Heat Pumps

Littelfuse provides a broad portfolio of components for heat pumps, including fuses, TVS diodes, gate drivers, and more. The heat pump market is growing quickly, driven by government initiatives to reduce greenhouse gas emissions and rising energy costs. With inverter-driven motors improving system efficiencies, heat pumps can now be used in a wide range of climates. Learn how Littelfuse technologies make heat pumps safer, more reliable, and more energy efficient. Heat pumps can be used in a wide range of climates due to the inverter-driven motors improving system efficiencies. These components are suitable for various applications such as energy management, security systems, HVAC systems, smoke detectors, and IoT-controlled appliances. Littelfuse offers protect, control, and sense technologies to improve buildings' reliability, safety, and energy efficiency.

Types of Fuses

Change category view
Results: 1 620
Select Image Part # Mfr. 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 Cartridge Fuses 250 V 0.63A 5x20mm Fast Acting 3 410In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 630 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.8A 5x20mm Fast Acting 680In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 800 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.8A 5x20mm Fast Acting 1 666In Stock
3 000Expected 02/02/2027
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 800 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.8A 5x20mm Fast Acting 591In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 800 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 1A 5x20mm Fast Acting 877In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1 A 250 VAC
Littelfuse Cartridge Fuses 250 V 1A 5x20mm Fast Acting 1 946In Stock
23 000On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1 A 250 VAC
Littelfuse Cartridge Fuses 250 V 1A 5x20mm Fast Acting 10In Stock
215On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1 A 250 VAC
Littelfuse Cartridge Fuses 250 V 2A 5x20mm Fast Acting 3 956In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 2 A 250 VAC
Littelfuse Cartridge Fuses 250 V 2A 5x20mm Fast Acting 465In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 2 A 250 VAC
Littelfuse Cartridge Fuses 250 V 4A 5x20mm Fast Acting 2 935In Stock
14 000On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 4 A 250 VAC
Littelfuse Cartridge Fuses 250 V 4A 5x20mm Fast Acting 23In Stock
900On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 4 A 250 VAC
Littelfuse Cartridge Fuses 250 V 5A 5x20mm Fast Acting 568In Stock
40 100On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 5 A 250 VAC
Littelfuse Cartridge Fuses 250 V 5A 5x20mm Fast Acting 862In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 5 A 250 VAC
Littelfuse Cartridge Fuses 250 V 5A 5x20mm Fast Acting 2 526In Stock
18 000On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 5 A 250 VAC
Littelfuse Cartridge Fuses 250 V 5A 5x20mm Fast Acting 19In Stock
1 100On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 5 A 250 VAC
Littelfuse Cartridge Fuses 250 V 5A 5x20mm Fast Acting 204In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 5 A 250 VAC
Littelfuse Cartridge Fuses 250 V 8A 5x20mm Fast Acting 3 189In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 8 A 250 VAC
Littelfuse Cartridge Fuses 250 V 8A 5x20mm Fast Acting 2 271In Stock
7 000Expected 29/09/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 8 A 250 VAC
Littelfuse Cartridge Fuses 250 V 1.6A 5x20mm Fast Acting 570In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.6 A 250 VAC
Littelfuse Cartridge Fuses 250 V 1.6A 5x20mm Fast Acting 3 153In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.6 A 250 VAC
Littelfuse Cartridge Fuses 250 V 1.6A 5x20mm Fast Acting 480In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.6 A 250 VAC
Littelfuse Cartridge Fuses 250 V 10A 5x20mm Fast Acting 762In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 10 A 250 VAC
Littelfuse Cartridge Fuses 250 V 10A 5x20mm Fast Acting 5 302In Stock
6 000Expected 29/09/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 10 A 250 VAC
Littelfuse Cartridge Fuses 250 V 10A 5x20mm Fast Acting 1 328In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 10 A 250 VAC
Littelfuse Cartridge Fuses 250 V 10A 5x20mm Fast Acting 15In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 10 A 250 VAC