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 3.15A Time Lag (Slo-Blo) 2.856In Stock
4.000On Order
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A IEC TD EBC 1.600In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Slo-Blo 3.296In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 4 A 250 VAC
Littelfuse Cartridge Fuses 250V 6.3A Slo-Blo 9.650In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.25A Slo-Blo 2.253In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 1.25 A 250 VAC
Littelfuse Cartridge Fuses 125V 4A Medium Acting 2.499In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 4 A 125 VAC
Littelfuse Cartridge Fuses 250V 5A Medium Acting 2.409In Stock
3.000Expected 3/23/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 8A Medium Acting 5.710In Stock
14.000Expected 5/4/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 8 A 250 VAC
Littelfuse Cartridge Fuses 250V 10A Medium Acting 3.392In Stock
2.000Expected 5/25/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 10 A 250 VAC
Littelfuse Cartridge Fuses 250V .1A Fast Acting 4.897In Stock
9.000On Order
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 100 mA 250 VAC
Littelfuse Cartridge Fuses 250V .25A Fast Acting 3.617In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 250 mA 250 VAC
Littelfuse Cartridge Fuses 250V 2A Fast Acting 7.778In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Fast Acting 7.643In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 3A Fast Acting 10.565In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 3 A 250 VAC
Littelfuse Cartridge Fuses 250V 3A Fast Acting 11.173In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 3 A 250 VAC
Littelfuse Cartridge Fuses 250V 1A Slo-Blo 2.464In Stock
1.300Expected 5/21/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 1A Slo-Blo 3.245In Stock
3.000Expected 5/1/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo 10.176In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 3A Slo-Blo 6.948In Stock
Min.: 1
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Glass Fuse 5 mm x 20 mm Cylindrical 3 A 250 VAC
Littelfuse Cartridge Fuses 250V 3A Slo-Blo 3.347In Stock
Min.: 1
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Glass Fuse 5 mm x 20 mm Cylindrical 3 A 250 VAC
Littelfuse Cartridge Fuses 125V 4A Slo-Blo 2.385In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 4 A 125 VAC
Littelfuse Cartridge Fuses 250V 4A Slo-Blo 4.033In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 4 A 125 VAC
Littelfuse Cartridge Fuses 250V 1.6A Slo-Blo 2.276In Stock
1.500Expected 5/25/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 1.6 A 250 VAC
Littelfuse Automotive Fuses 32VDC 15A ATOF Nylon 8.003In Stock
Min.: 1
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Automotive Fuses ATO Sn 15 A 32 VDC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo 1.151In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 2 A 250 VAC