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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 376V 400W 5% Bi-directional P4SMA440CA Littelfuse 1: $0.87 9,333In Stock	Mfr. Part No. P4SMA440CA Mouser Part No 576-P4SMA440CA	Littelfuse	ESD Protection Diodes / TVS Diodes 376V 400W 5% Bi-directional Learn More about Littelfuse tvsdiodes	Datasheet	9,333In Stock	Cut Tape $0.87 $0.458 $0.394 $0.302 View Reel $0.191 $0.272 $0.234 $0.191 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 600W 440V 5% Uni-Directional SMBJ440A Littelfuse 1: $0.98 12,534In Stock	Mfr. Part No. SMBJ440A Mouser Part No 576-SMBJ440A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 440V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	12,534In Stock	Cut Tape $0.98 $0.465 $0.394 $0.302 $0.272 Reel $0.231 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
MOSFETs PLUS247 300V 210A N-CH X3CLASS IXFX210N30X3 IXYS 1: $37.45 258In Stock	Mfr. Part No. IXFX210N30X3 Mouser Part No 747-IXFX210N30X3	IXYS	MOSFETs PLUS247 300V 210A N-CH X3CLASS Learn More about IXYS x3 hiperfet mosfets	Datasheet	258In Stock	$37.45 $29.42	Min.: 1 Mult.: 1
MOSFETs TO264 650V 102A N-CH X2CLASS IXTK102N65X2 IXYS 1: $24.47 224In Stock	Mfr. Part No. IXTK102N65X2 Mouser Part No 747-IXTK102N65X2	IXYS	MOSFETs TO264 650V 102A N-CH X2CLASS Learn More about IXYS x2 hiperfet mosfets	Datasheet	224In Stock	$24.47 $16.19	Min.: 1 Mult.: 1
MOSFETs PLUS247 650V 120A N-CH X2CLASS IXTX120N65X2 IXYS 1: $28.42 203In Stock	Mfr. Part No. IXTX120N65X2 Mouser Part No 747-IXTX120N65X2	IXYS	MOSFETs PLUS247 650V 120A N-CH X2CLASS Learn More about IXYS x2 hiperfet mosfets	Datasheet	203In Stock	$28.42 $20.68	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 33V 600W UNI-DIR SZ1SMB AEC-Q101 SZ1SMB33AT3G Littelfuse 1: $0.57 36,648In Stock	Mfr. Part No. SZ1SMB33AT3G Mouser Part No 863-SZ1SMB33AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 33V 600W UNI-DIR SZ1SMB AEC-Q101 Learn More about Littelfuse sz1smb tvs diodes	Datasheet	36,648In Stock	Cut Tape $0.57 $0.342 $0.302 $0.244 $0.22 Reel $0.173 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 11V 600W BI-DIR SZP6SMB AEC-Q101 SZP6SMB11CAT3G Littelfuse 1: $0.82 8,953In Stock	Mfr. Part No. SZP6SMB11CAT3G Mouser Part No 863-SZP6SMB11CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 11V 600W BI-DIR SZP6SMB AEC-Q101 Learn More about Littelfuse automotive tvs diodes	Datasheet	8,953In Stock	Cut Tape $0.82 $0.394 $0.327 $0.25 $0.226 Reel $0.176 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 18V 600W BI-DIR SZP6SMB AEC-Q101 SZP6SMB18CAT3G Littelfuse 1: $0.57 13,347In Stock	Mfr. Part No. SZP6SMB18CAT3G Mouser Part No 863-SZP6SMB18CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 18V 600W BI-DIR SZP6SMB AEC-Q101 Learn More about Littelfuse automotive tvs diodes	Datasheet	13,347In Stock	Cut Tape $0.57 $0.34 $0.297 $0.254 $0.226 Reel $0.176 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Cartridge Fuses 250V 1.6A Slo-Blo 021301.6MXP Littelfuse 1: $1.17 3,343In Stock	Mfr. Part No. 021301.6MXP Mouser Part No 576-021301.6MXP	Littelfuse	Cartridge Fuses 250V 1.6A Slo-Blo Learn More about Littelfuse 5x20 fuseholders	Datasheet	3,343In Stock	$1.17 $0.666 $0.626	Min.: 1 Mult.: 1
