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.

All Results (3,935)

Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Cartridge Fuses 250V 2A Slo-Blo 2,151In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 5A Slo-Blo 3,300In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250V 1.6A Slo-Blo 2,353In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250V 6.3A Slo-Blo 9,650In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250V 1.25A Slo-Blo 2,253In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 125V 4A Medium Acting 2,521In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 5A Medium Acting 2,424In Stock
3,000Expected 23/03/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 8A Medium Acting 4,960In Stock
15,000Expected 31/03/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 10A Medium Acting 3,392In Stock
2,000Expected 06/07/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .1A Fast Acting 4,897In Stock
3,000Expected 15/07/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .25A Fast Acting 3,637In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 2A Fast Acting 7,778In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250V 2A Fast Acting 7,743In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 3A Fast Acting 6,776In Stock
3,798Expected 02/03/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 3A Fast Acting 11,300In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250V .5A Slo-Blo 3,229In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1A Slo-Blo 2,479In Stock
1,300Expected 28/05/2026
Min.: 1
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Littelfuse Cartridge Fuses 250V 2A Slo-Blo 6,446In Stock
3,800Expected 02/03/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 3A Slo-Blo 7,097In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 125V 4A Slo-Blo 2,395In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 4A Slo-Blo 4,038In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 125V 7A Slo-Blo 2,818In Stock
Min.: 1
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Littelfuse Automotive Fuses 32VDC 15A ATOF Nylon 8,073In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250V 2A Slo-Blo 1,251In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250V 3A Slo-Blo 1,245In Stock
Min.: 1
Mult.: 1