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 SA48A Uni-Directional 11,876In Stock
Min.: 1
Mult.: 1
: 4,000

Littelfuse ESD Protection Diodes / TVS Diodes 3kW 22V 5% Bi-Directional 3,280In Stock
Min.: 1
Mult.: 1
: 3,000

IXYS Bridge Rectifiers 22 Amps 1600V 234In Stock
Min.: 1
Mult.: 1


IXYS MOSFETs MOSFET 650V/34A Ultra Junction X2 639In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 30V 600W UNI-DIR SZ1SMB AEC-Q101 45,199In Stock
Min.: 1
Mult.: 1
: 2,500

Littelfuse ESD Protection Diodes / TVS Diodes 30V 600W UNI-DIR SZP6SMB AEC-Q101 38,812In Stock
Min.: 1
Mult.: 1
: 2,500

Littelfuse Proximity Sensors 59140-3-S-02-F SENS 486In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250 V 0.315A 5x20mm Fast Acting 3,192In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 2A Time Lag (Slo-Blo) 1,700In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 2.5A Slo-Blo 1,251In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 1.5kW 350V 5% Uni-Directional 6,249In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 3.0SMCJ - CA 48V 5,800In Stock
9,000Expected 9/3/2026
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 40Vso 31VAC 78A 2,242In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse ESD Protection Diodes / TVS Diodes 6Vso 4VAC 485A 1,706In Stock
Min.: 1
Mult.: 1
: 800

IXYS MOSFETs TO263 250V 80A N-CH X3CLASS 752In Stock
Min.: 1
Mult.: 1
: 800
Littelfuse ESD Protection Diodes / TVS Diodes 15.3V 400W 5% Uni-directional 20,285In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 440V 5% Bi-Directional 11,999In Stock
Min.: 1
Mult.: 1
: 5,000

IXYS MOSFETs TO247 250V 120A N-CH X3CLASS 906In Stock
Min.: 1
Mult.: 1

IXYS IGBT Modules 650V/240A TRENCH IGBT GENX4 XPT 168In Stock
Min.: 1
Mult.: 1

IXYS Bridge Rectifiers Standard Rectifier 1600V, 62A 216In Stock
Min.: 1
Mult.: 1

IXYS Bridge Rectifiers 82 Amps 800V 309In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 13V 400W BI-DIR SZ1SMA AEC-Q101 9,648In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes ESD 30V BI 44In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses FUSE 250V 5X20 PT RAD TL PB-FREE 10A 967In Stock
1,000Expected 8/20/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1.25A Slo-Blo 795In Stock
Min.: 1
Mult.: 1