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 (DKK) 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 4A Slo-Blo 13.894In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 4 A 250 VAC
Littelfuse Cartridge Fuses 250V .25A Slo-Blo 4.223In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 250 mA 250 VAC
Littelfuse Cartridge Fuses 250V 3.15A Slo-Blo 1.753In Stock
Min.: 1
Mult.: 1

Ceramic Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250V .063A Time Lag (Slo-Blo) 1.099In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 63 mA 250 VAC
Littelfuse Cartridge Fuses 250V 125mA TL HBC 1.074In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 125 mA 250 VAC
Littelfuse Cartridge Fuses 250V 12A IEC PT TD HBC 1.737In Stock
Min.: 1
Mult.: 1
Reel: 1.000

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 12 A 250 VAC
Littelfuse Cartridge Fuses 250V .63A Fast Acting 1.927In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 630 mA 250 VAC
Littelfuse Cartridge Fuses 250V 4A Fast Acting 2.799In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 4 A 250 VAC
Littelfuse Cartridge Fuses 250V .100A 5X20 TL EBC 1.975In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 100 mA 250 VAC
Littelfuse Cartridge Fuses 250V 1.5A Slo-Blo 2.870In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 1.5 A 250 VAC 60 VDC
Littelfuse Cartridge Fuses 250 V 0.315A 5x20mm Fast Acting 3.472In Stock
Min.: 1
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 315 mA 250 VAC
Littelfuse Cartridge Fuses 250V .8A Slo-Blo 1.194In Stock
Min.: 1
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 800 mA 250 VAC
Littelfuse Cartridge Fuses 250V 16A TL HBC 1.920In Stock
Min.: 1
Mult.: 1
Reel: 1.000

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.6 A 250 VAC
Littelfuse Cartridge Fuses 250V 2.5A Fast Acting 2.078In 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 250V .5A Slo-Blo 6.219In Stock
Min.: 1
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Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V 10A Slo-Blo 3.470In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 10 A 250 VAC
Littelfuse Cartridge Fuses 125V 1.25A Medium Acting 3.286In Stock
Min.: 1
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Glass Fuse 5 mm x 20 mm Cylindrical 1.25 A 125 VAC
Littelfuse Cartridge Fuses 250V .3A Fast Acting 12.201In Stock
Min.: 1
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Glass Fuse 5 mm x 20 mm Cylindrical 300 mA 250 VAC
Littelfuse Cartridge Fuses 250V .16A Fast Acting 1.128In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 160 mA 250 VAC
Littelfuse Cartridge Fuses 250V .032A Time Lag (Slo-Blo) 3.323In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 32 mA 250 VAC
Littelfuse Cartridge Fuses 250V 2.5A Slo-Blo 3.100In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 2.5 A 250 VAC
Littelfuse Cartridge Fuses 250V .5A Slo-Blo 3AB 1.566In Stock
Min.: 1
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Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V 1.25A Slo-Blo 798In Stock
Min.: 1
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250V 10A CC Radial Fast Acting SP 321In Stock
1.000Expected 07/04/2026
Min.: 1
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 10 A 250 VAC
Littelfuse Cartridge Fuses 250V 5x20 PGT RAD FORM T LBC 3.15A 227In Stock
1.000Expected 16/03/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC