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 (3,627)

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 ESD Protection Diodes / TVS Diodes ESD 380V BI 213In Stock
280Expected 11/16/2026
Min.: 1
Mult.: 1

IXYS IGBT Modules IXYN110N120B4H1 233In Stock
Min.: 1
Mult.: 1

IXYS IGBT Modules IXYN110N120C4H1 98In Stock
Min.: 1
Mult.: 1

IXYS IGBT Modules IXYN85N120C4H1 51In Stock
600On Order
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 4A Slo-Blo 42,679In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 3.15A Slo-Blo 12,609In Stock
7,100Expected 2/10/2027
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 2A Fast Acting 16,160In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250 V 2A 5x20mm Fast Acting 87,526In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 5kW 54V 5% Uni-Directional 30,311In Stock
24,000Expected 3/8/2027
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 5kW 64V 5% Uni-Directional 25,196In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes ESD 430V BI 749In Stock
896On Order
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 200W 3.3V 5% Uni-directional 218,354In Stock
237,000Expected 12/14/2026
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes TVS ARRAY 100,060In Stock
Min.: 1
Mult.: 1
: 15,000

Littelfuse ESD Protection Diodes / TVS Diodes 0.25pFA 14V 0402 AEC-Q200 647,188In Stock
400,000Expected 9/1/2026
Min.: 1
Mult.: 1
: 10,000

IXYS Bridge Rectifiers 50 Amps 1600V 891In Stock
725Expected 1/11/2027
Min.: 1
Mult.: 1

IXYS MOSFETs 250V UltraJunc X3 Pwr MOSFET 620In Stock
Min.: 1
Mult.: 1

IXYS MOSFET Modules MBLOC 300V 210A N-CH X3CLASS 466In Stock
Min.: 1
Mult.: 1

IXYS MOSFETs TO268 300V 120A N-CH X3CLASS 1,094In Stock
1,140Expected 12/28/2026
Min.: 1
Mult.: 1

IXYS Bridge Rectifiers 75 Amps 600V 1,019In Stock
Min.: 1
Mult.: 1

IXYS Bridge Rectifiers 190 Amps 1800V 177In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Gate Drivers 14-Ampere Low-Side Ultrafast MOSFET 4,661In Stock
7,500Expected 11/30/2026
Min.: 1
Mult.: 1

Littelfuse Sensor Hardware & Accessories MAGNET ACTUATOR FOR 59140 AND 59141 24,636In Stock
17,460Expected 9/30/2026
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes TVS SMTO HI-POWER 14A 5mA 10uA 480In Stock
Min.: 1
Mult.: 1
: 500

Littelfuse ESD Protection Diodes / TVS Diodes TVS SMTO HI-POWER 15A 5mA 10uA 432In Stock
Min.: 1
Mult.: 1
: 500

Littelfuse ESD Protection Diodes / TVS Diodes TVS SMTO HI-POWER 16A 5mA 2uA 478In Stock
Min.: 1
Mult.: 1
: 500