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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.

Electronic Components

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Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse ESD Protection Diodes / TVS Diodes 1.5SMB - A 113V 2,670In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 5KP170A 359In Stock
800Expected 2027/03/04
Min.: 1
Mult.: 1
: 800


Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 2% LUG Non-Stocked Lead-Time 31 Weeks
Min.: 1
Mult.: 1

IXYS Bridge Rectifiers 35 Amps 1200V 3In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 54V 600W BI-DIR SZ1SMB AEC-Q101 342In Stock
2,500Expected 2026/10/13
Min.: 1
Mult.: 1
: 2,500

Littelfuse Cartridge Fuses FUSE 250V 5X20 PT RAD TL PB-FREE 10A 1,820In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1.25A Slo-Blo 771In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 10A CC Radial Fast Acting SP 976In Stock
Min.: 1
Mult.: 1


Littelfuse Cartridge Fuses 250V 5x20 PGT RAD FORM T LBC 3.15A 485In Stock
1,000Expected 2026/10/19
Min.: 1
Mult.: 1

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

Littelfuse Cartridge Fuses 125V 3.5A C/Code M 243In 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

Littelfuse ESD Protection Diodes / TVS Diodes 1.5SMB - CA 85V 3,498In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes TVS 500W 8V DO-214AA TR13 2,643In Stock
Min.: 1
Mult.: 1
: 3,000

IXYS Small Signal Switching Diodes 20 Amps 600V 22In Stock
Min.: 1
Mult.: 1

IXYS Bridge Rectifiers 110 Amps 800V 15In Stock
Min.: 1
Mult.: 1

IXYS Bridge Rectifiers 36 Amps 800V 48In Stock
Min.: 1
Mult.: 1

IXYS Bridge Rectifiers 52 Amps 800V 21In Stock
Min.: 1
Mult.: 1

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

Littelfuse Cartridge Fuses 250V 6.3A C/Code M 317In Stock
1,000Expected 2026/12/21
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1.6A Slo-Blo 100In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .125A Slo-Blo 3AB 71In Stock
Min.: 1
Mult.: 1

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