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 250V .5A Slo-Blo 5 800In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V 1A Slo-Blo 11 751In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo 3 092In Stock
2 000Expected 22/09/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 4A Slo-Blo 3 595In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 4 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Slo-Blo 2 487In Stock
5 000Expected 22/09/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.6A Slo-Blo 3 359In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 1.6 A 250 VAC
Littelfuse Cartridge Fuses 250V 2.5A Slo-Blo 2 927In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 2.5 A 250 VAC
Littelfuse Cartridge Fuses 6.3A 250V TIME DELAY 7 453In Stock
4 000Expected 02/02/2027
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250V 3.15A Slo-Blo 4 482In 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 3.15A Slo-Blo 3 051In Stock
2 000Expected 22/09/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250V .2A Slo-Blo 1 345In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V .315A Slo-Blo 1 095In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 315 mA 250 VAC
Littelfuse Cartridge Fuses 250V .5A Slo-Blo 4 958In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V 1A Slo-Blo 7 618In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo 1 624In Stock
6 100On Order
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo 1 638In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Slo-Blo 8 295In Stock
5 300Expected 07/09/2026
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A PGT Radial T HBC 958In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Slo-Blo 4 108In Stock
3 000Expected 11/01/2027
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 8A Slo-Blo 2 162In Stock
1 500Expected 20/08/2026
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 8 A 250 VAC
Littelfuse Cartridge Fuses 250V 8A Slo-Blo 935In Stock
5 000On Order
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 8 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.6A Slo-Blo 1 555In Stock
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 1.6 A 250 VAC
Littelfuse Cartridge Fuses 250V 10A Slo-Blo 3 606In Stock
2 500Expected 22/09/2026
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 10 A 250 VAC
Littelfuse Cartridge Fuses 250V 10A Slo-Blo 1 849In Stock
2 000On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 10 A 250 VAC
Littelfuse Cartridge Fuses 250V 10A 5x20mm Slo-Blo 780In Stock
Min.: 1
Mult.: 1

Ceramic Fuse 5 mm x 20 mm Cylindrical 10 A 250 VAC