Cartridge Fuses 250V 1.6A Slo-Blo 021501.6MXP Littelfuse 1: $1.78 1,492In Stock	Mfr. Part No. 021501.6MXP Mouser Part No 576-021501.6MXP	Littelfuse	Cartridge Fuses 250V 1.6A Slo-Blo Learn More about Littelfuse 5x20 fuseholders	Datasheet	1,492In Stock	$1.78 $1.54 $1.42 $1.19 View $1.14 $1.07 $1.03	Min.: 1 Mult.: 1
Cartridge Fuses 250 V 0.315A 5x20mm Fast Acting 0217.315MXP Littelfuse 1: $1.67 3,046In Stock	Mfr. Part No. 0217.315MXP Mouser Part No 576-0217.315MXP	Littelfuse	Cartridge Fuses 250 V 0.315A 5x20mm Fast Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	3,046In Stock	$1.67 $1.40 $1.30 $1.08 View $0.989 $0.889 $0.819 $0.716	Min.: 1 Mult.: 1
Cartridge Fuses 250V 2.5A Slo-Blo 032602.5MXP Littelfuse 1: $2.70 1,245In Stock	Mfr. Part No. 032602.5MXP Mouser Part No 576-032602.5MXP	Littelfuse	Cartridge Fuses 250V 2.5A Slo-Blo Learn More about Littelfuse 6x32 3ab3ag fuseholders	Datasheet	1,245In Stock	$2.70 $2.24 $2.07 $1.72 View $1.59 $1.33	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1500W 70.1V Bi-Directional 1.5KE82CA Littelfuse 1: $1.13 7,616In Stock	Mfr. Part No. 1.5KE82CA Mouser Part No 576-1.5KE82CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1500W 70.1V Bi-Directional Learn More about Littelfuse 1.5ke series diodes	Datasheet	7,616In Stock	Cut Tape $1.13 $0.527 $0.461 $0.355 Reel $0.228 $0.227	Min.: 1 Mult.: 1 : 1,200
ESD Protection Diodes / TVS Diodes 3.0SMCJ - CA 48V 3.0SMCJ48CA Littelfuse 1: $1.33 8,800In Stock 6,000Expected 2026/10/06	Mfr. Part No. 3.0SMCJ48CA Mouser Part No 576-3.0SMCJ48CA	Littelfuse	ESD Protection Diodes / TVS Diodes 3.0SMCJ - CA 48V Learn More about Littelfuse 30smcj tvs diodes	Datasheet	8,800In Stock 6,000Expected 2026/10/06	Cut Tape $1.33 $0.622 $0.554 $0.434 Reel $0.376 View $0.361 $0.356 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 5kW 22V 5% Uni-Directional 5.0SMDJ22A Littelfuse 1: $2.27 2,767In Stock	Mfr. Part No. 5.0SMDJ22A Mouser Part No 576-5.0SMDJ22A	Littelfuse	ESD Protection Diodes / TVS Diodes 5kW 22V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	2,767In Stock	Cut Tape $2.27 $1.20 $0.993 $0.84 $0.734 Reel $0.734 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 6Vso 4VAC 485A 5KP6.0CA Littelfuse 1: $4.00 1,706In Stock	Mfr. Part No. 5KP6.0CA Mouser Part No 576-5KP6.0CA	Littelfuse	ESD Protection Diodes / TVS Diodes 6Vso 4VAC 485A Learn More about Littelfuse 5kp tvs diodes	Datasheet	1,706In Stock	Cut Tape $4.00 $2.17 $1.95 $1.57 Reel $1.57	Min.: 1 Mult.: 1 : 800
