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 NTC Thermistors 10K OHM .2% DEG C PROBE ASMB 463In Stock
200Expected 11/11/2026
Min.: 1
Mult.: 1

Littelfuse NTC Thermistors THERMISTOR, US SENSOR 153In Stock
50Expected 9/21/2026
Min.: 1
Mult.: 1

Littelfuse NTC Thermistors THERMISTOR, US SENSOR 351In Stock
Min.: 1
Mult.: 1

Littelfuse NTC Thermistors 10K OHM 1% PROBE ASSEMBLY 1,603In Stock
674On Order
Min.: 1
Mult.: 1

Littelfuse NTC Thermistors 10K OHM 2% RING LUG ASMBLY 303In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Gate Drivers 14-Ampere Low-Side Ultrafast MOSFET 3,214In Stock
Min.: 1
Mult.: 1


IXYS Integrated Circuits Gate Drivers 14-Ampere Low-Side Ultrafast MOSFET 1,944In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Gate Drivers 14-Ampere Low-Side Ultrafast MOSFET 484In Stock
1,250Expected 12/21/2026
Min.: 1
Mult.: 1


IXYS Integrated Circuits Gate Drivers 14-Ampere Low-Side Ultrafast MOSFET 910In Stock
Min.: 1
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IXYS Integrated Circuits Gate Drivers 14-Ampere Low-Side Ultrafast MOSFET 2,836In Stock
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IXYS Integrated Circuits Gate Drivers 14-Ampere Low-Side Ultrafast MOSFET 730In Stock
Min.: 1
Mult.: 1
: 2,000

Littelfuse ESD Protection Diodes / TVS Diodes 6.8V 1.5kW UNI-DIR SZ1.5SMC AEC-Q101 4,976In Stock
Min.: 1
Mult.: 1
: 2,500

Littelfuse ESD Protection Diodes / TVS Diodes 62V 1.5kW UNI-DIR SZ1.5SMC AEC-Q101 5,479In Stock
2,500Expected 10/7/2026
Min.: 1
Mult.: 1
: 2,500

Littelfuse ESD Protection Diodes / TVS Diodes 15V 400W BI-DIR SZ1SMA AEC-Q101 10,099In Stock
5,000Expected 12/17/2026
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 12V 600W BI-DIR SZ1SMB AEC-Q101 56,354In Stock
Min.: 1
Mult.: 1
: 2,500

Littelfuse ESD Protection Diodes / TVS Diodes 30V 600W BI-DIR SZ1SMB AEC-Q101 67,359In Stock
Min.: 1
Mult.: 1
: 2,500

Littelfuse ESD Protection Diodes / TVS Diodes 33V 600W BI-DIR SZP6SMB AEC-Q101 41,488In Stock
Min.: 1
Mult.: 1
: 2,500

Littelfuse ESD Protection Diodes / TVS Diodes 36V 600W BI-DIR SZP6SMB AEC-Q101 15,689In Stock
Min.: 1
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: 2,500
Littelfuse ESD Protection Diodes / TVS Diodes 20V 200W UNI-DIR SZSMF AEC-Q101 13,240In Stock
12,000Expected 1/7/2027
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 24V 200W UNI-DIR SZSMF AEC-Q101 31,760In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse Proximity Sensors Actuator for 59140 and 59141 5,249In Stock
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Littelfuse Proximity Sensors PROX SENSOR MINI FLANGE MOUNT 1,439In Stock
Min.: 1
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Littelfuse Proximity Sensors 59140 030 PROX SENSOR 650In Stock
Min.: 1
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Littelfuse Proximity Sensors PROX SENSOR MINI FLANGE MOUNT 2,951In Stock
Min.: 1
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Littelfuse Proximity Sensors NO 12-18AT 500mm TIN 787In Stock
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Mult.: 1