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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.
ESD Protection Diodes / TVS Diodes ESD 190V BI AK10-190C-Y Littelfuse 1: $63.30 21In Stock	Mfr. Part No. AK10-190C-Y Mouser Part No 576-AK10-190C-Y	Littelfuse	ESD Protection Diodes / TVS Diodes ESD 190V BI Learn More about Littelfuse tvsdiodes	Datasheet	21In Stock	$63.30 $56.36	Min.: 1 Mult.: 1
Contactors - Electromechanical 3P 24V 75A CONT. CON-3/24/75 Hartland Controls / Littelfuse 1: $207.76 12In Stock Factory Special Order	Mfr. Part No. CON-3/24/75 Mouser Part No 576-CON-3/24/75 Factory Special Order	Hartland Controls / Littelfuse	Contactors - Electromechanical 3P 24V 75A CONT. Learn More about Hartland Controls / Littelfuse hartland hcd 3 pole contactors	Datasheet	12In Stock	$207.76 $194.14 View $192.56 $192.34 Quote	Min.: 1 Mult.: 1
Contactors - Electromechanical 3P 240V 75AMP CONTACTOR CON-3/240/75 Hartland Controls / Littelfuse 1: $545.11 8In Stock Factory Special Order	Mfr. Part No. CON-3/240/75 Mouser Part No 576-CON-3/240/75 Factory Special Order	Hartland Controls / Littelfuse	Contactors - Electromechanical 3P 240V 75AMP CONTACTOR Learn More about Hartland Controls / Littelfuse hartland hcd 3 pole contactors	Datasheet	8In Stock	$545.11 $389.16	Min.: 1 Mult.: 1
Contactors - Electromechanical 3P 120V 40A CONT. CON-3/120/40 Hartland Controls / Littelfuse 1: $56.07 209In Stock Factory Special Order	Mfr. Part No. CON-3/120/40 Mouser Part No 576-CON-3/120/40 Factory Special Order	Hartland Controls / Littelfuse	Contactors - Electromechanical 3P 120V 40A CONT. Learn More about Hartland Controls / Littelfuse hartland hcc 3 pole contactors	Datasheet	209In Stock	$56.07 $56.06 $45.18 $43.95	Min.: 1 Mult.: 1
Cartridge Fuses 125V 6A Medium Acting 0233006.MXEP Littelfuse 1: $2.34 953In Stock	Mfr. Part No. 0233006.MXEP Mouser Part No 576-0233006.MXEP	Littelfuse	Cartridge Fuses 125V 6A Medium Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	953In Stock	$2.34 $2.13 $2.04 $1.64 View $1.40 $1.35 $1.14 $1.12 $1.01	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 5V 3A +30/-22kV uDFN3810-9L Diode array SP4320-01WTG Littelfuse 1: $0.72 19,840In Stock New Product	Mfr. Part No. SP4320-01WTG Mouser Part No 576-SP4320-01WTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 5V 3A +30/-22kV uDFN3810-9L Diode array Learn More about Littelfuse sp432x 01wtg tvs diodes	Datasheet	19,840In Stock	Cut Tape $0.72 $0.334 $0.284 $0.216 Reel $0.14 View $0.204 $0.184 $0.169 $0.122 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes "24 V, 0.3 pF, 15 kV" SP4324-01WTG Littelfuse 1: $0.70 19,980In Stock New Product	Mfr. Part No. SP4324-01WTG Mouser Part No 576-SP4324-01WTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes "24 V, 0.3 pF, 15 kV" Learn More about Littelfuse sp432x 01wtg tvs diodes	Datasheet	19,980In Stock	Cut Tape $0.70 $0.43 $0.276 $0.209 Reel $0.123 View $0.188 $0.16 $0.147 $0.122 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
