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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 (CHF) Filter the results in the table by unit price based on your quantity.	Qty.
Automotive Connectors Collet 1-2843125-1 TE Connectivity 1: CHF 0.636 2’000In Stock New Product	Mfr. Part No. 1-2843125-1 Mouser Part No 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	CHF 0.636 CHF 0.541 CHF 0.482 CHF 0.459 View CHF 0.41 CHF 0.39 CHF 0.365	Min.: 1 Mult.: 1
Automotive Connectors Header Inner Housing w/ HVIL 2843102-1 TE Connectivity 1: CHF 20.52 32In Stock New At Mouser	Mfr. Part No. 2843102-1 Mouser Part No 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	CHF 20.52 CHF 16.80 CHF 15.75 CHF 15.21	Min.: 1 Mult.: 1
Headers & Wire Housings 2POS,HC-STAK 25,HDR ASSY,BATTERY 3-2343034-1 TE Connectivity 1: CHF 10.84 186In Stock	Mfr. Part No. 3-2343034-1 Mouser Part No 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	CHF 10.84 CHF 10.09 CHF 8.66 CHF 8.02 View CHF 7.31 CHF 6.98 CHF 6.65	Min.: 1 Mult.: 1
Headers & Wire Housings 2POS,HC-STAK 25,HDR OUTER HSG ASSY,COD B 3-2343034-2 TE Connectivity 1: CHF 10.50 17In Stock 96Expected 5/17/2027 New At Mouser	Mfr. Part No. 3-2343034-2 Mouser Part No 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	CHF 10.50 CHF 9.31 CHF 7.67 CHF 7.45 View CHF 7.18 CHF 6.80 CHF 6.49 CHF 6.18	Min.: 1 Mult.: 1
Automotive Connectors Header Outer Housing, Code A 1-2843101-1 TE Connectivity 1: CHF 17.85 168In Stock New Product	Mfr. Part No. 1-2843101-1 Mouser Part No 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	CHF 17.85 CHF 14.81 CHF 13.88 CHF 13.24 CHF 12.97	Min.: 1 Mult.: 1
Automotive Connectors 2POS,HC-STAK 25,REC OUTER HSG ASSY,PLUG 3-2840900-1 TE Connectivity 1: CHF 17.17 80In Stock New At Mouser	Mfr. Part No. 3-2840900-1 Mouser Part No 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	CHF 17.17 CHF 14.58 CHF 13.67 CHF 13.02 View CHF 12.39 CHF 11.63 CHF 11.10	Min.: 1 Mult.: 1
Automotive Connectors Cable Seal, 70mm 2385152-1 TE Connectivity 1: CHF 1.72 998In Stock New Product	Mfr. Part No. 2385152-1 Mouser Part No 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	CHF 1.72 CHF 1.46 CHF 1.30 CHF 1.24 View CHF 1.16 CHF 1.10 CHF 1.06 CHF 1.03	Min.: 1 Mult.: 1
Automotive Connectors Ferrule, Inner, 70mm 2385150-1 TE Connectivity 1: CHF 1.27 2’500In Stock New At Mouser	Mfr. Part No. 2385150-1 Mouser Part No 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	CHF 1.27 CHF 1.11 CHF 1.07 CHF 1.00 View CHF 0.901 CHF 0.829 CHF 0.776 CHF 0.715 CHF 0.704	Min.: 1 Mult.: 1
Automotive Connectors Ferrule, Outer, 70mm 2385151-1 TE Connectivity 1: CHF 5.76 600In Stock New At Mouser	Mfr. Part No. 2385151-1 Mouser Part No 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	CHF 5.76 CHF 4.89 CHF 4.58 CHF 4.36 View CHF 4.16 CHF 4.05 CHF 3.86	Min.: 1 Mult.: 1
Automotive Connectors Header Assy, Code A 2385514-1 TE Connectivity 1: CHF 43.13 45In Stock New At Mouser	Mfr. Part No. 2385514-1 Mouser Part No 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	CHF 43.13 CHF 35.71 CHF 35.70 CHF 35.24 View CHF 34.62 CHF 33.49 Quote	Min.: 1 Mult.: 1
Automotive Connectors Ferrule Outer 2840450-3 TE Connectivity 1: CHF 2.26 1’300In Stock 6’800Expected 3/1/2027 New At Mouser	Mfr. Part No. 2840450-3 Mouser Part No 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	CHF 2.26 CHF 1.92 CHF 1.70 CHF 1.63 View CHF 1.53 CHF 1.45 CHF 1.38 CHF 1.33 CHF 1.31	Min.: 1 Mult.: 1
Automotive Connectors CU ALLOY,INNER FERRULE,HC-STAK 25,SIZE 3 2840451-3 TE Connectivity 1: CHF 3.62 1’700In Stock	Mfr. Part No. 2840451-3 Mouser Part No 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	CHF 3.62 CHF 3.08 CHF 2.74 CHF 2.61 View CHF 2.44 CHF 2.33 CHF 2.23 CHF 2.18 CHF 2.17	Min.: 1 Mult.: 1
