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: 1 620
Select Image Part # Mfr. 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 125mA IEC TD LBC 100In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 125 mA 250 VAC
Littelfuse Cartridge Fuses 250V .16A Time Lag (Slo-Blo) 401In Stock
4 000Expected 29/09/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 160 mA 250 VAC
Littelfuse Cartridge Fuses 250V .2A Time Lag (Slo-Blo) 25In Stock
400On Order
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V .25A Time Lag (Slo-Blo) 406In Stock
2 200Expected 06/10/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 250 mA 250 VAC
Littelfuse Cartridge Fuses 250V 250mA IEC TD LBC 1 032In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 250 mA 250 VAC
Littelfuse Cartridge Fuses 250V .4A Time Lag (Slo-Blo) 841In Stock
1 100Expected 06/10/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 400 mA 250 VAC
Littelfuse Cartridge Fuses 250V .4A Time Lag (Slo-Blo) 1 025In Stock
1 000Expected 22/09/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 400 mA 250 VAC
Littelfuse Cartridge Fuses 250V 400mA IEC TD LBC 68In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 400 mA 250 VAC
Littelfuse Cartridge Fuses 0.5A/250V (P) 5x20 C/CODE T LBC 749In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V .5A Time Lag (Slo-Blo) 532In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical Leaded 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V 500mA IEC TD LBC 203In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 500 mA 250 VAC
Littelfuse Cartridge Fuses 250V .63A Time Lag (Slo-Blo) 478In Stock
500Expected 06/10/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 630 mA 250 VAC
Littelfuse Cartridge Fuses 250V .63A Time Lag (Slo-Blo) 593In Stock
3 000Expected 06/10/2026
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 630 mA 250 VAC
Littelfuse Cartridge Fuses 250V .8A Time Lag (Slo-Blo) 1 251In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 800 mA 250 VAC
Littelfuse Cartridge Fuses 250V .8A Time Lag (Slo-Blo) 1 120In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 800 mA 250 VAC
Littelfuse Cartridge Fuses 250V 800mA IEC TD LBC 36In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 800 mA 250 VAC
Littelfuse Cartridge Fuses FUS 5X20 PGT T1 T LBC 1A/250V (P) 893In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical Leaded 1 A 250 VAC
Littelfuse Cartridge Fuses 1A/250V (P) 5x20 C/CODE T LBC 831In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 1A IEC TD LBC 208In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A IEC TD LBC 46In Stock
100Expected 11/02/2027
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 5X20MM (P) 2AMP 14In Stock
Min.: 1
Mult.: 1

Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 4A IEC TD LBC 414In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 4 A 250 VAC
Littelfuse Cartridge Fuses 5x20 C/CODE T LBC 1 156In Stock
Min.: 1
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Glass Fuse 5 mm x 20 mm Cylindrical 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A IEC TD LBC 267In Stock
Min.: 1
Mult.: 1

Glass Fuse 5 mm x 20 mm Cylindrical 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 5X20mm (P) 5AMP 3In Stock
Min.: 1
Mult.: 1

Cylindrical 5 A 250 VAC