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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.

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Select Image Part # Mfr. Description Datasheet Availability Pricing (CHF) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM 3’429In Stock
Min.: 1
Mult.: 1

Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM 1’476In Stock
Min.: 1
Mult.: 1

Littelfuse Varistors 140V 250A 105pF 13 Inch Reel 4’342In Stock
Min.: 1
Mult.: 1
: 4’000

Littelfuse Varistors 26V 150A 900pF 9’487In Stock
Min.: 1
Mult.: 1
: 2’500

Littelfuse Varistors 3.5V 100A 6000pF 3’954In Stock
Min.: 1
Mult.: 1
: 2’500

Littelfuse Varistors 750V 40kA 2700pF 110In Stock
Min.: 1
Mult.: 1

Littelfuse Varistors 820V 2500pF 9’186In Stock
Min.: 1
Mult.: 1

Littelfuse Varistors 660V 70pF 4’988In Stock
Min.: 1
Mult.: 1

IXYS Rectifiers Power Diode Discretes-Rectifier TO-247AD 1’590In Stock
Min.: 1
Mult.: 1

IXYS Small Signal Switching Diodes HiPerFRED 2nd Gen Fast Diodes 235In Stock
Min.: 1
Mult.: 1

IXYS Rectifiers 30 Amps 1600V 3’605In Stock
550Expected 8/31/2026
Min.: 1
Mult.: 1


Littelfuse Resettable Fuses - PPTC 6V 600MA-HD 50A SMD 3’696In Stock
Min.: 1
Mult.: 1
: 4’000


Littelfuse Resettable Fuses - PPTC 12V 3.5A-HD 10A SMD 2’256In Stock
Min.: 1
Mult.: 1
: 3’000

Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1812 LoRho SL 2.60A 2’782In Stock
Min.: 1
Mult.: 1
: 2’000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 4.0KV 3’705In Stock
Min.: 1
Mult.: 1
: 500

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 4.5KV 1’554In Stock
Min.: 1
Mult.: 1
: 500

Littelfuse Schottky Diodes & Rectifiers 5A 80V TO-277B 8’333In Stock
Min.: 1
Mult.: 1
: 5’000

Littelfuse Schottky Diodes & Rectifiers 8A 100V TO-277B 11’760In Stock
Min.: 1
Mult.: 1
: 5’000

Littelfuse Thyristor Surge Protection Devices - TSPD 6V 500A SIDACtor 6’543In Stock
Min.: 1
Mult.: 1
: 5’000

Littelfuse Thyristor Surge Protection Devices - TSPD 22V 500A DO214 2L SIDACtor Bi 4’594In Stock
Min.: 1
Mult.: 1
: 2’500

Littelfuse Thyristor Surge Protection Devices - TSPD 500A 22V 9’954In Stock
Min.: 1
Mult.: 1

Littelfuse Thyristor Surge Protection Devices - TSPD 50A 25V 3’701In Stock
Min.: 1
Mult.: 1
: 2’500

Littelfuse Thyristor Surge Protection Devices - TSPD 500A 90V 2’616In Stock
Min.: 1
Mult.: 1
: 2’500

Littelfuse Varistors THERMALLY PROTECTED VARISTOR 14MM 2’834In Stock
Min.: 1
Mult.: 1

Littelfuse Varistors THERMALLY PROTECTED VARISTOR 20MM 5’140In Stock
Min.: 1
Mult.: 1