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 .2A Slo-Blo 126In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V .2A Slo-Blo 892In Stock
Min.: 1
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Glass Fuse 5 mm x 20 mm Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V .25A Slo-Blo 327In Stock
300Expected 22/06/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 250 mA 250 VAC
Littelfuse Cartridge Fuses 250V .25A Slo-Blo 619In Stock
4.000On Order
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 250 mA 250 VAC
Littelfuse Cartridge Fuses .3A 250V TIME DELAY 195In Stock
Min.: 1
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Glass Fuse 5 mm x 20 mm Cylindrical 300 mA 250 VAC
Littelfuse Cartridge Fuses 250V .3A Slo-Blo 384In Stock
1.000Expected 09/07/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 300 mA 250 VAC
Littelfuse Cartridge Fuses 250V .4A Slo-Blo 131In Stock
Min.: 1
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Glass Fuse 5 mm x 20 mm Cylindrical 400 mA 250 VAC
Littelfuse Cartridge Fuses 250V .4A Slo-Blo 334In Stock
1.000Expected 03/04/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 400 mA 250 VAC
Littelfuse Cartridge Fuses 250V .5A Slo-Blo 2.062In Stock
Min.: 1
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Glass Fuse 5 mm x 20 mm Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V .5A Slo-Blo 624In Stock
3.000Expected 11/06/2026
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Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V .500A 66In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V 5X20mm (P) 0.5AMP 1In Stock
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Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V .6A Slo-Blo 102In Stock
200Expected 20/04/2026
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Glass Fuse 5 mm x 20 mm Cylindrical 600 mA 250 VAC
Littelfuse Cartridge Fuses 250V .6A Slo-Blo 1.626In Stock
2.000Expected 22/06/2026
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Glass Fuse 5 mm x 20 mm Cylindrical 600 mA 250 VAC
Littelfuse Cartridge Fuses 250V .7A Slo-Blo 96In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 700 mA 250 VAC
Littelfuse Cartridge Fuses 250V .7A Slo-Blo 1.512In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 700 mA 250 VAC
Littelfuse Cartridge Fuses 250V .75A Slo-Blo 35In Stock
100Expected 05/06/2026
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Glass Fuse 5 mm x 20 mm Cylindrical 750 mA 250 VAC
Littelfuse Cartridge Fuses 250V .75A Slo-Blo 866In Stock
1.000Expected 07/07/2026
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Glass Fuse 5 mm x 20 mm Cylindrical 750 mA 250 VAC
Littelfuse Cartridge Fuses 250V .750A 3In Stock
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 750 mA 250 VAC
Littelfuse Cartridge Fuses 250V .8A Slo-Blo 294In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 800 mA 250 VAC
Littelfuse Cartridge Fuses 250V 1A 5x20mm Slo-Blo 15In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo 66In Stock
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Glass Fuse 5 mm x 20 mm Cylindrical Leaded 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo 1.940In Stock
8.000On Order
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Glass Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A 94In Stock
Min.: 1
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Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 5X20mm (P) 2AMP 15In Stock
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Cylindrical 2 A 250 VAC