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 (3,938)

Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Cartridge Fuses 125V 2A Medium Acting 582In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 125V 3A Medium Acting 629In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 125V 5X20MM ROHS 8A UL LBC MA PT 253In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 125V 3.15A Medium Acting 455In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 6A Medium Acting 103In Stock
Min.: 1
Mult.: 1

Littelfuse Automotive Fuses ATOF 32V 35A 196In Stock
Min.: 1
Mult.: 1

Hartland Controls / Littelfuse Contactors - Electromechanical 2P 24V 40A CONT. 28In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 2% LUG 6In Stock
50Expected 2026/05/29
Min.: 1
Mult.: 1
Littelfuse ESD Protection Diodes / TVS Diodes 64V 600W BI-DIR SZ1SMB AEC-Q101 189In Stock
Min.: 1
Mult.: 1
Reel: 2,500

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 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 1,630In 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 (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 2% LUG 55In Stock
Min.: 1
Mult.: 1

IXYS Bridge Rectifiers 35 Amps 1200V 5In 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

Littelfuse Cartridge Fuses 250V 4A Medium Acting 363In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 6.3A C/Code M 870In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .125A Slo-Blo 3AB 84In Stock
Min.: 1
Mult.: 1