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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 128Vr 600W 2.9A 5% Bi-Directional P6KE150CA Littelfuse 1: $0.64 7,788In Stock	Mfr. Part No. P6KE150CA Mouser Part No 576-P6KE150CA	Littelfuse	ESD Protection Diodes / TVS Diodes 128Vr 600W 2.9A 5% Bi-Directional Learn More about Littelfuse p6ke diodes	Datasheet	7,788In Stock	Cut Tape $0.64 $0.288 $0.254 $0.191 $0.18 Reel $0.17	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 13.6Vr 600W 27A 5% Uni-Directional P6KE16A Littelfuse 1: $0.38 7,199In Stock	Mfr. Part No. P6KE16A Mouser Part No 576-P6KE16A	Littelfuse	ESD Protection Diodes / TVS Diodes 13.6Vr 600W 27A 5% Uni-Directional Learn More about Littelfuse p6ke diodes	Datasheet	7,199In Stock	Cut Tape $0.38 $0.198 $0.179 $0.151 Reel $0.151	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 342Vr 600W 1.1A 5% Uni-Directional P6KE400A Littelfuse 1: $0.961 5,462In Stock	Mfr. Part No. P6KE400A Mouser Part No 576-P6KE400A	Littelfuse	ESD Protection Diodes / TVS Diodes 342Vr 600W 1.1A 5% Uni-Directional Learn More about Littelfuse p6ke diodes	Datasheet	5,462In Stock	Cut Tape $0.961 $0.443 $0.385 $0.297 Reel $0.188 View $0.271 $0.233 $0.18	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes SA40CA Bi-Directional SA40CA Littelfuse 1: $0.85 7,990In Stock	Mfr. Part No. SA40CA Mouser Part No 576-SA40CA	Littelfuse	ESD Protection Diodes / TVS Diodes SA40CA Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	7,990In Stock	Cut Tape $0.85 $0.386 $0.336 $0.261 View Reel $0.197 $0.237 $0.216 $0.197	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 18V 400W UNI-DIR SZ1SMA AEC-Q101 SZ1SMA18AT3G Littelfuse 1: $0.78 5,851In Stock	Mfr. Part No. SZ1SMA18AT3G Mouser Part No 863-SZ1SMA18AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 18V 400W UNI-DIR SZ1SMA AEC-Q101 Learn More about Littelfuse sz1sma tvs diodes	Datasheet	5,851In Stock	Cut Tape $0.78 $0.368 $0.311 $0.236 View Reel $0.16 $0.224 $0.204 $0.16 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 68V 600W BI-DIR SZP6SMB AEC-Q101 SZP6SMB68CAT3G Littelfuse 1: $0.561 5,920In Stock	Mfr. Part No. SZP6SMB68CAT3G Mouser Part No 863-SZP6SMB68CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes 68V 600W BI-DIR SZP6SMB AEC-Q101 Learn More about Littelfuse automotive tvs diodes	Datasheet	5,920In Stock	Cut Tape $0.561 $0.336 $0.295 $0.25 $0.226 Reel $0.176 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Proximity Sensors NO 12-18AT 500mm 59140-1-S-03-F Littelfuse 1: $3.50 462In Stock	Mfr. Part No. 59140-1-S-03-F Mouser Part No 934-59140-1-S-03-F	Littelfuse	Proximity Sensors NO 12-18AT 500mm Learn More about Littelfuse reed sensors	Datasheet	462In Stock	$3.50 $2.72 $2.22 $2.13 View $2.02 $1.93	Min.: 1 Mult.: 1
Cartridge Fuses 250V 2.5A Medium Acting 023402.5MXP Littelfuse 1: $1.55 1,328In Stock	Mfr. Part No. 023402.5MXP Mouser Part No 576-023402.5MXP	Littelfuse	Cartridge Fuses 250V 2.5A Medium Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	1,328In Stock	$1.55 $1.29 $1.20 $0.989 View $0.911 $0.819 $0.755 $0.656	Min.: 1 Mult.: 1
