDC
Littelfuse Industrial & Electrical Fuses 50A 600VAC 300VDC Class T 1In Stock
Min.: 1
Mult.: 1

Industrial Power Fuses Class T Cartridge Fuses 50 A 600 VAC 300 VDC
Littelfuse Industrial & Electrical Fuses 60A 600VAC 300VDC Class T 7In Stock
Min.: 1
Mult.: 1

Industrial Power Fuses Class T Cartridge Fuses 60 A 600 VAC 300 VDC
Littelfuse Industrial & Electrical Fuses 70A 600VAC 300VDC Class T 6In Stock
Min.: 1
Mult.: 1

Industrial Power Fuses Class T Cartridge Fuses 70 A 600 VAC 300 VDC
Littelfuse Industrial & Electrical Fuses 80A 600VAC 300VDC Class T 17In Stock
Min.: 1
Mult.: 1

Industrial Power Fuses Class T Cartridge Fuses 80 A 600 VAC 300 VDC