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 .63A Fast Acting 343In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 630 mA 250 VAC
Littelfuse Cartridge Fuses 250V 1A Fast Acting 1 148In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 1A Fast Acting 7 461In Stock
Min.: 1
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Fast Acting 5 468In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 10A Fast Acting 8 027In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 10 A 250 VAC
Littelfuse Cartridge Fuses 250V 16A FA HBC 5X20MM 1 751In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 16 A 250 VAC
Littelfuse Cartridge Fuses 250V 6.3A Fast Acting 2 180In Stock
Min.: 1
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250V 6.3A Fast Acting 995In Stock
1 000Expected 15/03/2027
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250V 6.3A Fast Acting 2 543In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.25A Fast Acting 1 606In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250V FA HBC PT 5X20MM RoHS 12.5A 996In Stock
1 000Expected 19/10/2026
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 12.5 A 250 VAC
Littelfuse Cartridge Fuses 250V 12.5A FA HBC 5X20MM 1 705In Stock
3 000Expected 07/09/2026
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 12.5 A 250 VAC
Littelfuse Cartridge Fuses 250 V 0.032A 5x20mm Fast Acting 1 200In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 32 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.05A 5x20mm Fast Acting 5 244In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 50 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.063A 5x20mm Fast Acting 3 798In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 63 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.2A 5x20mm Fast Acting 6 722In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 200 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.25A 5x20mm Fast Acting 3 049In Stock
6 000Expected 14/09/2026
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 250 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.5A 5x20mm Fast Acting 15 449In Stock
45 000On Order
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 500 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 1A 5x20mm Fast Acting 6 297In Stock
10 700Expected 29/09/2026
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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 28 339In Stock
17 000Expected 20/08/2026
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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 10 421In Stock
7 000Expected 13/10/2026
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 4 A 250 VAC
Littelfuse Cartridge Fuses 250 V 10A 5x20mm Fast Acting 7 128In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 10 A 250 VAC
Littelfuse Cartridge Fuses 250 V 6.3A 5x20mm Fast Acting 7 400In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250 V 3.15A 5x20mm Fast Acting 9 355In Stock
9 900Expected 07/09/2026
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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) 2 177In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 32 mA 250 VAC