Cartridge Fuses 125V 4A Fast Acting 0235004.MXP Littelfuse 1: $0.661 4,598In Stock	Mfr. Part No. 0235004.MXP Mouser Part No 576-0235004.MXP	Littelfuse	Cartridge Fuses 125V 4A Fast Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	4,598In Stock	$0.661 $0.541 $0.50 $0.415 View $0.372 $0.326 $0.298 $0.277 $0.258	Min.: 1 Mult.: 1
Cartridge Fuses 250V 12A SB 3AB PB-FREE 0326012.MXDP Littelfuse 1: $3.12 639In Stock	Mfr. Part No. 0326012.MXDP Mouser Part No 576-0326012.MXDP	Littelfuse	Cartridge Fuses 250V 12A SB 3AB PB-FREE Learn More about Littelfuse 6x32 3ab3ag fuseholders	Datasheet	639In Stock	$3.12 $2.59 $2.40 $1.99 View $1.83 $1.65 $1.56	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1.5kW 10V 5% Bi-Directional 1.5SMC10CA Littelfuse 1: $0.47 5,557In Stock	Mfr. Part No. 1.5SMC10CA Mouser Part No 576-1.5SMC10CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 10V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	5,557In Stock	Cut Tape $0.47 $0.462 $0.434 $0.354 $0.321 Reel $0.243 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 170V 5% Uni-Directional 1.5SMC170A Littelfuse 1: $0.561 2,980In Stock	Mfr. Part No. 1.5SMC170A Mouser Part No 576-1.5SMC170A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 170V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	2,980In Stock	Cut Tape $0.561 $0.438 $0.39 $0.299 $0.297 Reel $0.267 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 200V 5% Uni-Directional 1.5SMC200A Littelfuse 1: $1.04 3,745In Stock	Mfr. Part No. 1.5SMC200A Mouser Part No 576-1.5SMC200A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 200V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	3,745In Stock	Cut Tape $1.04 $0.491 $0.427 $0.334 Reel $0.221 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 64Vso 50VAC 49A 5KP64A Littelfuse 1: $3.37 1,098In Stock	Mfr. Part No. 5KP64A Mouser Part No 576-5KP64A	Littelfuse	ESD Protection Diodes / TVS Diodes 64Vso 50VAC 49A Learn More about Littelfuse 5kp tvs diodes	Datasheet	1,098In Stock	Cut Tape $3.37 $1.47 $1.38 $1.28 Reel $1.23	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes 12.8Vso 14.3Vbr P4KE15A Littelfuse 1: $0.57 9,567In Stock	Mfr. Part No. P4KE15A Mouser Part No 576-P4KE15A	Littelfuse	ESD Protection Diodes / TVS Diodes 12.8Vso 14.3Vbr Learn More about Littelfuse tvsdiodes	Datasheet	9,567In Stock	Cut Tape $0.57 $0.257 $0.226 $0.206 View Reel $0.13 $0.199 $0.176 $0.13	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 6.4Vso 7.13Vbr P4KE7.5A Littelfuse 1: $0.57 6,385In Stock	Mfr. Part No. P4KE7.5A Mouser Part No 576-P4KE7.5A	Littelfuse	ESD Protection Diodes / TVS Diodes 6.4Vso 7.13Vbr Learn More about Littelfuse tvsdiodes	Datasheet	6,385In Stock	Cut Tape $0.57 $0.257 $0.226 $0.171 $0.147 Reel $0.131	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 9.4Vr 600W 38A 5% Bi-Directional P6KE11CA Littelfuse 1: $0.64 7,004In Stock	Mfr. Part No. P6KE11CA Mouser Part No 576-P6KE11CA	Littelfuse	ESD Protection Diodes / TVS Diodes 9.4Vr 600W 38A 5% Bi-Directional Learn More about