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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.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Cartridge Fuses 250V 125mA TL HBC 0215.125MXEP Littelfuse 1: $3.54 973In Stock	Mfr. Part No. 0215.125MXEP Mouser Part No 576-0215.125MXEP	Littelfuse	Cartridge Fuses 250V 125mA TL HBC Learn More about Littelfuse 5x20 fuseholders	Datasheet	973In Stock	$3.54 $2.93 $2.71 $2.25 View $2.07 $1.86 $1.72 $1.57 $1.55	Min.: 1 Mult.: 1
Cartridge Fuses 250V 12A IEC PT TD HBC 0215012.MRET1P Littelfuse 1: $3.56 1,700In Stock	Mfr. Part No. 0215012.MRET1P Mouser Part No 576-0215012.MRET1P	Littelfuse	Cartridge Fuses 250V 12A IEC PT TD HBC Learn More about Littelfuse 5x20 fuseholders	Datasheet	1,700In Stock	Cut Tape $3.56 $3.24 $3.12 $2.46 View Reel $1.53 $2.09 $1.96 $1.73 $1.53	Min.: 1 Mult.: 1 : 1,000
Cartridge Fuses 250V .5A Fast Acting 0216.500MXP Littelfuse 1: $1.86 6,961In Stock	Mfr. Part No. 0216.500MXP Mouser Part No 576-0216.500MXP	Littelfuse	Cartridge Fuses 250V .5A Fast Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	6,961In Stock	$1.86 $1.73 $1.59 $1.45 View $1.24 $1.03 $0.976 $0.975	Min.: 1 Mult.: 1
Cartridge Fuses 250V 10A Medium Acting 0232010.MXP Littelfuse 1: $1.05 3,417In Stock	Mfr. Part No. 0232010.MXP Mouser Part No 576-0232010.MXP	Littelfuse	Cartridge Fuses 250V 10A Medium Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	3,417In Stock	$1.05 $0.914 $0.873 $0.794 View $0.762 $0.723 $0.694 $0.639 $0.595	Min.: 1 Mult.: 1
Cartridge Fuses 250V .75A Slo-Blo 0239.750MXP Littelfuse 1: $1.48 3,415In Stock	Mfr. Part No. 0239.750MXP Mouser Part No 576-0239.750MXP	Littelfuse	Cartridge Fuses 250V .75A Slo-Blo Learn More about Littelfuse 5x20 fuseholders	Datasheet	3,415In Stock	$1.48 $1.23 $1.14 $0.848 $0.684	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1.5kW 110V 5% Uni-Directional 1.5SMC110A Littelfuse 1: $0.56 6,373In Stock	Mfr. Part No. 1.5SMC110A Mouser Part No 576-1.5SMC110A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 110V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	6,373In Stock	Cut Tape $0.56 $0.47 $0.42 $0.344 Reel $0.231 View $0.311 $0.23 $0.212 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 3.0SMCJ - CA 15V 3.0SMCJ15CA Littelfuse 1: $1.55 6,960In Stock	Mfr. Part No. 3.0SMCJ15CA Mouser Part No 576-3.0SMCJ15CA	Littelfuse	ESD Protection Diodes / TVS Diodes 3.0SMCJ - CA 15V Learn More about Littelfuse 30smcj tvs diodes	Datasheet	6,960In Stock	Cut Tape $1.55 $0.962 $0.773 $0.739 Reel $0.409 View $0.514 $0.405 $0.404 $0.403 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 120Vso 94VAC 23A 5KP120A Littelfuse 1: $3.37 1,319In Stock	Mfr. Part No. 5KP120A Mouser Part No 576-5KP120A	Littelfuse	ESD Protection Diodes / TVS Diodes 120Vso 94VAC 23A Learn More about Littelfuse 5kp tvs diodes	Datasheet	1,319In Stock	Cut Tape $3.37 $2.01 $1.82 $1.21 Reel $1.20	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes 16Vso 12VAC 192A 5KP16CA Littelfuse 1: $3.51 1,025In Stock	Mfr. Part No. 5KP16CA Mouser Part No 