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 (3,937)

Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity. Qty. RoHS

Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 2% LUG 55In Stock
Min.: 1
Mult.: 1

IXYS Bridge Rectifiers 35 Amps 1200V 5In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 54V 600W BI-DIR SZ1SMB AEC-Q101 792In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Littelfuse Cartridge Fuses 250V 4A Medium Acting 363In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 6.3A C/Code M 870In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .125A Slo-Blo 3AB 84In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1.2A Slo-Blo 49In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 2% LUG 48In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 5K OHM 2% LUG 1In Stock
Min.: 1
Mult.: 1

IXYS MOSFETs TO220 650V 8A N-CH X2CLASS 28In Stock
Min.: 1
Mult.: 1

IXYS Bridge Rectifiers 160 Amps 1800V 4In Stock
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors 59140-4-U-02-A SENS 24In Stock
500Expected 14/04/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .4A Slo-Blo 1,524In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .25A Fast Acting 1,044In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 10A Time Lag (Slo-Blo) 700In Stock
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Mult.: 1

Littelfuse Cartridge Fuses 250V 3.15A Time Lag (Slo-Blo) 1,393In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 12A SB 3AB PB-FREE 735In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 1.5kW 10V 5% Bi-Directional 5,950In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 1.5kW 200V 5% Uni-Directional 5,333In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 1.5kW 530V 5% Bi-Directional 2,966In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Hartland Controls / Littelfuse Contactors - Electromechanical 3P 24V 60A CONT.
7In Stock
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Mult.: 1

Hartland Controls / Littelfuse Contactors - Electromechanical 3P 240V 120A CONT.
4In Stock
Min.: 1
Mult.: 1

Hartland Controls / Littelfuse Contactors - Electromechanical 3P 480V 75A CONT.
8In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 9.4Vr 600W 38A 5% Bi-Directional 7,141In Stock
Min.: 1
Mult.: 1
Reel: 4,000

Littelfuse ESD Protection Diodes / TVS Diodes 111Vr 600W 3.3A 5% Bi-Directional 5,703In Stock
Min.: 1
Mult.: 1
Reel: 4,000