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HC-STAK Family High-Voltage Interconnection System

TE Connectivity's (TE) HC-STAK Family High-Voltage Interconnection System is purpose-built for the next generation of electric (EV), hybrid (HEV), plug-in hybrid, and fuel-cell vehicles, from passenger cars to high-powered electric trucks. The TE HC-STAK family features a scalable fork-contact design supporting up to 400A of continuous current and 1000V_DC voltage rating. The HC-STAK 25, 25 XE, and 35 variants deliver flexible, compact, and safe connectivity for high-voltage EV drivetrain architectures. When routing power between the battery, inverter, and the e-motor, the HC-STAK family offers superior current handling, electromagnetic interference (EMI) shielding, and vibration resistance. All of this performance comes in a touch-safe, installation-friendly design.

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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.
Automotive Connectors Collet 1-2843125-1 TE Connectivity 1: $0.79 2,000In Stock New Product	Mfr. Part # 1-2843125-1 Mouser Part # 571-1-2843125-1 New Product	TE Connectivity	Automotive Connectors Collet Learn More about TE Connectivity te hc stak 25 xe hv interconnection systems	Datasheet	2,000In Stock	$0.79 $0.672 $0.599 $0.57 View $0.509 $0.485 $0.454	Min.: 1 Mult.: 1
Automotive Connectors Header Inner Housing w/ HVIL 2843102-1 TE Connectivity 1: $25.49 32In Stock New At Mouser	Mfr. Part # 2843102-1 Mouser Part # 571-2843102-1 New At Mouser	TE Connectivity	Automotive Connectors Header Inner Housing w/ HVIL Learn More about TE Connectivity te hc stak 25 xe hv interconnection systems	Datasheet	32In Stock	$25.49 $20.87 $19.57 $18.89	Min.: 1 Mult.: 1
Headers & Wire Housings 2POS,HC-STAK 25,HDR ASSY,BATTERY 3-2343034-1 TE Connectivity 1: $13.47 186In Stock	Mfr. Part # 3-2343034-1 Mouser Part # 571-3-2343034-1	TE Connectivity	Headers & Wire Housings 2POS,HC-STAK 25,HDR ASSY,BATTERY Learn More about TE Connectivity te hc stak 25 hv interconnection systems	Datasheet	186In Stock	$13.47 $12.53 $10.76 $9.96 View $9.08 $8.68 $8.26	Min.: 1 Mult.: 1
Headers & Wire Housings 2POS,HC-STAK 25,HDR OUTER HSG ASSY,COD B 3-2343034-2 TE Connectivity 1: $13.05 17In Stock 96Expected 5/17/2027 New At Mouser	Mfr. Part # 3-2343034-2 Mouser Part # 571-3-2343034-2 New At Mouser	TE Connectivity	Headers & Wire Housings 2POS,HC-STAK 25,HDR OUTER HSG ASSY,COD B Learn More about TE Connectivity te hc stak 25 hv interconnection systems	Datasheet	17In Stock 96Expected 5/17/2027	$13.05 $11.57 $9.52 $9.25 View $8.92 $8.44 $8.06 $7.68	Min.: 1 Mult.: 1
Automotive Connectors Header Outer Housing, Code A 1-2843101-1 TE Connectivity 1: $22.18 168In Stock New Product	Mfr. Part # 1-2843101-1 Mouser Part # 571-1-2843101-1 New Product	TE Connectivity	Automotive Connectors Header Outer Housing, Code A Learn More about TE Connectivity te hc stak 25 xe hv interconnection systems	Datasheet	168In Stock	$22.18 $18.39 $17.24 $16.45 $16.12	Min.: 1 Mult.: 1
Automotive Connectors 2POS,HC-STAK 25,REC OUTER HSG ASSY,PLUG 3-2840900-1 TE Connectivity 1: $21.32 80In Stock New At Mouser	Mfr. Part # 3-2840900-1 Mouser Part # 571-3-2840900-1 New At Mouser	TE Connectivity	Automotive Connectors 2POS,HC-STAK 25,REC OUTER HSG ASSY,PLUG Learn More about TE Connectivity te hc stak 25 hv interconnection systems	Datasheet	80In Stock	$21.32 $18.12 $16.98 $16.18 View $15.40 $14.44 $13.79	Min.: 1 Mult.: 1
Automotive Connectors Cable Seal, 70mm 2385152-1 TE Connectivity 1: $2.14 998In Stock New Product	Mfr. Part # 2385152-1 Mouser Part # 571-2385152-1 New Product	TE Connectivity	Automotive Connectors Cable Seal, 70mm Learn More about TE Connectivity te hc stak 35 hv interconnection systems	Datasheet	998In Stock	$2.14 $1.81 $1.62 $1.54 View $1.44 $1.37 $1.31 $1.28	Min.: 1 Mult.: 1
