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 (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Cartridge Fuses 250 V 0.25A 5x20mm Fast Acting 3 049In Stock
6 000Expected 14/09/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250 V 0.5A 5x20mm Fast Acting 15 447In Stock
45 000On Order
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250 V 1A 5x20mm Fast Acting 6 297In Stock
23 900On Order
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250 V 1A 5x20mm Fast Acting 6 150In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250 V 2A 5x20mm Fast Acting 28 277In Stock
17 000Expected 20/08/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250 V 4A 5x20mm Fast Acting 10 396In Stock
7 000Expected 13/10/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250 V 10A 5x20mm Fast Acting 7 128In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250 V 6.3A 5x20mm Fast Acting 7 365In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250 V 3.15A 5x20mm Fast Acting 9 355In Stock
9 900Expected 07/09/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .032A Time Lag (Slo-Blo) 2 172In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .1A Time Lag (Slo-Blo) 2 090In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .125A Time Lag (Slo-Blo) 1 690In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses .2A 250V TIME DELAY 1 654In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .25A Time Lag (Slo-Blo) 2 668In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .315A Time Lag (Slo-Blo) 1 911In Stock
7 000On Order
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .5A Time Lag (Slo-Blo) 3 846In Stock
3 000Expected 21/12/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .5A Time Lag (Slo-Blo) 2 410In Stock
2 000Expected 02/12/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1A Time Lag (Slo-Blo) 6 154In Stock
3 400Expected 13/10/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1A Time Lag (Slo-Blo) 15 319In Stock
10 000Expected 25/11/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 2A Time Lag (Slo-Blo) 10 264In Stock
6 800Expected 20/08/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 2A Time Lag (Slo-Blo) 5 527In Stock
16 000On Order
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 4A Time Lag (Slo-Blo) 3 350In Stock
2 400Expected 19/11/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 4A Time Lag (Slo-Blo) 2 001In Stock
22 985On Order
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 5A Time Lag (Slo-Blo) 16 509In Stock
15 800Expected 19/10/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 5A Time Lag (Slo-Blo) 5 917In Stock
4 000Expected 06/10/2026
Min.: 1
Mult.: 1