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 6.3A Fast Acting 5x20 470In 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 250V 1.25A Fast Acting 421In Stock
Min.: 1
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250V 3.15A Fast Acting 5x20 1.008In Stock
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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 3.15A Fast Acting 1.339In Stock
1.000Expected 9/29/2026
Min.: 1
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250 V 0.05A 5x20mm Fast Acting 100In Stock
100Expected 1/5/2027
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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 0.08A 5x20mm Fast Acting 1.043In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 80 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.1A 5x20mm Fast Acting 900In Stock
Min.: 1
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 100 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.1A 5x20mm Fast Acting 39In Stock
5.000Expected 10/6/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 100 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.125A 5x20mm Fast Acting 79In Stock
500On Order
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 125 mA 250 VAC
Littelfuse Cartridge Fuses Fast-Acting Glass Body Cartridge 5x20mm, 125mA, 250V 884In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250 V 0.125A 5x20mm Fast Acting 310In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250 V 0.125A 5x20mm Fast Acting 10In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 125 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.16A 5x20mm Fast Acting 578In Stock
400Expected 9/1/2026
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 160 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.2A 5x20mm Fast Acting 399In Stock
Min.: 1
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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 388In Stock
500Expected 9/14/2026
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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 0.25A 5x20mm Fast Acting 305In Stock
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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 0.315A 5x20mm Fast Acting 138In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 315 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.315A 5x20mm Fast Acting 11In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 315 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.4A 5x20mm Fast Acting 264In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 400 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.4A 5x20mm Fast Acting 2.646In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 400 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.4A 5x20mm Fast Acting 6In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 400 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.5A 5x20mm Fast Acting 5.568In Stock
3.200Expected 9/29/2026
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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 0.5A 5x20mm Fast Acting 817In Stock
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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 0.5A 5x20mm Fast Acting 187In Stock
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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 0.5A 5x20mm Fast Acting 26In Stock
Min.: 1
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 500 mA 250 VAC