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 150V 5% Bi-Directional 6,673In Stock
10,000Expected 2026-04-14
Min.: 1
Mult.: 1
Reel: 5,000
Littelfuse ESD Protection Diodes / TVS Diodes 400W 15V 5% Uni-Directional 14,359In Stock
15,000Expected 2026-05-06
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 15V 5% Bi-Directional 14,397In Stock
14,700Expected 2026-03-27
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 160V 5% Uni-Directional 4,458In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 16V 5% Uni-Directional 3,866In Stock
10,000On Order
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 16V 5% Bi-Directional 4,108In Stock
10,000Expected 2026-04-30
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 170V 5% Uni-Directional 4,773In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 170V 5% Bi-Directional 10,443In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 17V 5% Uni-Directional Lead-Time 11 Weeks
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 17V 5% Bi-Directional 6,149In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 180V 5% Uni-Directional 7,040In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes SMAJ - A 188V 4,932In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes SMAJ - CA 188V 7,396In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 18V 5% Uni-Directional 11,413In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 18V 5% Bi-Directional 1,602In Stock
14,500Expected 2026-05-25
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 200V 5% Uni-Directional 6,044In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 200V 5% Bi-Directional 7,817In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 20V 5% Uni-Directional 8,364In Stock
5,000Expected 2026-05-05
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 20V 5% Bi-Directional 6,698In Stock
5,000Expected 2026-05-04
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 220V 5% Bi-Directional 5,177In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 22V 5% Uni-Directional 3,728In Stock
10,000On Order
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 22V 5% Bi-Directional 470In Stock
15,000Expected 2026-04-15
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 250V 5% Bi-Directional 7,019In Stock
5,000Expected 2026-04-30
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 26V 5% Bi-Directional 5,300In Stock
19,000Expected 2026-04-14
Min.: 1
Mult.: 1
Reel: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes 400W 28V 5% Bi-Directional 10,811In Stock
25,000On Order
Min.: 1
Mult.: 1
Reel: 5,000