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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: $1.18 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	$1.18 $1.03 $0.937 $0.846 View $0.772 $0.644 $0.59	Min.: 1 Mult.: 1
Rectangular Cable Assemblies HEADER INNER HOUSING W/O HVIL 2843102-2 TE Connectivity 1: $32.92 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	$32.92 $27.98 $26.18 $24.05 View $22.91 $21.81 $20.77	Min.: 1 Mult.: 1
Automotive Connectors Cover, 70mm 2381178-1 TE Connectivity 1: $1.59 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	$1.59 $1.34 $1.28 $1.20 View $1.09 $0.982 $0.872 $0.846	Min.: 1 Mult.: 1
Automotive Connectors Header Inner Housing w/ HVIL 2843102-1 TE Connectivity 1: $31.47 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	$31.47 $27.13 $25.44 $24.56	Min.: 1 Mult.: 1
Headers & Wire Housings 2POS,HC-STAK 25,HDR ASSY,BATTERY 3-2343034-1 TE Connectivity 1: $17.51 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	$17.51 $16.29 $13.99 $12.96 View $11.82 $11.28 $10.74	Min.: 1 Mult.: 1
Automotive Connectors Header Outer Housing, Code A 1-2843101-1 TE Connectivity 1: $28.83 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	$28.83 $24.51 $22.97 $21.88 View $21.81 $21.16	Min.: 1 Mult.: 1
Headers & Wire Housings 2POS,HC-STAK 25,HDR OUTER HSG ASSY,COD B 3-2343034-2 TE Connectivity 1: $16.97 17In Stock 96Expected 5/10/2027 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 5/10/2027	$16.97 $15.04 $12.38 $12.03 View $11.60 $10.97 $10.48 $9.98	Min.: 1 Mult.: 1
Automotive Connectors 2POS,HC-STAK 25,REC OUTER HSG ASSY,PLUG 3-2840900-1 TE Connectivity 1: $27.72 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	$27.72 $23.56 $22.07 $21.03 View $20.02 $18.77 $17.93	Min.: 1 Mult.: 1
Automotive Connectors Cable Seal, 70mm 2385152-1 TE Connectivity 1: $2.95 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	$2.95 $2.57 $2.47 $2.30 View $2.08 $1.92 $1.70 $1.69	Min.: 1 Mult.: 1
Automotive Connectors Header Assy, Code A 2385514-1 TE Connectivity 1: $72.55 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	$72.55 $61.66 $58.81 $56.91 View $55.63 $53.47 Quote	Min.: 1 Mult.: 1
Automotive Connectors Ferrule Outer 2840450-3 TE Connectivity 1: $3.67 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	$3.67 $3.34 $3.16 $2.94 View $2.57 $2.50 $2.24	Min.: 1 Mult.: 1
Automotive Connectors CU ALLOY,INNER FERRULE,HC-STAK 25,SIZE 3 2840451-3 TE Connectivity 1: $6.15 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	$6.15 $5.59 $5.30 $4.93 View $4.32 $4.19 $3.84 $3.51 Quote	Min.: 1 Mult.: 1
Automotive Connectors Collet, 70mm 2381326-1 TE Connectivity 1: $0.767 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	$0.767 $0.659 $0.603 $0.545 View $0.497 $0.419 $0.391	Min.: 1 Mult.: 1
Automotive Connectors Header Assy, Code B 2385514-2 TE Connectivity 1: $72.54 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	$72.54 $61.65 $58.80 $56.90 View $55.90 $54.05 Quote	Min.: 1 Mult.: 1
Automotive Connectors PLASTIC BUSHING,FERRULE SLEEVE, SIZE 1 1-2840635-1 TE Connectivity 1: $0.91 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	$0.91 $0.793 $0.731 $0.667 View $0.62 $0.585 $0.558 $0.476 $0.452	Min.: 1 Mult.: 1
Automotive Connectors CU ALLOY,INNER FERRULE,HC-STAK 25,SIZE 1 2840451-1 TE Connectivity 1: $3.71 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	$3.71 $3.38 $2.93 $2.87 View $2.74 $2.64 $2.63	Min.: 1 Mult.: 1
Automotive Connectors PLG SUB-ASSY, HC-STAK25 XE-2PXI 090, A 1-2843111-1 TE Connectivity 1: $33.37 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	$33.37 $30.03 $26.59 $25.32 View $24.12 $23.40	Min.: 1 Mult.: 1
Standoffs & Spacers COVER,SPACER SEAL, PLUG, HC-STAK 25 2329023-1 TE Connectivity 1: $1.21 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	$1.21 $0.854 $0.75 $0.738 View $0.66 $0.651 $0.647 Quote	Min.: 1 Mult.: 1
Headers & Wire Housings 2POS,HC-STAK 25,HDR INNER HSG ASSY,BXDU 2359563-1 TE Connectivity 1: $14.83 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	$14.83 $12.60 $11.80 $11.25 View $10.65 $10.04 $9.56 $9.07	Min.: 1 Mult.: 1
Automotive Connectors COLLET,HC-STAK 25,SIZE 1 2840712-1 TE Connectivity 1: $1.14 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	$1.14 $0.988 $0.904 $0.815 View $0.745 $0.618 $0.553 $0.551 $0.55	Min.: 1 Mult.: 1
Automotive Connectors Plug Assy, Code B 2385722-2 TE Connectivity 1: $55.64 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	$55.64 $47.29 $45.02 $43.68 View $42.80 $41.39 Quote	Min.: 1 Mult.: 1
Automotive Connectors SPACER,SEAL HC-STAK 25-2PHI, PLUG 2356586-1 TE Connectivity 1: $4.84 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	$4.84 $4.45 $4.21 $3.34 View $3.13 $3.04 $2.99	Min.: 1 Mult.: 1
Terminals HC-STAK 35,TERMINAL 2840535-1 TE Connectivity 1: $8.00 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	$8.00 $6.79 $6.37 $6.06 View $5.77 $5.41 $5.15 $4.90 $4.60	Min.: 1 Mult.: 1
Automotive Connectors TAB CONTACT, HC-STAK25 XE-2PHI 2843127-1 TE Connectivity 1: $4.26 190In Stock 270Expected 11/16/2026 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 11/16/2026	$4.26 $3.89 $3.68 $3.42 View $2.77 $2.60 $2.59 $2.50 $2.41	Min.: 1 Mult.: 1
Automotive Connectors CABLE SEAL, HC-STAK25 XE, 70 2843128-1 TE Connectivity 1: $1.43 1,500In Stock New At Mouser	Mfr. Part # 2843128-1 Mouser Part # 571-2843128-1 New At Mouser	TE Connectivity	Automotive Connectors CABLE SEAL, HC-STAK25 XE, 70 Learn More about TE Connectivity te hc stak 25 xe hv interconnection systems	Datasheet	1,500In Stock	$1.43 $1.21 $1.08 $1.03 View $0.963 $0.918 $0.841 $0.819	Min.: 1 Mult.: 1