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 400W 400V 5% Bi-Directional 4,372In Stock
5,000Expected 2026-02-27
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 40V 5% Uni-Directional 3,009In Stock
35,000On Order
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 43V 5% Uni-Directional 10,620In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 43V 5% Bi-Directional 15,591In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 440V 5% Uni-Directional 4,037In Stock
5,000Expected 2026-04-30
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 45V 5% Uni-Directional 12,052In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 45V 5% Bi-Directional 817In Stock
5,000Expected 2026-04-29
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 48V 5% Uni-Directional 11,931In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 48V 5% Bi-Directional 2,153In Stock
10,000On Order
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 5V 5% Bi-Directional 15,287In Stock
45,000On Order
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 51V 5% Uni-Directional 5,878In Stock
10,000Expected 2026-05-07
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 51V 5% Bi-Directional 10,735In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 54V 5% Uni-Directional 4,715In Stock
35,000On Order
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 54V 5% Bi-Directional 10,853In Stock
35,000Expected 2026-04-30
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 6V 5% Bi-Directional 5,170In Stock
10,000Expected 2026-03-17
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 6.5V 5% Bi-Directional 959In Stock
15,000Expected 2026-04-27
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 60V 5% Uni-Directional 12,112In Stock
30,000On Order
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 60V 5% Bi-Directional 17,115In Stock
14,900Expected 2026-02-26
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 7V 5% Uni-Directional 11,864In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 7V 5% Bi-Directional 9,595In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 7.5V 5% Uni-Directional 8,120In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 7.5V 5% Bi-Directional 4,974In Stock
5,000Expected 2026-03-18
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 70V 5% Uni-Directional 11,475In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 70V 5% Bi-Directional 5,407In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 75V 5% Uni-Directional 8,524In Stock
Min.: 1
Mult.: 1
Reel: 5,000