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 64.1Vso 71.3Vbr 9,578In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 11.1V 400W 5% Bi-directional 12,075In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 434V 400W 5% Uni-directional 5,000In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 459V 400W 5% Uni-directional 5,000In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes SA40CA Bi-Directional 7,990In Stock
Min.: 1
Mult.: 1
: 4,000

Littelfuse ESD Protection Diodes / TVS Diodes 18V 400W UNI-DIR SZ1SMA AEC-Q101 5,911In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 68V 600W BI-DIR SZP6SMB AEC-Q101 5,920In Stock
Min.: 1
Mult.: 1
: 2,500

Littelfuse ESD Protection Diodes / TVS Diodes ZEN SMA TVS 400W 5.0V TR 4,985In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse NTC Thermistors NTC THERMISTOR 30K OHM 2% LUG 1In Stock
50Expected 8/25/2026
Min.: 1
Mult.: 1
Littelfuse ESD Protection Diodes / TVS Diodes ESD 190V BI 21In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 94Vso 105Vbr 4,900In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse Cartridge Fuses 250 V 2.5A 5x20mm Fast Acting 915In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse Cartridge Fuses 125V 6A Medium Acting 953In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 5V 3A +30/-22kV uDFN3810-9L Diode array 19,840In Stock
Min.: 1
Mult.: 1
: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes "24 V, 0.3 pF, 15 kV" 19,980In Stock
Min.: 1
Mult.: 1
: 10,000

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

Littelfuse Cartridge Fuses 250V 4A Slo-Blo 42,579In 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 87,426In 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 218,220In 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