576-5KP16CA	Littelfuse	ESD Protection Diodes / TVS Diodes 16Vso 12VAC 192A Learn More about Littelfuse 5kp tvs diodes	Datasheet	1,025In Stock	Cut Tape $3.51 $2.10 $1.87 $1.28 Reel $1.27	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes 400W 350V 5% Bi-Directional SMAJ350CA Littelfuse 1: $0.82 12,005In Stock	Mfr. Part No. SMAJ350CA Mouser Part No 576-SMAJ350CA	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 350V 5% Bi-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	12,005In Stock	Cut Tape $0.82 $0.465 $0.32 $0.279 View Reel $0.183 $0.273 $0.272 $0.183 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 3kW 8.5V 5% Bi-Directional SMDJ8.5CA Littelfuse 1: $1.64 5,990In Stock	Mfr. Part No. SMDJ8.5CA Mouser Part No 576-SMDJ8.5CA	Littelfuse	ESD Protection Diodes / TVS Diodes 3kW 8.5V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	5,990In Stock	Cut Tape $1.64 $0.799 $0.686 $0.538 $0.488 Reel $0.373 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 0.25pFA 14V 1206 AEC-Q200 PESD1206Q-240 Littelfuse 1: $1.25 7,574In Stock	Mfr. Part No. PESD1206Q-240 Mouser Part No 650-PESD1206Q-240	Littelfuse	ESD Protection Diodes / TVS Diodes 0.25pFA 14V 1206 AEC-Q200 Learn More about Littelfuse teconnectivity pesd	Datasheet	7,574In Stock	Cut Tape $1.25 $0.661 $0.527 $0.411 Reel $0.286 View $0.371 $0.323 $0.271 $0.27 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
MOSFETs N-Ch 200V Enh FET 200Vdgr 300A 4mOhm IXFK300N20X3 IXYS 1: $39.38 179In Stock	Mfr. Part No. IXFK300N20X3 Mouser Part No 747-IXFK300N20X3	IXYS	MOSFETs N-Ch 200V Enh FET 200Vdgr 300A 4mOhm Learn More about IXYS x3 hiperfet mosfets	Datasheet	179In Stock	$39.38 $27.89	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 2.2K OHM .1% DEG C PROBE ASMB USP11493 Littelfuse 1: $11.39 1,745In Stock	Mfr. Part No. USP11493 Mouser Part No 803-USP11493	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 2.2K OHM .1% DEG C PROBE ASMB Learn More about Littelfuse thermistor probes assemblies	Datasheet	1,745In Stock	$11.39 $10.25 $9.67 $9.20 View $7.49 $7.18 $7.17 $6.90 $6.83	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 26V 400W UNI-DIR SZ1SMA AEC-Q101 SZ1SMA26AT3G Littelfuse 1: $0.75 9,398In Stock	Mfr. Part No. SZ1SMA26AT3G Mouser Part No 863-SZ1SMA26AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 26V 400W UNI-DIR SZ1SMA AEC-Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	9,398In Stock	Cut Tape $0.75 $0.368 $0.298 $0.227 Reel $0.143 View $0.205 $0.176 $0.134 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Cartridge Fuses FUSE 250V 5X20 PT RAD TL PB-FREE 10A 0215010.MXF46P Littelfuse 1: $0.83 1,770In Stock	Mfr. Part No. 0215010.MXF46P Mouser Part No 576-0215010.MXF46P	Littelfuse	Cartridge Fuses FUSE 250V 5X20 PT RAD TL PB-FREE 10A Learn More about Littelfuse 5x20 fuseholders	Datasheet	1,770In Stock	$0.83 $0.728 $0.706 $0.593 View $0.493 $0.448 $0.401 $0.387 $0.365	Min.: 1 Mult.: 1
