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 (IDR) 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 1A Time Lag (Slo-Blo) 14.502In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Time Lag (Slo-Blo) 5.844In Stock
3.000Expected 06/07/2026
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Glass Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Time Lag (Slo-Blo) 8.176In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 4A Time Lag (Slo-Blo) 4.386In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 4 A 250 VAC
Littelfuse Cartridge Fuses 250V 4A Time Lag (Slo-Blo) 8.082In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 4 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Time Lag (Slo-Blo) 7.534In Stock
6.300Expected 31/03/2026
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Glass Fuse 5 mm x 20 mm Cylindrical 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Time Lag (Slo-Blo) 3.499In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 8A Time Lag (Slo-Blo) 1.389In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 8 A 250 VAC
Littelfuse Cartridge Fuses 250V 8A Time Lag (Slo-Blo) 4.014In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 8 A 250 VAC
Littelfuse Cartridge Fuses 250V 10A Time Lag (Slo-Blo) 7.222In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 10 A 250 VAC
Littelfuse Cartridge Fuses 250V 10A Time Lag (Slo-Blo) 4.444In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 10 A 250 VAC
Littelfuse Cartridge Fuses 250V 15A Time Lag (Slo-Blo) 2.513In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 15 A 250 VAC
Littelfuse Cartridge Fuses 250V 15A Time Lag (Slo-Blo) 3.978In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical Leaded 15 A 250 VAC
Littelfuse Cartridge Fuses 250V 15A Time Lag (Slo-Blo) 1.642In Stock
1.000Expected 25/06/2026
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Glass Fuse 5 mm x 20 mm Cylindrical 15 A 250 VAC
Littelfuse Cartridge Fuses 250V 2.5A Time Lag (Slo-Blo) 2.480In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 2.5 A 250 VAC
Littelfuse Cartridge Fuses 250V 2.5A Time Lag (Slo-Blo) 4.313In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 2.5 A 250 VAC
Littelfuse Cartridge Fuses 250V 6.3A Time Lag (Slo-Blo) 6.917In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250V 6.3A Time Lag (Slo-Blo) 3.478In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250V 3.15A Time Lag (Slo-Blo) 4.710In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250V 3.15A Time Lag (Slo-Blo) 2.896In Stock
3.000Expected 21/04/2026
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Glass Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo 2.097In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Slo-Blo 3.300In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 4 A 250 VAC
Littelfuse Cartridge Fuses 250V 6.3A Slo-Blo 9.650In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.25A Slo-Blo 2.253In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 1.25 A 250 VAC
Littelfuse Cartridge Fuses 125V 4A Medium Acting 2.521In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 4 A 125 VAC