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.

Results: 3,235
Select Image Part # Mfr. Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Cartridge Fuses 250V 1.25A Medium Acting 856In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 125V 2A Medium Acting 557In Stock
Min.: 1
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Littelfuse Cartridge Fuses 125V 3A Medium Acting 609In Stock
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Littelfuse Cartridge Fuses 125V 5X20MM ROHS 8A UL LBC MA PT 248In Stock
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Littelfuse Cartridge Fuses 125V 3.15A Medium Acting 409In Stock
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Littelfuse Cartridge Fuses 250V 6A Medium Acting 85In Stock
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Littelfuse Automotive Fuses ATOF 32V 35A 170In Stock
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Littelfuse ESD Protection Diodes / TVS Diodes 1.5SMB - A 59.3V 2,350In Stock
Min.: 1
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: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 64V 600W BI-DIR SZ1SMB AEC-Q101 189In Stock
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Mult.: 1
: 2,500

Littelfuse ESD Protection Diodes / TVS Diodes 62V 600W BI-DIR SZP6SMB AEC-Q101 4,605In Stock
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: 2,500

Littelfuse Cartridge Fuses 250V .63A Slo-Blo 930In Stock
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Littelfuse Cartridge Fuses 250V 1.6A Slo-Blo 664In Stock
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Littelfuse Cartridge Fuses 5x20 C/CODE T LBC 3.15A/250V (P) 1,319In Stock
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Littelfuse Cartridge Fuses 250V 10A Slo-Blo 57In Stock
1,000Expected 8/28/2026
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Mult.: 1

Littelfuse Cartridge Fuses FUS 5X20 PGT RAD FORM T HBC 3.15A/250V-P 776In Stock
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Littelfuse Cartridge Fuses 250V 1.25A Slo-Blo 412In Stock
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Littelfuse ESD Protection Diodes / TVS Diodes 1.5SMB - A 30.6V 2,830In Stock
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Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 1.5SMB - A 33.2V 2,841In Stock
Min.: 1
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: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 1.5SMB - A 113V 2,830In Stock
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Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 5KP170A 359In Stock
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: 800


Littelfuse NTC Thermistors NTC THERMISTOR 1K OHM 2% LUG 53In Stock
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Littelfuse ESD Protection Diodes / TVS Diodes 54V 600W BI-DIR SZ1SMB AEC-Q101 342In Stock
2,500Expected 12/29/2026
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Mult.: 1
: 2,500

Littelfuse Cartridge Fuses 5x20 C/CODE T LBC 1.25A/250V (P) 431In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250 V 4A 5x20mm Fast Acting 299In Stock
1,000Expected 10/6/2026
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Littelfuse Cartridge Fuses 125V 3.15A METI Medium Acting 670In Stock
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Mult.: 1