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: 3,412
Select Image Part # Mfr. Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse ESD Protection Diodes / TVS Diodes 13V 600W UNI-DIR SZP6SMB AEC-Q101 2,911In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Littelfuse ESD Protection Diodes / TVS Diodes 62V 600W BI-DIR SZP6SMB AEC-Q101 3,456In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Littelfuse Cartridge Fuses 125V 7A 5X20 PT MA UL LBC 624In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 10A C/Code M 609In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1.25A Fast Acting 46In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .25A Slo-Blo 136In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .187A Slo-Blo 3AB 72In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .2A Slo-Blo 3AB 100In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 4A Fuse 174In Stock
1,000Expected 2026-03-16
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 6.3A CC Radial Fast Acting SP 484In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 160mA T LBC 387In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1.6A Medium Acting 489In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 3.2A TL UL LBC 588In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .375A Slo-Blo 3AB 70In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 20V 600W UNI-DIR SZP6SMB AEC-Q101 997In Stock
2,500Expected 2026-06-23
Min.: 1
Mult.: 1
Reel: 2,500

Littelfuse Cartridge Fuses 250V .63A Slo-Blo 947In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1.6A Slo-Blo 812In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 5x20 C/CODE T LBC 3.15A/250V (P) 977In Stock
1,000Expected 2026-06-22
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 10A Slo-Blo 249In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses FUS 5X20 PGT RAD FORM T HBC 3.15A/250V-P 967In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 2.5A Medium Acting 1,625In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1.25A Slo-Blo 414In Stock
Min.: 1
Mult.: 1

Littelfuse Automotive Fuses ATOF 32V 35A 282In Stock
Min.: 1
Mult.: 1


Littelfuse NTC Thermistors NTC THERMISTOR 1K OHM 2% LUG 55In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 54V 600W BI-DIR SZ1SMB AEC-Q101 792In Stock
Min.: 1
Mult.: 1
Reel: 2,500