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 Medium Acting 856In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 1.25 A 250 VAC
Littelfuse Cartridge Fuses 125V 2A Medium Acting 582In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical Leaded 2 A 125 VAC
Littelfuse Cartridge Fuses 125V 3A Medium Acting 629In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical Leaded 3 A 125 VAC
Littelfuse Cartridge Fuses 125V 5X20MM ROHS 8A UL LBC MA PT 253In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical Leaded 8 A 125 VAC
Littelfuse Cartridge Fuses 125V 3.15A Medium Acting 455In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical Leaded 3.15 A 125 VAC
Littelfuse Cartridge Fuses 250V 6A Medium Acting 103In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical Leaded 6 A 250 VAC
Littelfuse Automotive Fuses ATOF 32V 35A 196In Stock
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Automotive Fuses ATO Sn 35 A 32 VDC
Littelfuse Cartridge Fuses 125V 7A 5X20 PT MA UL LBC 624In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical Leaded 7 A 125 VAC
Littelfuse Cartridge Fuses 250V 10A C/Code M 609In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 10 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.25A Fast Acting 46In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical Leaded 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250V .25A Slo-Blo 136In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical Leaded 250 mA 250 VAC
Littelfuse Cartridge Fuses 250V .187A Slo-Blo 3AB 72In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 187 mA 250 VAC
Littelfuse Cartridge Fuses 250V .2A Slo-Blo 3AB 100In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V 4A Fuse 174In Stock
1 000Expected 16/03/2026
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 4 A 250 VAC
Littelfuse Cartridge Fuses 250V 6.3A CC Radial Fast Acting SP 484In 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 160mA T LBC 387In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 160 mA 250 VAC
Littelfuse Cartridge Fuses 250V 1.6A Medium Acting 489In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 1.6 A 250 VAC
Littelfuse Cartridge Fuses 250V 3.2A TL UL LBC 588In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 2.5 A 250 VAC
Littelfuse Cartridge Fuses 250V .375A Slo-Blo 3AB 70In Stock
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 375 mA 250 VAC
Littelfuse Cartridge Fuses 250V .63A Slo-Blo 947In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 630 mA 250 VAC
Littelfuse Cartridge Fuses 250V 1.6A Slo-Blo 812In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.6 A 250 VAC
Littelfuse Cartridge Fuses 5x20 C/CODE T LBC 3.15A/250V (P) 977In Stock
1 000Expected 22/06/2026
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250V 10A Slo-Blo 249In Stock
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Ceramic Fuse 5 mm x 20 mm Cylindrical 10 A 250 VAC
Littelfuse Cartridge Fuses FUS 5X20 PGT RAD FORM T HBC 3.15A/250V-P 967In Stock
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Ceramic Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250V 2.5A Medium Acting 1 625In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 2.5 A 250 VAC