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 (CRC) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse ESD Protection Diodes / TVS Diodes 1.5kW 24V 5% Bi-Directional 4 546In Stock
Min.: 1
Mult.: 1
: 3 000

Littelfuse ESD Protection Diodes / TVS Diodes 1.5kW 530V 5% Bi-Directional 2 758In Stock
Min.: 1
Mult.: 1
: 3 000

Littelfuse ESD Protection Diodes / TVS Diodes 6.4Vso 7.13Vbr 6 385In Stock
Min.: 1
Mult.: 1
: 5 000

Littelfuse ESD Protection Diodes / TVS Diodes 111Vr 600W 3.3A 5% Bi-Directional 5 503In Stock
Min.: 1
Mult.: 1
: 4 000
Littelfuse ESD Protection Diodes / TVS Diodes 214Vr 600W 1.75A 5% Uni-Directional 5 727In Stock
Min.: 1
Mult.: 1
: 4 000

Littelfuse ESD Protection Diodes / TVS Diodes 256Vr 600W 1.45A 5% Uni-Directional 7 178In Stock
Min.: 1
Mult.: 1
: 4 000

Littelfuse ESD Protection Diodes / TVS Diodes 342Vr 600W 1.1A 5% Bi-Directional 3 252In Stock
Min.: 1
Mult.: 1
: 4 000

Littelfuse ESD Protection Diodes / TVS Diodes SA7.5A Uni-Directional 5 346In Stock
Min.: 1
Mult.: 1
: 4 000
Littelfuse ESD Protection Diodes / TVS Diodes 600W 36V AEC-Q101 5% Uni-Directional 7 827In Stock
Min.: 1
Mult.: 1
: 3 000

Littelfuse ESD Protection Diodes / TVS Diodes 1.5kW 16V AEC-Q101 5% Uni-Directional 2 840In Stock
Min.: 1
Mult.: 1
: 3 000


IXYS MOSFETs MOSFET 650V/22A Ultra Junction X2 170In Stock
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IXYS MOSFETs TO220 300V 26A N-CH X3CLASS 315In Stock
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IXYS MOSFETs TO247 650V 12A N-CH X2CLASS 280In Stock
Min.: 1
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Littelfuse ESD Protection Diodes / TVS Diodes 13V 400W UNI-DIR SZ1SMA AEC-Q101 5 639In Stock
5 000Expected 8/20/2026
Min.: 1
Mult.: 1
: 5 000

Littelfuse ESD Protection Diodes / TVS Diodes 15V 600W UNI-DIR SZ1SMB AEC-Q101 6 821In Stock
Min.: 1
Mult.: 1
: 2 500

Littelfuse ESD Protection Diodes / TVS Diodes ZEN SMA TVS 400W 5.0V TR 4 990In Stock
Min.: 1
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: 5 000

IXYS Small Signal Switching Diodes 29 Amps 600V 145In Stock
Min.: 1
Mult.: 1

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

IXYS IGBT Modules XPT IGBT Module 2In Stock
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Mult.: 1

Hartland Controls / Littelfuse Contactors - Electromechanical 3P 240V 75AMP CONTACTOR 8In Stock
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Hartland Controls / Littelfuse Contactors - Electromechanical 3P 120V 40A CONT. 209In Stock
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Hartland Controls / Littelfuse Contactors - Electromechanical 3P 24V 75A CONT. 12In Stock
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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