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.

Types of Fuses
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Results: 1.731
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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Product Type
Fuse Size/Group
Body Style
Current Rating
Voltage Rating AC
Voltage Rating DC
Littelfuse Cartridge Fuses 250V 5A Time Lag (Slo-Blo)
Datasheet
698In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical Leaded 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 10A Time Lag (Slo-Blo)
Datasheet
700In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical Leaded 10 A 250 VAC
Littelfuse Cartridge Fuses 250V .8A Slo-Blo
Datasheet
1.231In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 800 mA 250 VAC
Littelfuse Cartridge Fuses 250V 12A SB 3AB PB-FREE
Datasheet
735In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 12 A 250 VAC
Littelfuse Cartridge Fuses 250V 4A Time Lag (Slo-Blo)
Datasheet
957In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical Leaded 4 A 250 VAC
Littelfuse Cartridge Fuses 250V 3.15A IEC TD EBC
Datasheet
808In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250V 1A Medium Acting
Datasheet
790In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical Leaded 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.6A Slo-Blo
Datasheet
905In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.6 A 250 VAC
Littelfuse Cartridge Fuses 250V 3.15A Slo-Blo
Datasheet
844In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250 V 0.08A 5x20mm Fast Acting
Datasheet
1.630In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 80 mA 250 VAC
Littelfuse Cartridge Fuses 250V 3.15A Slo-Blo
Datasheet
816In Stock
Min.: 1
Mult.: 1

5 mm x 20 mm Cylindrical Leaded 3.15 A 250 VAC
Littelfuse Cartridge Fuses 125V 6A Medium Acting
Datasheet
953In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical Leaded 6 A 125 VAC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo
Datasheet
583In Stock
1.000Expected 4/27/2026
Min.: 1
Mult.: 1
No
Glass Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses FUS 5X20 PGT REELED T1 T LBC 1A/250V (P)
Datasheet
975In Stock
Min.: 1
Mult.: 1
Reel: 1.000

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1 A 250 VAC
Littelfuse Cartridge Fuses 250V .63A Fast Acting
Datasheet
628In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 630 mA 250 VAC
Littelfuse Cartridge Fuses 0.5A/250V (P) 5x20 C/CODE T LBC
Datasheet
1.000In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250 V 0.5A 5x20mm Fast Acting
Datasheet
990In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V 4A Slo-Blo
Datasheet
13.978In Stock
7.000Expected 6/18/2026
Min.: 1
Mult.: 1

Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 4 A 250 VAC
Littelfuse Automotive Fuses ATOF 32V 1A Low-Current Nylon
Datasheet
Product Comments
23.801In Stock
Min.: 1
Mult.: 1

Automotive Fuses ATO Sn 1 A 32 VDC
Littelfuse Automotive Fuses ATOF 32V 2A Low-Current Nylon
Datasheet
Product Comments
46.018In Stock
Min.: 1
Mult.: 1

Automotive Fuses ATO Sn 2 A 32 VDC
Littelfuse Automotive Fuses ATOF 32V 5A Low-Current Nylon
Datasheet
Product Comments
24.809In Stock
16.000On Order
Min.: 1
Mult.: 1

Automotive Fuses ATO Sn 5 A 32 VDC
Littelfuse Automotive Fuses ATOF 32V 10A Low-Current Nylon
Datasheet
Product Comments
46.797In Stock
Min.: 1
Mult.: 1

Automotive Fuses ATO Sn 10 A 32 VDC
Littelfuse Automotive Fuses ATOF 32V 15A Low-Current Nylon
Datasheet
Product Comments
10.785In Stock
12.000Expected 2/25/2026
Min.: 1
Mult.: 1

Automotive Fuses ATO Sn 15 A 32 VDC
Littelfuse Automotive Fuses ATOF 32V 20A Low-Current Nylon
Datasheet
Product Comments
36.253In Stock
Min.: 1
Mult.: 1

Automotive Fuses ATO Sn 20 A 32 VDC
Littelfuse Automotive Fuses ATOF 32V 30A Low-Current Nylon
Datasheet
Product Comments
15.750In Stock
Min.: 1
Mult.: 1

Automotive Fuses ATO Sn 30 A 32 VDC