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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 Cable Seal, 70mm 2385152-1 TE Connectivity 1: $2.27 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	$2.27 $1.98 $1.90 $1.77 View $1.60 $1.48 $1.31 $1.30	Min.: 1 Mult.: 1
Automotive Connectors Collet 1-2843125-1 TE Connectivity 1: $0.91 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	$0.91 $0.789 $0.721 $0.651 View $0.594 $0.495 $0.454	Min.: 1 Mult.: 1
Rectangular Cable Assemblies HEADER INNER HOUSING W/O HVIL 2843102-2 TE Connectivity 1: $25.32 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	$25.32 $21.52 $20.14 $18.50 View $17.62 $16.78 $15.98	Min.: 1 Mult.: 1
Automotive Connectors Cover, 70mm 2381178-1 TE Connectivity 1: $1.22 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	$1.22 $1.03 $0.985 $0.922 View $0.838 $0.755 $0.671 $0.651	Min.: 1 Mult.: 1
Automotive Connectors Collet, 70mm 2381326-1 TE Connectivity 1: $0.59 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	$0.59 $0.507 $0.464 $0.419 View $0.382 $0.322 $0.301	Min.: 1 Mult.: 1
Automotive Connectors Header Inner Housing w/ HVIL 2843102-1 TE Connectivity 1: $24.21 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	$24.21 $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 188In 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	188In Stock	$13.47 $12.53 $10.76 $9.96 View $9.08 $8.68 $8.26	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 $18.85 $17.67 $16.83 View $16.78 $16.28	Min.: 1 Mult.: 1
Automotive Connectors TAB CONTACT, HC-STAK25 XE-2PHI 2843127-1 TE Connectivity 1: $3.28 190In Stock 270Expected 11/4/2026 New At Mouser	Mfr. Part # 2843127-1 Mouser Part # 571-2843127-1 New At Mouser	TE Connectivity	Automotive Connectors TAB CONTACT, HC-STAK25 XE-2PHI Learn More about TE Connectivity te hc stak 25 xe hv interconnection systems	Datasheet	190In Stock 270Expected 11/4/2026	$3.28 $2.99 $2.83 $2.63 View $2.13 $2.00 $1.99 $1.92 $1.85	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 5/3/2027 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 5/3/2027	$13.05 $11.57 $9.52 $9.25 View $8.92 $8.44 $8.06 $7.68	Min.: 1 Mult.: 1
Automotive Connectors FERRULE SLEEVE, HC-STAK25 XE, 2843129-1 TE Connectivity 1: $0.49 3,000In Stock New At Mouser	Mfr. Part # 2843129-1 Mouser Part # 571-2843129-1 New At Mouser	TE Connectivity	Automotive Connectors FERRULE SLEEVE, HC-STAK25 XE, Learn More about TE Connectivity te hc stak 25 xe hv interconnection systems	Datasheet	3,000In Stock	$0.49 $0.415 $0.364 $0.322 View $0.289 $0.246 $0.231 $0.219 $0.215	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 Header Assy, Code A 2385514-1 TE Connectivity 1: $55.81 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	$55.81 $47.43 $45.24 $43.78 View $42.79 $41.13 Quote	Min.: 1 Mult.: 1
Automotive Connectors Ferrule Outer 2840450-3 TE Connectivity 1: $2.82 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	$2.82 $2.57 $2.43 $2.26 View $1.98 $1.92 $1.72	Min.: 1 Mult.: 1
Automotive Connectors CU ALLOY,INNER FERRULE,HC-STAK 25,SIZE 3 2840451-3 TE Connectivity 1: $4.73 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	$4.73 $4.30 $4.08 $3.79 View $3.32 $3.22 $2.95 $2.70 Quote	Min.: 1 Mult.: 1
Automotive Connectors Header Assy, Code B 2385514-2 TE Connectivity 1: $55.80 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	$55.80 $47.42 $45.23 $43.77 View $43.00 $41.58 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: $25.67 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	$25.67 $23.10 $20.45 $19.48 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 A tariff of 20% may be applied if shipping to the United States. 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 A tariff of 20% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Automotive Connectors Plug Assy, Code B 2385722-2 TE Connectivity 1: $42.80 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	$42.80 $36.38 $34.63 $33.60 View $32.92 $31.84 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