Littelfuse p6ke diodes	Datasheet	7,004In Stock	Cut Tape $0.64 $0.29 $0.254 $0.194 Reel $0.149	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 111Vr 600W 3.3A 5% Bi-Directional P6KE130CA Littelfuse 1: $0.52 5,473In Stock	Mfr. Part No. P6KE130CA Mouser Part No 576-P6KE130CA	Littelfuse	ESD Protection Diodes / TVS Diodes 111Vr 600W 3.3A 5% Bi-Directional Learn More about Littelfuse p6ke diodes	Datasheet	5,473In Stock	Cut Tape $0.52 $0.328 $0.28 $0.216 View Reel $0.17 $0.194 $0.17 $0.17	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes SA7.5A Uni-Directional SA7.5A Littelfuse 1: $0.53 5,346In Stock	Mfr. Part No. SA7.5A Mouser Part No 576-SA7.5A	Littelfuse	ESD Protection Diodes / TVS Diodes SA7.5A Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	5,346In Stock	Cut Tape $0.53 $0.34 $0.287 $0.219 View Reel $0.177 $0.197 $0.177 $0.177	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 400W 90V 5% Bi-Directional SMAJ90CA Littelfuse 1: $0.411 12,444In Stock	Mfr. Part No. SMAJ90CA Mouser Part No 576-SMAJ90CA	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 90V 5% Bi-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	12,444In Stock	Cut Tape $0.411 $0.178 $0.152 $0.126 Reel $0.126 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 600W 36V AEC-Q101 5% Uni-Directional TPSMB36A Littelfuse 1: $0.57 7,666In Stock	Mfr. Part No. TPSMB36A Mouser Part No 576-TPSMB36A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 36V AEC-Q101 5% Uni-Directional Learn More about Littelfuse tpsmb tvs diodes	Datasheet	7,666In Stock	Cut Tape $0.57 $0.322 $0.279 $0.229 $0.227 Reel $0.172 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 16V AEC-Q101 5% Uni-Directional TPSMC16A Littelfuse 1: $0.67 2,840In Stock	Mfr. Part No. TPSMC16A Mouser Part No 576-TPSMC16A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 16V AEC-Q101 5% Uni-Directional Learn More about Littelfuse tpsmc tvs diodes	Datasheet	2,840In Stock	Cut Tape $0.67 $0.518 $0.459 $0.357 $0.352 Reel $0.329 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
MOSFETs TO220 300V 26A N-CH X3CLASS IXFP26N30X3 IXYS 1: $6.59 315In Stock	Mfr. Part No. IXFP26N30X3 Mouser Part No 747-IXFP26N30X3	IXYS	MOSFETs TO220 300V 26A N-CH X3CLASS Learn More about IXYS x3 hiperfet mosfets	Datasheet	315In Stock	$6.59 $3.49 $3.04 $2.92	Min.: 1 Mult.: 1
MOSFETs TO247 650V 12A N-CH X2CLASS IXTH12N65X2 IXYS 1: $7.64 280In Stock	Mfr. Part No. IXTH12N65X2 Mouser Part No 747-IXTH12N65X2	IXYS	MOSFETs TO247 650V 12A N-CH X2CLASS Learn More about IXYS x2 hiperfet mosfets	Datasheet	280In Stock	$7.64 $4.11 $3.55 $3.51 $3.50	Min.: 1 Mult.: 1
Cartridge Fuses FUS 5X20 PGT REELED T1 T LBC 1A/250V (P) 0213001.MRET1P Littelfuse 1: $1.84 962In Stock	Mfr. Part No. 0213001.MRET1P Mouser Part No 576-0213001.MRET1P	Littelfuse	Cartridge Fuses FUS 5X20 PGT REELED T1 T LBC 1A/250V (P) Learn More about Littelfuse 5x20 fuseholders	Datasheet	962In Stock	Cut Tape $1.84 $1.63 $1.55 $1.26 View Reel $0.772 $1.08 $1.03 $0.891 $0.772	Min.: 1 Mult.: 1 : 1,000

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