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 4A Fast Acting 3,032In Stock
2,000Expected 16/06/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 5A Fast Acting 3,285In Stock
3,000Expected 01/06/2026
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Littelfuse Cartridge Fuses 250V 1.6A Fast Acting 1,512In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250V 10A Fast Acting 1,334In Stock
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Littelfuse Cartridge Fuses 250V 16A FA HBC 5X20MM 2,460In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250V 6.3A Fast Acting 2,035In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250V 1.25A Fast Acting 1,804In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250V FA HBC PT 5X20MM RoHS 12.5A 1,176In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250V 3.15A Fast Acting 2,775In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250 V 0.032A 5x20mm Fast Acting 1,698In Stock
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Littelfuse Cartridge Fuses 250 V 0.032A 5x20mm Fast Acting 2,590In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250 V 0.05A 5x20mm Fast Acting 2,676In Stock
3,000Expected 23/02/2026
Min.: 1
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Littelfuse Cartridge Fuses 250 V 0.063A 5x20mm Fast Acting 1,929In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250 V 0.25A 5x20mm Fast Acting 6,112In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250 V 0.5A 5x20mm Fast Acting 16,841In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250 V 1A 5x20mm Fast Acting 7,147In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250 V 1A 5x20mm Fast Acting 10,294In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250 V 2A 5x20mm Fast Acting 34,504In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250 V 2A 5x20mm Fast Acting 28,406In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250 V 4A 5x20mm Fast Acting 6,449In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250 V 5A 5x20mm Fast Acting 12,351In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250 V 10A 5x20mm Fast Acting 7,758In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250V .05A Time Lag (Slo-Blo) 843In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250V .063A Time Lag (Slo-Blo) 1,029In Stock
Min.: 1
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Littelfuse Cartridge Fuses 250V .08A Time Lag (Slo-Blo) 1,590In Stock
Min.: 1
Mult.: 1