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: 1 620
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 2.5A 5x20mm Fast Acting 964In Stock
8 596On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 2.5 A 250 VAC
Littelfuse Cartridge Fuses 250 V 2.5A 5x20mm Fast Acting 2 395In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 2.5 A 250 VAC
Littelfuse Cartridge Fuses 250 V 2.5A 5x20mm Fast Acting 373In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 2.5 A 250 VAC
Littelfuse Cartridge Fuses 250 V 6.3A 5x20mm Fast Acting 3 396In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250 V 6.3A 5x20mm Fast Acting 880In Stock
Min.: 1
Mult.: 1
: 1 000

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250 V 6.3A 5x20mm Fast Acting 420In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250 V 6.3A 5x20mm Fast Acting 51In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.25A 5x20mm Fast Acting 580In Stock
1 300Expected 10/02/2027
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250 V 1.25A 5x20mm Fast Acting 4 989In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250 V 1.25A 5x20mm Fast Acting 99In Stock
300Expected 06/10/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250 V 3.15A 5x20mm Fast Acting 847In Stock
Min.: 1
Mult.: 1
: 1 000

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250 V 3.15A 5x20mm Fast Acting 327In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250 V 3.15A 5x20mm Fast Acting 3 033In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250 V 3.15A 5x20mm Fast Acting 47In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250V .032A Time Lag (Slo-Blo) 480In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 32 mA 250 VAC
Littelfuse Cartridge Fuses 250V .04A Time Lag (Slo-Blo) 60In Stock
300On Order
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 40 mA 250 VAC
Littelfuse Cartridge Fuses 250V .05A Time Lag (Slo-Blo) 633In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 50 mA 250 VAC
Littelfuse Cartridge Fuses 250V 50mA IEC TD LBC 94In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 50 mA 250 VAC
Littelfuse Cartridge Fuses 250V .05A Time Lag 5x20mm Slo-Blo 6In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 50 mA 250 VAC
Littelfuse Cartridge Fuses 250V .063A Time Lag (Slo-Blo) 395In Stock
1 000Expected 22/09/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 63 mA 250 VAC
Littelfuse Cartridge Fuses 250V .08A Time Lag (Slo-Blo) 98In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 80 mA 250 VAC
Littelfuse Cartridge Fuses 250V 80mA IEC TD LBC 90In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 80 mA 250 VAC
Littelfuse Cartridge Fuses 250V .1A Time Lag (Slo-Blo) 326In Stock
1 600Expected 17/12/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 100 mA 250 VAC
Littelfuse Cartridge Fuses 250V .1A Time Lag (Slo-Blo) 278In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical Leaded 100 mA 250 VAC
Littelfuse Cartridge Fuses 250V .125A Time Lag (Slo-Blo) 1 209In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 125 mA 250 VAC