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: 1,663
Select Image Part # Mfr. Description Datasheet Availability Pricing (JPY) 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 4A Slo-Blo 10,001In Stock
¥536.5
¥445.1
¥400.3
¥340.5
Min.: 1
Mult.: 1
Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 4 A 250 VAC
Littelfuse Cartridge Fuses 250V 8A Medium Acting 24,035In Stock
¥209.3
¥182.7
¥171.1
¥140
Min.: 1
Mult.: 1
Glass Fuse 5 mm x 20 mm Cylindrical 8 A 250 VAC
Littelfuse Cartridge Fuses 250V .032A Time Lag (Slo-Blo) 1,989In Stock
¥765.7
¥712.6
¥687.7
¥541.5
Min.: 1
Mult.: 1
Glass Fuse 5 mm x 20 mm Cylindrical Leaded 32 mA 250 VAC
Littelfuse Cartridge Fuses 250V .16A Fast Acting 1,128In Stock
¥543.1
¥451.8
¥416.9
¥345.5
Min.: 1
Mult.: 1
Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 160 mA 250 VAC
Littelfuse Cartridge Fuses 250V 3.15A Time Lag (Slo-Blo) 1,386In Stock
¥418.6
¥348.8
¥322.2
¥267.4
Min.: 1
Mult.: 1
Glass Fuse 5 mm x 20 mm Cylindrical Leaded 3.15 A 250 VAC
Littelfuse Cartridge Fuses 250V .3A Slo-Blo 6,523In Stock
¥313.9
¥260.8
¥240.8
¥201
Min.: 1
Mult.: 1
Glass Fuse 5 mm x 20 mm Cylindrical 300 mA 250 VAC
Littelfuse Cartridge Fuses 250V .25A Slo-Blo 4,201In Stock
¥393.7
¥357.1
¥340.5
¥274.1
Min.: 1
Mult.: 1
Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 250 mA 250 VAC
Littelfuse Cartridge Fuses 250V 5A Slo-Blo 1,526In Stock
¥531.5
¥441.8
¥408.6
¥335.5
Min.: 1
Mult.: 1
Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 5 A 250 VAC
Littelfuse Cartridge Fuses 250V .1A Fast Acting 1,290In Stock
¥445.1
¥370.4
¥342.2
¥284
Min.: 1
Mult.: 1
Glass Fuse 5 mm x 20 mm Cylindrical 100 mA 250 VAC
Littelfuse Cartridge Fuses 250V 10A Slo-Blo 3,760In Stock
¥536.5
¥445.1
¥392
¥340.5
Min.: 1
Mult.: 1
Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 10 A 250 VAC
Littelfuse Cartridge Fuses 250V 8A Fast Acting 1,059In Stock
¥393.7
¥353.8
¥333.9
¥284
Min.: 1
Mult.: 1
Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 8 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.6A Fast Acting 1,451In Stock
¥496.6
¥411.9
¥380.4
¥315.6
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 10A Fast Acting 7,785In Stock
¥350.5
¥290.7
¥230.9
¥202.6
Min.: 1
Mult.: 1
Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 10 A 250 VAC
Littelfuse Cartridge Fuses 250V .04A Time Lag (Slo-Blo) 965In Stock
¥533.2
¥468.4
¥441.8
¥365.4
Min.: 1
Mult.: 1
Glass Fuse 5 mm x 20 mm Cylindrical 40 mA 250 VAC
Littelfuse Cartridge Fuses 250V .08A Time Lag (Slo-Blo) 1,529In Stock
¥571.4
¥495
¥430.2
¥315.6
Min.: 1
Mult.: 1
Glass Fuse 5 mm x 20 mm Cylindrical 80 mA 250 VAC
Littelfuse Cartridge Fuses 125V 1.25A Medium Acting 2,425In Stock
¥237.5
¥197.7
¥182.7
¥126.4
Min.: 1
Mult.: 1
Glass Fuse 5 mm x 20 mm Cylindrical 1.25 A 125 VAC
Littelfuse Cartridge Fuses 250V .3A Fast Acting 11,781In Stock
¥234.2
¥194.3
¥179.4
¥149
Min.: 1
Mult.: 1
Glass Fuse 5 mm x 20 mm Cylindrical 300 mA 250 VAC
Littelfuse Cartridge Fuses 250V .8A Slo-Blo 1,094In Stock
¥599.6
¥546.5
¥526.5
¥413.6
Min.: 1
Mult.: 1
Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 800 mA 250 VAC
Littelfuse Cartridge Fuses 250V 5A Fast Acting 1,000In Stock
¥516.6
¥436.8
¥403.6
¥340.5
Min.: 1
Mult.: 1
Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 5 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.25A Fast Acting 1,000In Stock
¥498.3
¥436.8
¥403.6
¥333.9
Min.: 1
Mult.: 1
Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250V 1.6A Slo-Blo 1,458In Stock
¥312.3
¥277.4
¥259.1
¥220.9
Min.: 1
Mult.: 1
Ceramic Cartridge Fuse 5 mm x 20 mm Cylindrical 1.6 A 250 VAC
Littelfuse Cartridge Fuses 250V 1A Fast Acting 6,719In Stock
¥350.5
¥290.7
¥269.1
¥181
Min.: 1
Mult.: 1
Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250 V 0.315A 5x20mm Fast Acting 2,951In Stock
¥280.7
¥232.5
¥215.9
¥179.4
Min.: 1
Mult.: 1
Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 315 mA 250 VAC
Littelfuse Cartridge Fuses 250V 2.5A Slo-Blo 1,196In Stock
¥448.5
¥372.1
¥343.8
¥285.7
Min.: 1
Mult.: 1
Axial Lead and Cartridge Fuse 3AB (6.3 mm x 32 mm) Cylindrical 2.5 A 250 VAC 125 VDC
Littelfuse Cartridge Fuses 250V 125mA TL HBC 973In Stock
¥588
¥488.3
¥450.1
¥373.7
Min.: 1
Mult.: 1
Axial Lead and Cartridge Fuse 5 mm x 20 mm Cylindrical Leaded 125 mA 250 VAC