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 250 V 6.3A 5x20mm Fast Acting 56In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.25A 5x20mm Fast Acting 2.273In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250 V 1.25A 5x20mm Fast Acting 588In Stock
3.000On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250 V 1.25A 5x20mm Fast Acting 217In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 125 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 3.15A 5x20mm Fast Acting 206In Stock
7.500On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250 V 3.15A 5x20mm Fast Acting 847In Stock
Min.: 1
Mult.: 1
Reel: 1.000

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250 V 3.15A 5x20mm Fast Acting 410In 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 250 V 3.15A 5x20mm Fast Acting 4.311In 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 250 V 3.15A 5x20mm Fast Acting 52In 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 .032A Time Lag (Slo-Blo) 100In Stock
500Expected 31/03/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 32 mA 250 VAC
Littelfuse Cartridge Fuses 250V .04A Time Lag (Slo-Blo) 123In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 40 mA 250 VAC
Littelfuse Cartridge Fuses 250V 50mA IEC TD LBC 94In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 50 mA 250 VAC
Littelfuse Cartridge Fuses 250V .08A Time Lag (Slo-Blo) 98In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 80 mA 250 VAC
Littelfuse Cartridge Fuses 250V 80mA IEC TD LBC 90In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 80 mA 250 VAC
Littelfuse Cartridge Fuses 250V .1A Time Lag (Slo-Blo) 1.217In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 100 mA 250 VAC
Littelfuse Cartridge Fuses 250V .1A Time Lag (Slo-Blo) 288In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical Leaded 100 mA 250 VAC
Littelfuse Cartridge Fuses 250V .125A Time Lag (Slo-Blo) 520In Stock
1.200On Order
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 125 mA 250 VAC
Littelfuse Cartridge Fuses 250V .125A Time Lag (Slo-Blo) 913In Stock
1.000Expected 02/07/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 125 mA 250 VAC
Littelfuse Cartridge Fuses 250V 125mA IEC TD LBC 100In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 125 mA 250 VAC
Littelfuse Cartridge Fuses 250V .16A Time Lag (Slo-Blo) 4In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 160 mA 250 VAC
Littelfuse Cartridge Fuses 250V 160mA IEC TD LBC 13In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 160 mA 250 VAC
Littelfuse Cartridge Fuses 250V .2A Time Lag (Slo-Blo) 200In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses .2A 250V TIME DELAY 1.469In Stock
Min.: 1
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Glass Fuse 5 mm x 20 mm Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V 200mA IEC TD LBC 20In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V .25A Time Lag (Slo-Blo) 468In Stock
1.200On Order
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 250 mA 250 VAC