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 (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Cartridge Fuses 250V 4A Slo-Blo 12,638In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 8A Medium Acting 20,158In Stock
7,000Expected 2026/09/22
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 33V 200W UNI-DIR SZSMF AEC-Q101 178,723In Stock
Min.: 1
Mult.: 1
: 3,000
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 3,214In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes ESD 430V BI 89In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250 V 0.315A 5x20mm Fast Acting 3,169In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 2A Time Lag (Slo-Blo) 1,695In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 2.5A Slo-Blo 1,251In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 1.5kW 350V 5% Uni-Directional 6,235In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 3.0SMCJ - CA 48V 5,800In Stock
9,000Expected 2026/10/12
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 5kW 22V 5% Uni-Directional 2,767In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 40Vso 31VAC 78A 2,242In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse ESD Protection Diodes / TVS Diodes 6Vso 4VAC 485A 1,706In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse ESD Protection Diodes / TVS Diodes 15.3V 400W 5% Uni-directional 20,285In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 440V 5% Bi-Directional 10,495In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 1.5kW 100V 5% Uni-Directional 11,888In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 13V 400W BI-DIR SZ1SMA AEC-Q101 9,648In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse Cartridge Fuses 250V 125mA TL HBC 973In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 12A IEC PT TD HBC 1,700In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse Cartridge Fuses 250V .5A Fast Acting 6,979In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 10A Medium Acting 3,487In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 1.5kW 110V 5% Uni-Directional 6,378In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 3.0SMCJ - CA 15V 6,960In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 120Vso 94VAC 23A 1,371In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse ESD Protection Diodes / TVS Diodes 16Vso 12VAC 192A 1,025In Stock
Min.: 1
Mult.: 1
: 800