MOSFETs 250V/60A Ultra Junct ion X3-Class MOSFET IXFP60N25X3 IXYS 1: $11.00 225In Stock	Mfr. Part No. IXFP60N25X3 Mouser Part No 747-IXFP60N25X3	IXYS	MOSFETs 250V/60A Ultra Junct ion X3-Class MOSFET Learn More about IXYS x3 hiperfet mosfets	Datasheet	225In Stock	$11.00 $7.00 $5.78 $5.76	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 94Vso 105Vbr P4KE110CA Littelfuse 1: $0.85 4,900In Stock	Mfr. Part No. P4KE110CA Mouser Part No 576-P4KE110CA	Littelfuse	ESD Protection Diodes / TVS Diodes 94Vso 105Vbr Learn More about Littelfuse tvsdiodes	Datasheet	4,900In Stock	Cut Tape $0.85 $0.39 $0.344 $0.265 Reel $0.224 View $0.263 $0.233 $0.223 $0.222	Min.: 1 Mult.: 1 : 5,000
Contactors - Electromechanical 3P 240V 40A CONT. CON-3/240/40 Hartland Controls / Littelfuse 1: $87.62 29In Stock Factory Special Order	Mfr. Part No. CON-3/240/40 Mouser Part No 576-CON-3/240/40 Factory Special Order	Hartland Controls / Littelfuse	Contactors - Electromechanical 3P 240V 40A CONT. Learn More about Hartland Controls / Littelfuse hartland hcc 3 pole contactors	Datasheet	29In Stock	$87.62 $83.47 $83.46	Min.: 1 Mult.: 1
Bridge Rectifiers 200V 30A Power Diode Discretes-FRED i4-Pac DPF30U200FC IXYS 1: $20.10 3,153In Stock	Mfr. Part No. DPF30U200FC Mouser Part No 576-DPF30U200FC	IXYS	Bridge Rectifiers 200V 30A Power Diode Discretes-FRED i4-Pac Learn More about IXYS dpf30u200fc 3 phase bridge rectifier	Datasheet	3,153In Stock	$20.10 $14.84 $12.97 $12.61 Quote Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes ESD 380V BI AK10-380C-Y Littelfuse 1: $104.34 192In Stock 280Expected 2026/10/28	Mfr. Part No. AK10-380C-Y Mouser Part No 576-AK10-380C-Y	Littelfuse	ESD Protection Diodes / TVS Diodes ESD 380V BI Learn More about Littelfuse tvsdiodes	Datasheet	192In Stock 280Expected 2026/10/28	$104.34 $103.19	Min.: 1 Mult.: 1
IGBT Modules IXYN110N120B4H1 IXYN110N120B4H1 IXYS 1: $48.89 231In Stock	Mfr. Part No. IXYN110N120B4H1 Mouser Part No 576-IXYN110N120B4H1	IXYS	IGBT Modules IXYN110N120B4H1 Learn More about IXYS littelfuse 1200v trench xpt igbts	Datasheet	231In Stock	$48.89 $37.43	Min.: 1 Mult.: 1
IGBT Modules IXYN110N120C4H1 IXYN110N120C4H1 IXYS 1: $48.86 98In Stock	Mfr. Part No. IXYN110N120C4H1 Mouser Part No 576-IXYN110N120C4H1	IXYS	IGBT Modules IXYN110N120C4H1 Learn More about IXYS littelfuse 1200v trench xpt igbts	Datasheet	98In Stock	$48.86 $36.88	Min.: 1 Mult.: 1
Cartridge Fuses 250V 2A Slo-Blo 0215002.MXP Littelfuse 1: $2.45 15,649In Stock 13,000Expected 2027/01/27	Mfr. Part No. 0215002.MXP Mouser Part No 576-0215002.MXP	Littelfuse	Cartridge Fuses 250V 2A Slo-Blo Learn More about Littelfuse 5x20 fuseholders	Datasheet	15,649In Stock 13,000Expected 2027/01/27	$2.45 $2.07 $1.91 $1.41 $1.14	Min.: 1 Mult.: 1
Cartridge Fuses 250V 4A Slo-Blo 0215004.MXP Littelfuse 1: $2.35 41,772In Stock	Mfr. Part No. 0215004.MXP Mouser Part No 576-0215004.MXP	Littelfuse	Cartridge Fuses 250V 4A Slo-Blo Learn More about Littelfuse 5x20 fuseholders	Datasheet	41,772In Stock	$2.35 $1.95 $1.80 $1.49 View $1.24 $1.16 $1.14	Min.: 1 Mult.: 1
Cartridge Fuses 250V 3.15A Slo-Blo 02153.15HXP Littelfuse 1: $2.44 12,076In Stock 7,100Expected 2027/02/15	Mfr. Part No. 02153.15HXP Mouser Part No 576-02153.15HXP	Littelfuse	Cartridge Fuses 250V 3.15A Slo-Blo Learn More about Littelfuse 5x20 fuseholders	Datasheet	12,076In Stock 7,100Expected 2027/02/15	$2.44 $2.04 $1.87 $1.40 View $1.26 $1.21 $1.19	Min.: 1 Mult.: 1