Automotive Connectors Ferrule, Inner, 70mm 2385150-1 TE Connectivity 1: $1.58 2,500In Stock New At Mouser	Mfr. Part # 2385150-1 Mouser Part # 571-2385150-1 New At Mouser	TE Connectivity	Automotive Connectors Ferrule, Inner, 70mm Learn More about TE Connectivity te hc stak 35 hv interconnection systems	Datasheet	2,500In Stock	$1.58 $1.38 $1.32 $1.24 View $1.12 $1.03 $0.964 $0.888 $0.874	Min.: 1 Mult.: 1
Automotive Connectors Ferrule, Outer, 70mm 2385151-1 TE Connectivity 1: $7.15 600In Stock New At Mouser	Mfr. Part # 2385151-1 Mouser Part # 571-2385151-1 New At Mouser	TE Connectivity	Automotive Connectors Ferrule, Outer, 70mm Learn More about TE Connectivity te hc stak 35 hv interconnection systems	Datasheet	600In Stock	$7.15 $6.07 $5.69 $5.42 View $5.16 $5.04 $4.79	Min.: 1 Mult.: 1
Automotive Connectors Header Assy, Code A 2385514-1 TE Connectivity 1: $53.58 45In Stock New At Mouser	Mfr. Part # 2385514-1 Mouser Part # 571-2385514-1 New At Mouser	TE Connectivity	Automotive Connectors Header Assy, Code A Learn More about TE Connectivity te hc stak 35 hv interconnection systems	Datasheet	45In Stock	$53.58 $44.36 $44.35 $43.78 View $43.01 $41.60 Quote	Min.: 1 Mult.: 1
Automotive Connectors Ferrule Outer 2840450-3 TE Connectivity 1: $2.80 1,300In Stock 6,800Expected 3/1/2027 New At Mouser	Mfr. Part # 2840450-3 Mouser Part # 571-2840450-3 New At Mouser	TE Connectivity	Automotive Connectors Ferrule Outer Learn More about TE Connectivity te hc stak 25 xe hv interconnection systems	Datasheet	1,300In Stock 6,800Expected 3/1/2027	$2.80 $2.38 $2.12 $2.02 View $1.89 $1.80 $1.71 $1.65 $1.63	Min.: 1 Mult.: 1
Automotive Connectors CU ALLOY,INNER FERRULE,HC-STAK 25,SIZE 3 2840451-3 TE Connectivity 1: $4.50 1,700In Stock	Mfr. Part # 2840451-3 Mouser Part # 571-2840451-3	TE Connectivity	Automotive Connectors CU ALLOY,INNER FERRULE,HC-STAK 25,SIZE 3 Learn More about TE Connectivity te hc stak 25 xe hv interconnection systems	Datasheet	1,700In Stock	$4.50 $3.82 $3.41 $3.24 View $3.04 $2.89 $2.77 $2.71 Quote	Min.: 1 Mult.: 1
Automotive Connectors Cover, 70mm 2381178-1 TE Connectivity 1: $1.13 725In Stock New At Mouser	Mfr. Part # 2381178-1 Mouser Part # 571-2381178-1 New At Mouser	TE Connectivity	Automotive Connectors Cover, 70mm Learn More about TE Connectivity te hc stak 35 hv interconnection systems	Datasheet	725In Stock	$1.13 $0.962 $0.858 $0.817 View $0.766 $0.729 $0.671 $0.651	Min.: 1 Mult.: 1
Rectangular Cable Assemblies HEADER INNER HOUSING W/O HVIL 2843102-2 TE Connectivity 1: $24.82 30In Stock New At Mouser	Mfr. Part # 2843102-2 Mouser Part # 571-2843102-2 New At Mouser	TE Connectivity	Rectangular Cable Assemblies HEADER INNER HOUSING W/O HVIL Learn More about TE Connectivity te hc stak 25 xe hv interconnection systems	Datasheet	30In Stock	$24.82 $21.09 $19.43 $18.50 View $17.62 $16.78 $15.98	Min.: 1 Mult.: 1
Automotive Connectors Collet, 70mm 2381326-1 TE Connectivity 1: $0.53 2,700In Stock New At Mouser	Mfr. Part # 2381326-1 Mouser Part # 571-2381326-1 New At Mouser	TE Connectivity	Automotive Connectors Collet, 70mm Learn More about TE Connectivity te hc stak 35 hv interconnection systems	Datasheet	2,700In Stock	$0.53 $0.449 $0.40 $0.381 View $0.34 $0.322 $0.302 $0.291 $0.286	Min.: 1 Mult.: 1
Automotive Connectors Header Assy, Code B 2385514-2 TE Connectivity 1: $53.27 45In Stock	Mfr. Part # 2385514-2 Mouser Part # 571-2385514-2	TE Connectivity	Automotive Connectors Header Assy, Code B Learn More about TE Connectivity te hc stak 35 hv interconnection systems	Datasheet	45In Stock	$53.27 $44.35 $44.34 $43.77 View $43.08 $41.75 Quote	Min.: 1 Mult.: 1