Cartridge Fuses 250V 1.25A Slo-Blo 02151.25MXEP Littelfuse 1: $3.27 771In Stock	Mfr. Part No. 02151.25MXEP Mouser Part No 576-02151.25MXEP	Littelfuse	Cartridge Fuses 250V 1.25A Slo-Blo Learn More about Littelfuse 5x20 fuseholders	Datasheet	771In Stock	$3.27 $2.98 $2.87 $2.26 View $1.92 $1.80 $1.66 $1.65	Min.: 1 Mult.: 1
Cartridge Fuses 250V 10A CC Radial Fast Acting SP 0216010.MXR10SPP Littelfuse 1: $1.50 976In Stock	Mfr. Part No. 0216010.MXR10SPP Mouser Part No 576-0216010.MXR10SPP	Littelfuse	Cartridge Fuses 250V 10A CC Radial Fast Acting SP Learn More about Littelfuse 5x20 fuseholders	Datasheet	976In Stock	$1.50 $1.34 $1.25 $1.04 View $0.878 $0.84 $0.727 $0.677	Min.: 1 Mult.: 1
Cartridge Fuses 250V 5x20 PGT RAD FORM T LBC 3.15A 02183.15MXF7P Littelfuse 1: $1.05 485In Stock 1,000Expected 19/10/2026	Mfr. Part No. 02183.15MXF7P Mouser Part No 576-02183.15MXF7P	Littelfuse	Cartridge Fuses 250V 5x20 PGT RAD FORM T LBC 3.15A Learn More about Littelfuse 5x20 fuseholders	Datasheet	485In Stock 1,000Expected 19/10/2026	$1.05 $0.891 $0.833 $0.689 View $0.607 $0.56 $0.493 $0.454 $0.451	Min.: 1 Mult.: 1
Cartridge Fuses 125V 6A C/Code M 0233006.MXBP Littelfuse 1: $1.71 1,125In Stock	Mfr. Part No. 0233006.MXBP Mouser Part No 576-0233006.MXBP	Littelfuse	Cartridge Fuses 125V 6A C/Code M Learn More about Littelfuse 5x20 fuseholders	Datasheet	1,125In Stock	$1.71 $1.49 $1.42 $1.14 View $0.997 $0.942 $0.826 $0.778	Min.: 1 Mult.: 1
Cartridge Fuses 125V 3.5A C/Code M 023303.5MXBP Littelfuse 1: $1.71 243In Stock	Mfr. Part No. 023303.5MXBP Mouser Part No 576-023303.5MXBP	Littelfuse	Cartridge Fuses 125V 3.5A C/Code M Learn More about Littelfuse 5x20 fuseholders	Datasheet	243In Stock	$1.71 $1.49 $1.42 $1.14 View $0.997 $0.878 $0.81 $0.778	Min.: 1 Mult.: 1
Cartridge Fuses 250V 1.25A C/Code 02341.25MXBP Littelfuse 1: $1.45 718In Stock	Mfr. Part No. 02341.25MXBP Mouser Part No 576-02341.25MXBP	Littelfuse	Cartridge Fuses 250V 1.25A C/Code Learn More about Littelfuse 5x20 fuseholders	Datasheet	718In Stock	$1.45 $1.30 $1.22 $1.01 View $0.848 $0.817 $0.703 $0.691 $0.674	Min.: 1 Mult.: 1
Cartridge Fuses 250V 6A Fast Acting 0235006.MXEP Littelfuse 1: $1.66 562In Stock	Mfr. Part No. 0235006.MXEP Mouser Part No 576-0235006.MXEP	Littelfuse	Cartridge Fuses 250V 6A Fast Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	562In Stock	$1.66 $1.46 $1.39 $1.12 View $0.967 $0.925 $0.801 $0.80 $0.786	Min.: 1 Mult.: 1
Cartridge Fuses 250V .175A Slo-Blo 3AB 0326.175HXP Littelfuse 1: $2.85 35In Stock	Mfr. Part No. 0326.175HXP Mouser Part No 576-0326.175HXP	Littelfuse	Cartridge Fuses 250V .175A Slo-Blo 3AB Learn More about Littelfuse 6x32 3ab3ag fuseholders	Datasheet	35In Stock	$2.85 $2.65 $2.52 $2.04 View $1.73 $1.70 $1.56 $1.51 $1.44	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1.5SMB - CA 85V 1.5SMB62CA Littelfuse 1: $1.14 3,498In Stock	Mfr. Part No. 1.5SMB62CA Mouser Part No 576-1.5SMB62CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5SMB - CA 85V Learn More about Littelfuse tvsdiodes	Datasheet	3,498In Stock	Cut Tape $1.14 $0.614 $0.453 $0.35 Reel $0.257 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

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