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

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Results: 1 731
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 250V 1.25A Slo-Blo 33In Stock
500Expected 30/03/2026
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.25A IEC TD HBC 46In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 1.25 A 250 VAC
Littelfuse Cartridge Fuses FUSE 250V 5x20 PT RAD TL PB-FREE 3.15A 997In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250V 3.15A Slo-Blo 1 354In Stock
2 000Expected 21/05/2026
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250V .063A Fast Acting 23In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 630 mA 250 VAC
Littelfuse Cartridge Fuses 250V .063A Fast Acting 781In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 630 mA 250 VAC
Littelfuse Cartridge Fuses 250V .08A Fast Acting 96In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 800 mA 250 VAC
Littelfuse Cartridge Fuses 250V .08A Fast Acting 143In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 80 mA 250 VAC
Littelfuse Cartridge Fuses 250V .1A Fast Acting 961In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 100 mA 250 VAC
Littelfuse Cartridge Fuses 250V .1A Fast Acting 643In Stock
1 000Expected 08/07/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 100 mA 250 VAC
Littelfuse Cartridge Fuses 250V 100mA IEC HBC Fast Acting 43In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 100 mA 250 VAC
Littelfuse Cartridge Fuses 250V .125A Fast Acting 1 041In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 125 mA 250 VAC
Littelfuse Cartridge Fuses 250V .125A Fast Acting 392In Stock
1 000Expected 31/03/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250V .16A Fast Acting 143In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 160 mA 250 VAC
Littelfuse Cartridge Fuses 250V .2A Fast Acting 103In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V .2A Fast Acting 616In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V .2A Fast Acting 554In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V 200mA IEC HBC Fast Acting 90In Stock
Min.: 1
Mult.: 1

Ceramic Fuse 5 mm x 20 mm Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V .25A Fast Acting 660In Stock
2 400Expected 02/03/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 250 mA 250 VAC
Littelfuse Cartridge Fuses 250V .25A Fast Acting 534In Stock
4 000On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 250 mA 250 VAC
Littelfuse Cartridge Fuses 250V .315A Fast Acting 245In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 315 mA 250 VAC
Littelfuse Cartridge Fuses 250V .315A Fast Acting 336In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 315 mA 250 VAC
Littelfuse Cartridge Fuses 250V 315mA IEC HBC Fast Acting 4In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 315 mA 250 VAC
Littelfuse Cartridge Fuses 250V .5A Fast Acting 981In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V .5A Fast Acting 141In Stock
8 000On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 500 mA 250 VAC