Automotive Connectors PLASTIC BUSHING,FERRULE SLEEVE, SIZE 1 1-2840635-1 TE Connectivity 1: $0.70 9,000In Stock	Mfr. Part # 1-2840635-1 Mouser Part # 571-1-2840635-1	TE Connectivity	Automotive Connectors PLASTIC BUSHING,FERRULE SLEEVE, SIZE 1 Learn More about TE Connectivity te hc stak 25 hv interconnection systems	Datasheet	9,000In Stock	$0.70 $0.61 $0.562 $0.513 View $0.477 $0.45 $0.429 $0.366 $0.348	Min.: 1 Mult.: 1
Automotive Connectors CU ALLOY,INNER FERRULE,HC-STAK 25,SIZE 1 2840451-1 TE Connectivity 1: $2.85 1,700In Stock	Mfr. Part # 2840451-1 Mouser Part # 571-2840451-1	TE Connectivity	Automotive Connectors CU ALLOY,INNER FERRULE,HC-STAK 25,SIZE 1 Learn More about TE Connectivity te hc stak 25 hv interconnection systems	Datasheet	1,700In Stock	$2.85 $2.60 $2.25 $2.21 View $2.11 $2.03 $2.02	Min.: 1 Mult.: 1
Automotive Connectors PLG SUB-ASSY, HC-STAK25 XE-2PXI 090, A 1-2843111-1 TE Connectivity 1: $24.73 60In Stock New At Mouser	Mfr. Part # 1-2843111-1 Mouser Part # 571-1-2843111-1 New At Mouser	TE Connectivity	Automotive Connectors PLG SUB-ASSY, HC-STAK25 XE-2PXI 090, A Learn More about TE Connectivity te hc stak 25 xe hv interconnection systems	Datasheet	60In Stock	$24.73 $21.01 $19.69 $19.03 View $18.55 $18.00	Min.: 1 Mult.: 1
Standoffs & Spacers COVER,SPACER SEAL, PLUG, HC-STAK 25 2329023-1 TE Connectivity 1: $0.93 1,064In Stock	Mfr. Part # 2329023-1 Mouser Part # 571-2329023-1	TE Connectivity	Standoffs & Spacers COVER,SPACER SEAL, PLUG, HC-STAK 25 Learn More about TE Connectivity te hc stak 25 hv interconnection systems	Datasheet	1,064In Stock	$0.93 $0.657 $0.577 $0.568 View $0.508 $0.501 $0.498 Quote	Min.: 1 Mult.: 1
Headers & Wire Housings 2POS,HC-STAK 25,HDR INNER HSG ASSY,BXDU 2359563-1 TE Connectivity 1: $11.41 51In Stock	Mfr. Part # 2359563-1 Mouser Part # 571-2359563-1	TE Connectivity	Headers & Wire Housings 2POS,HC-STAK 25,HDR INNER HSG ASSY,BXDU Learn More about TE Connectivity te hc stak 25 hv interconnection systems	Datasheet	51In Stock	$11.41 $9.69 $9.08 $8.65 View $8.19 $7.72 $7.35 $6.98	Min.: 1 Mult.: 1
Automotive Connectors COLLET,HC-STAK 25,SIZE 1 2840712-1 TE Connectivity 1: $0.88 2,000In Stock	Mfr. Part # 2840712-1 Mouser Part # 571-2840712-1	TE Connectivity	Automotive Connectors COLLET,HC-STAK 25,SIZE 1 Learn More about TE Connectivity te hc stak 25 hv interconnection systems	Datasheet	2,000In Stock	$0.88 $0.76 $0.695 $0.627 View $0.573 $0.475 $0.425 $0.424 $0.423	Min.: 1 Mult.: 1
Automotive Connectors Plug Assy, Code B 2385722-2 TE Connectivity 1: $41.25 27In Stock	Mfr. Part # 2385722-2 Mouser Part # 571-2385722-2	TE Connectivity	Automotive Connectors Plug Assy, Code B Learn More about TE Connectivity te hc stak 35 hv interconnection systems	Datasheet	27In Stock	$41.25 $35.66 $33.94 $33.62 View $32.98 $31.97 Quote	Min.: 1 Mult.: 1
Automotive Connectors SPACER,SEAL HC-STAK 25-2PHI, PLUG 2356586-1 TE Connectivity 1: $3.72 544In Stock New At Mouser	Mfr. Part # 2356586-1 Mouser Part # 571-2356586-1 New At Mouser	TE Connectivity	Automotive Connectors SPACER,SEAL HC-STAK 25-2PHI, PLUG Learn More about TE Connectivity te hc stak 25 hv interconnection systems	Datasheet	544In Stock	$3.72 $3.42 $3.24 $2.57 View $2.41 $2.34 $2.30	Min.: 1 Mult.: 1
Terminals HC-STAK 35,TERMINAL 2840535-1 TE Connectivity 1: $6.15 252In Stock	Mfr. Part # 2840535-1 Mouser Part # 571-2840535-1	TE Connectivity	Terminals HC-STAK 35,TERMINAL Learn More about TE Connectivity te hc stak 35 hv interconnection systems	Datasheet	252In Stock	$6.15 $5.22 $4.90 $4.66 View $4.44 $4.16 $3.96 $3.77 $3.54	Min.: 1 Mult.: 1