Automotive Connectors Cover, 70mm 2381178-1 TE Connectivity 1: CHF 0.91 725In Stock New At Mouser	Mfr. Part No. 2381178-1 Mouser Part No 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	CHF 0.91 CHF 0.774 CHF 0.691 CHF 0.658 View CHF 0.617 CHF 0.587 CHF 0.54 CHF 0.524	Min.: 1 Mult.: 1
Rectangular Cable Assemblies HEADER INNER HOUSING W/O HVIL 2843102-2 TE Connectivity 1: CHF 19.98 30In Stock New At Mouser	Mfr. Part No. 2843102-2 Mouser Part No 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	CHF 19.98 CHF 16.98 CHF 15.64 CHF 14.89 View CHF 14.18 CHF 13.51 CHF 12.98	Min.: 1 Mult.: 1
Automotive Connectors Collet, 70mm 2381326-1 TE Connectivity 1: CHF 0.427 2’700In Stock New At Mouser	Mfr. Part No. 2381326-1 Mouser Part No 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	CHF 0.427 CHF 0.361 CHF 0.322 CHF 0.307 View CHF 0.273 CHF 0.259 CHF 0.243 CHF 0.234 CHF 0.23	Min.: 1 Mult.: 1
Automotive Connectors Header Assy, Code B 2385514-2 TE Connectivity 1: CHF 42.88 45In Stock	Mfr. Part No. 2385514-2 Mouser Part No 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	CHF 42.88 CHF 35.70 CHF 35.69 CHF 35.23 View CHF 34.68 CHF 33.61 Quote	Min.: 1 Mult.: 1
Automotive Connectors PLASTIC BUSHING,FERRULE SLEEVE, SIZE 1 1-2840635-1 TE Connectivity 1: CHF 0.563 9’000In Stock	Mfr. Part No. 1-2840635-1 Mouser Part No 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	CHF 0.563 CHF 0.491 CHF 0.452 CHF 0.413 View CHF 0.384 CHF 0.362 CHF 0.345 CHF 0.295 CHF 0.28	Min.: 1 Mult.: 1
Automotive Connectors CU ALLOY,INNER FERRULE,HC-STAK 25,SIZE 1 2840451-1 TE Connectivity 1: CHF 2.29 1’700In Stock	Mfr. Part No. 2840451-1 Mouser Part No 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	CHF 2.29 CHF 2.10 CHF 1.82 CHF 1.78 View CHF 1.69 CHF 1.64 CHF 1.63	Min.: 1 Mult.: 1
Automotive Connectors PLG SUB-ASSY, HC-STAK25 XE-2PXI 090, A 1-2843111-1 TE Connectivity 1: CHF 19.91 60In Stock New At Mouser	Mfr. Part No. 1-2843111-1 Mouser Part No 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	CHF 19.91 CHF 16.91 CHF 15.85 CHF 15.32 View CHF 14.93 CHF 14.49	Min.: 1 Mult.: 1
Standoffs & Spacers COVER,SPACER SEAL, PLUG, HC-STAK 25 2329023-1 TE Connectivity 1: CHF 0.749 1’064In Stock	Mfr. Part No. 2329023-1 Mouser Part No 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	CHF 0.749 CHF 0.529 CHF 0.464 CHF 0.457 View CHF 0.409 CHF 0.403 CHF 0.401 CHF 0.40	Min.: 1 Mult.: 1
Headers & Wire Housings 2POS,HC-STAK 25,HDR INNER HSG ASSY,BXDU 2359563-1 TE Connectivity 1: CHF 9.18 51In Stock	Mfr. Part No. 2359563-1 Mouser Part No 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	CHF 9.18 CHF 7.80 CHF 7.31 CHF 6.96 View CHF 6.59 CHF 6.22 CHF 5.92 CHF 5.62	Min.: 1 Mult.: 1
Automotive Connectors COLLET,HC-STAK 25,SIZE 1 2840712-1 TE Connectivity 1: CHF 0.709 2’000In Stock	Mfr. Part No. 2840712-1 Mouser Part No 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	CHF 0.709 CHF 0.612 CHF 0.56 CHF 0.505 View CHF 0.461 CHF 0.383 CHF 0.343 CHF 0.342 CHF 0.341	Min.: 1 Mult.: 1
Automotive Connectors Plug Assy, Code B 2385722-2 TE Connectivity 1: CHF 33.21 27In Stock	Mfr. Part No. 2385722-2 Mouser Part No 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	CHF 33.21 CHF 28.71 CHF 27.32 CHF 27.06 View CHF 26.54 CHF 25.73 Quote	Min.: 1 Mult.: 1
Automotive Connectors SPACER,SEAL HC-STAK 25-2PHI, PLUG 2356586-1 TE Connectivity 1: CHF 3.00 544In Stock New At Mouser	Mfr. Part No. 2356586-1 Mouser Part No 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	CHF 3.00 CHF 2.75 CHF 2.61 CHF 2.07 View CHF 1.94 CHF 1.88 CHF 1.85	Min.: 1 Mult.: 1
Terminals HC-STAK 35,TERMINAL 2840535-1 TE Connectivity 1: CHF 4.95 252In Stock	Mfr. Part No. 2840535-1 Mouser Part No 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	CHF 4.95 CHF 4.20 CHF 3.94 CHF 3.75 View CHF 3.58 CHF 3.35 CHF 3.19 CHF 3.03 CHF 2.85	Min.: 1 Mult.: 1