MOSFETs TO263 250V 80A N-CH X3CLASS IXFA80N25X3-TRL IXYS 1: $6.58 512In Stock	Mfr. Part No. IXFA80N25X3-TRL Mouser Part No 576-IXFA80N25X3-TRL	IXYS	MOSFETs TO263 250V 80A N-CH X3CLASS Learn More about IXYS x3 hiperfet mosfets	Datasheet	512In Stock	Cut Tape $6.58 Reel $6.58	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes 15.3V 400W 5% Uni-directional P4SMA18A Littelfuse 1: $0.461 20,235In Stock	Mfr. Part No. P4SMA18A Mouser Part No 576-P4SMA18A	Littelfuse	ESD Protection Diodes / TVS Diodes 15.3V 400W 5% Uni-directional Learn More about Littelfuse tvsdiodes	Datasheet	20,235In Stock	Cut Tape $0.461 $0.231 $0.169 $0.147 $0.121 Reel $0.121 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 1.5kW 16V 5% Bi-Directional SMCJ16CA Littelfuse 1: $0.83 13,760In Stock 8,100Expected 2026/10/07	Mfr. Part No. SMCJ16CA Mouser Part No 576-SMCJ16CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 16V 5% Bi-Directional Learn More about Littelfuse smcj tvs 1500w diodes	Datasheet	13,760In Stock 8,100Expected 2026/10/07	Cut Tape $0.83 $0.447 $0.372 $0.298 $0.273 Reel $0.199 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
MOSFETs TO247 250V 120A N-CH X3CLASS IXFH120N25X3 IXYS 1: $17.84 886In Stock	Mfr. Part No. IXFH120N25X3 Mouser Part No 747-IXFH120N25X3	IXYS	MOSFETs TO247 250V 120A N-CH X3CLASS Learn More about IXYS x3 hiperfet mosfets	Datasheet	886In Stock	$17.84 $10.82	Min.: 1 Mult.: 1
MOSFET Modules 650V/78A miniBLOC SOT-227 IXFN100N65X2 IXYS 1: $40.05 314In Stock	Mfr. Part No. IXFN100N65X2 Mouser Part No 747-IXFN100N65X2	IXYS	MOSFET Modules 650V/78A miniBLOC SOT-227 Learn More about IXYS x2 hiperfet mosfets	Datasheet	314In Stock	$40.05 $30.10	Min.: 1 Mult.: 1
Bridge Rectifiers Standard Rectifier 1600V, 62A VUO62-16NO7 IXYS 1: $48.01 201In Stock	Mfr. Part No. VUO62-16NO7 Mouser Part No 747-VUO62-16NO7	IXYS	Bridge Rectifiers Standard Rectifier 1600V, 62A Learn More about IXYS 3 phase rectifier bridges	Datasheet	201In Stock	$48.01 $34.01	Min.: 1 Mult.: 1
Cartridge Fuses 250V .1A Fast Acting 0216.100MXP Littelfuse 1: $2.23 2,260In Stock	Mfr. Part No. 0216.100MXP Mouser Part No 576-0216.100MXP	Littelfuse	Cartridge Fuses 250V .1A Fast Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	2,260In Stock	$2.23 $1.92 $1.67 $1.47 View $1.36 $1.17 $1.06 $1.01	Min.: 1 Mult.: 1
Cartridge Fuses 250V 8A Fast Acting 0216008.MXEP Littelfuse 1: $1.74 1,079In Stock	Mfr. Part No. 0216008.MXEP Mouser Part No 576-0216008.MXEP	Littelfuse	Cartridge Fuses 250V 8A Fast Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	1,079In Stock	$1.74 $1.57 $1.40 $1.34	Min.: 1 Mult.: 1
Cartridge Fuses 250V 1.6A Fast Acting 021601.6MXEP Littelfuse 1: $2.99 1,451In Stock	Mfr. Part No. 021601.6MXEP Mouser Part No 576-021601.6MXEP	Littelfuse	Cartridge Fuses 250V 1.6A Fast Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	1,451In Stock	$2.99 $2.48 $2.29 $1.90 View $1.76 $1.58 $1.45 $1.34	Min.: 1 Mult.: 1

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