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 ESD Protection Diodes / TVS Diodes 3kW 8.5V 5% Bi-Directional 5,990In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 0.25pFA 14V 1206 AEC-Q200 7,694In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse NTC Thermistors 2.2K OHM .1% DEG C PROBE ASMB 1,740In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 26V 400W UNI-DIR SZ1SMA AEC-Q101 9,398In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse Cartridge Fuses 250 V 0.315A 5x20mm Fast Acting 3,189In 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

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

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

Littelfuse Cartridge Fuses 250V 10A CC Radial Fast Acting SP 986In Stock
Min.: 1
Mult.: 1


Littelfuse Cartridge Fuses 250V 5x20 PGT RAD FORM T LBC 3.15A 485In Stock
1,000Expected 2/3/2027
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 125V 3A METI Medium Acting 1,225In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 125V 6A C/Code M 1,175In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 125V 3.5A C/Code M 263In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1.25A C/Code 718In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 6A Fast Acting 562In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .175A Slo-Blo 3AB 38In Stock
Min.: 1
Mult.: 1