Cartridge Fuses 250V 2A Fast Acting 0216002.MXP Littelfuse 1: $2.11 16,123In Stock	Mfr. Part No. 0216002.MXP Mouser Part No 576-0216002.MXP	Littelfuse	Cartridge Fuses 250V 2A Fast Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	16,123In Stock	$2.11 $1.76 $1.62 $1.34 View $1.24 $1.11 $1.01	Min.: 1 Mult.: 1
Cartridge Fuses 250 V 2A 5x20mm Fast Acting 0217002.HXP Littelfuse 1: $0.60 86,129In Stock	Mfr. Part No. 0217002.HXP Mouser Part No 576-0217002.HXP	Littelfuse	Cartridge Fuses 250 V 2A 5x20mm Fast Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	86,129In Stock	$0.60 $0.50 $0.461 $0.383 View $0.327 $0.302 $0.283 $0.261 $0.254	Min.: 1 Mult.: 1
Cartridge Fuses 250V .1A Fast Acting 0235.100MXP Littelfuse 1: $2.66 13,359In Stock	Mfr. Part No. 0235.100MXP Mouser Part No 576-0235.100MXP	Littelfuse	Cartridge Fuses 250V .1A Fast Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	13,359In Stock	$2.66 $2.21 $2.04 $1.69 View $1.56 $1.40 $1.30	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1500W 342V Bi-Directional 1.5KE400CA Littelfuse 1: $1.21 60,389In Stock	Mfr. Part No. 1.5KE400CA Mouser Part No 576-1.5KE400CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1500W 342V Bi-Directional Learn More about Littelfuse 1.5ke series diodes	Datasheet	60,389In Stock	Cut Tape $1.21 $0.563 $0.499 $0.387 Reel $0.385	Min.: 1 Mult.: 1 : 1,200
ESD Protection Diodes / TVS Diodes 5kW 54V 5% Uni-Directional 5.0SMDJ54A Littelfuse 1: $2.36 29,915In Stock 24,000Expected 2027/03/08	Mfr. Part No. 5.0SMDJ54A Mouser Part No 576-5.0SMDJ54A	Littelfuse	ESD Protection Diodes / TVS Diodes 5kW 54V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	29,915In Stock 24,000Expected 2027/03/08	Cut Tape $2.36 $1.20 $1.03 $0.849 $0.787 Reel $0.734 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 5kW 64V 5% Uni-Directional 5.0SMDJ64A Littelfuse 1: $2.36 21,308In Stock	Mfr. Part No. 5.0SMDJ64A Mouser Part No 576-5.0SMDJ64A	Littelfuse	ESD Protection Diodes / TVS Diodes 5kW 64V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	21,308In Stock	Cut Tape $2.36 $1.20 $1.03 $0.849 $0.787 Reel $0.734 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 58Vso 45VAC 53A 5KP58CA Littelfuse 1: $3.97 10,359In Stock 9,600On Order	Mfr. Part No. 5KP58CA Mouser Part No 576-5KP58CA	Littelfuse	ESD Protection Diodes / TVS Diodes 58Vso 45VAC 53A Learn More about Littelfuse 5kp tvs diodes	Datasheet	10,359In Stock 9,600On Order On Order Ship Dates Mfr. No: 5KP58CA Stock: 10,359 Can Dispatch Immediately On Order: 2,400 Expected 2026/10/08 7,200 Expected 2026/12/09 Factory Lead Time: 22 Weeks	Cut Tape $3.97 $2.11 $1.90 $1.54 Reel $1.51	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes ESD 430V BI AK3-430C-Y Littelfuse 1: $47.46 911In Stock 616Expected 2026/09/29	Mfr. Part No. AK3-430C-Y Mouser Part No 576-AK3-430C-Y	Littelfuse	ESD Protection Diodes / TVS Diodes ESD 430V BI Learn More about Littelfuse tvsdiodes	Datasheet	911In Stock 616Expected 2026/09/29	$47.46 $44.93 $44.92	Min.: 1 Mult.: 1

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