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: 1,940
Select Image Part # Mfr. Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse ESD Protection Diodes / TVS Diodes 11.1V 400W 5% Uni-directional 4,929In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 128V 400W 5% Uni-directional 938In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 12.8V 400W 5% Uni-directional 3,749In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 15V 400W 5% Bi-directional 5,989In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 13.6V 400W 5% Bi-directional 5,405In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 154V 400W 5% Bi-directional 3,479In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 15.3V 400W 5% Uni-directional 567In Stock
20,000On Order
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 15.3V 400W 5% Bi-directional 8,092In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 171V 400W 5% Uni-directional 6,129In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 171V 400W 5% Bi-directional 8,099In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 17.1V 400W 5% Uni-directional 2,478In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 185V 400W 5% Bi-directional 770In Stock
5,000Expected 2026-04-29
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 18.8V 400W 5% Uni-directional 9,553In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 214V 400W 5% Bi-directional 2,068In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 23.1V 400W 5% Uni-directional 4,630In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 256V 400W 5% Uni-directional 866In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 256V 400W 5% Bi-directional 6,400In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 28.2V 400W 5% Uni-directional 1,899In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 300V 400W 5% Uni-directional 2,701In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 300V 400W 5% Bi-directional 3,244In Stock
5,000Expected 2026-05-05
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 30.8V 400W 5% Uni-directional 5,125In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 30.8V 400W 5% Bi-directional 6,432In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 33.3V 400W 5% Bi-directional 4,321In Stock
5,000Expected 2026-05-12
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 342V 400W 5% Bi-directional 4,929In Stock
5,000Expected 2026-05-11
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 36.8V 400W 5% Uni-directional 6,587In Stock
Min.: 1
Mult.: 1
Reel: 5,000