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AT Series™ Connectors

Amphenol Sine Systems AT Series™ connectors are a high-performance, thermoplastic, cost-effective solution with superior environmental seals and seal retention capabilities with IP68 and IP69K ratings (in mated condition). The connector design incorporates an integrated latching system with over-sized detents that ensure a definitive electrical and mechanical connection. All AT Series connectors offer a wide range of end caps and strain relief options and have been developed to be comparable with all other existing standard products industry-wide. The connectors are available in BoardLock™, HYPERBUSS™, LED, PanelMate™, and StructurePlus™ options.

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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 Seal Cap for AT Series 3 Position Receptacles, Black AT3P-RSC-BLK Amphenol SINE Systems 1: $1.39 1,143In Stock 800Expected 11/5/2026 New Product	Mfr. Part # AT3P-RSC-BLK Mouser Part # 654-AT3P-RSC-BLK New Product	Amphenol SINE Systems	Automotive Connectors Seal Cap for AT Series 3 Position Receptacles, Black Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	1,143In Stock 800Expected 11/5/2026	$1.39 $1.22 $1.16 $1.09 View $0.979 $0.902 $0.809 $0.689	Min.: 1 Mult.: 1
Automotive Connectors 4 POSITION BACKSHELL ATBS-235-0405 Amphenol SINE Systems 1: $1.68 1,720In Stock	Mfr. Part # ATBS-235-0405 Mouser Part # 654-ATBS-235-0405	Amphenol SINE Systems	Automotive Connectors 4 POSITION BACKSHELL Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	1,720In Stock	$1.68 $1.43 $1.28 $1.22 View $1.10 $1.03 $0.966 $0.948 $0.932	Min.: 1 Mult.: 1
Automotive Connectors STAMPED FEM CONTACT 18-20 AWG, AU PLATE AT62-16-0644 Amphenol SINE Systems 1: $1.02 235,444In Stock	Mfr. Part # AT62-16-0644 Mouser Part # 654-AT62-16-0644	Amphenol SINE Systems	Automotive Connectors STAMPED FEM CONTACT 18-20 AWG, AU PLATE Learn More about Amphenol SINE Systems amphenol sine aseries contacts	Datasheet	235,444In Stock	Cut Tape $1.02 $0.624 $0.60 $0.483 Reel $0.483	Min.: 1 Mult.: 1 : 16,000
Automotive Connectors 12P RECEP W/ SEAL KEY POSITION D AT04-12PD-RD01 Amphenol SINE Systems 1: $5.40 657In Stock	Mfr. Part # AT04-12PD-RD01 Mouser Part # 654-AT04-12PD-RD01	Amphenol SINE Systems	Automotive Connectors 12P RECEP W/ SEAL KEY POSITION D Learn More about Amphenol SINE Systems amphenolsine aseries	Datasheet	657In Stock	$5.40 $4.59 $4.31 $4.10 View $3.69 $3.51 $3.42 $3.18 $3.08	Min.: 1 Mult.: 1
Automotive Connectors STAMPED MALE CONTACT 14-16 AWG, AU PLATE AT60-14-0144 Amphenol SINE Systems 1: $0.56 11,007In Stock	Mfr. Part # AT60-14-0144 Mouser Part # 654-AT60-14-0144	Amphenol SINE Systems	Automotive Connectors STAMPED MALE CONTACT 14-16 AWG, AU PLATE Learn More about Amphenol SINE Systems amphenol sine aseries contacts	Datasheet	11,007In Stock	Cut Tape $0.56 $0.478 $0.428 $0.401 View Reel $0.318 $0.366 $0.336 $0.318 $0.318	Min.: 1 Mult.: 1 : 16,000
Automotive Connectors 6 Pin Recept. BLK AT04-6P-BLK Amphenol SINE Systems 1: $1.54 4,760In Stock	Mfr. Part # AT04-6P-BLK Mouser Part # 654-AT04-6P-BLK	Amphenol SINE Systems	Automotive Connectors 6 Pin Recept. BLK Learn More about Amphenol SINE Systems amphenolsine aseries	Datasheet	4,760In Stock	$1.54 $1.38 $1.27 $1.22 View $1.14 $1.08 $1.03 $1.00	Min.: 1 Mult.: 1
Automotive Connectors 12P PLUG W/ SEAL KEY POSITION D AT06-12SD-RD01 Amphenol SINE Systems 1: $4.70 1,231In Stock	Mfr. Part # AT06-12SD-RD01 Mouser Part # 654-AT06-12SD-RD01	Amphenol SINE Systems	Automotive Connectors 12P PLUG W/ SEAL KEY POSITION D Learn More about Amphenol SINE Systems amphenolsine aseries	Datasheet	1,231In Stock	$4.70 $4.24 $4.03 $3.90 View $3.74 $3.34 $3.27 $2.96 $2.92	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Receptac Cap, Keyed D, Black AT16-18PD-SR02 Amphenol SINE Systems 1: $6.18 301In Stock	Mfr. Part # AT16-18PD-SR02 Mouser Part # 654-AT16-18PD-SR02	Amphenol SINE Systems	Automotive Connectors 18 Position Receptac Cap, Keyed D, Black Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	301In Stock	$6.18 $5.49 $5.22 $5.09 View $5.08 $4.80 $4.79 $4.77	Min.: 1 Mult.: 1
Automotive Connectors AT Rec Enhanced A 12 Way Red. Dia End Cap AT04-12PA-MM01 Amphenol SINE Systems 1: $3.44 1,922In Stock	Mfr. Part # AT04-12PA-MM01 Mouser Part # 654-AT04-12PA-MM01	Amphenol SINE Systems	Automotive Connectors AT Rec Enhanced A 12 Way Red. Dia End Cap Learn More about Amphenol SINE Systems amphenolsine aseries	Datasheet	1,922In Stock	$3.44 $2.90 $2.62 $2.60 View $2.21 $1.91 $1.85	Min.: 1 Mult.: 1
Automotive Connectors 3 POS CONN POS ASSURANCE CLIP AT-3CPA-GRN Amphenol SINE Systems 1: $0.41 5,102In Stock	Mfr. Part # AT-3CPA-GRN Mouser Part # 654-AT-3CPA-GRN	Amphenol SINE Systems	Automotive Connectors 3 POS CONN POS ASSURANCE CLIP Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	5,102In Stock	$0.41 $0.345 $0.324 $0.318 View $0.296 $0.285 $0.263 $0.262	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT04-6P-BRN Amphenol SINE Systems 1: $2.03 1,028In Stock	Mfr. Part # AT04-6P-BRN Mouser Part # 654-AT04-6P-BRN	Amphenol SINE Systems	Automotive Connectors A SERIES-AT-CONNECTORS Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	1,028In Stock	$2.03 $1.85 $1.74 $1.66 View $1.45 $1.31 $1.21 $1.20	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT06-4S-BRN Amphenol SINE Systems 1: $1.82 1,807In Stock	Mfr. Part # AT06-4S-BRN Mouser Part # 654-AT06-4S-BRN	Amphenol SINE Systems	Automotive Connectors A SERIES-AT-CONNECTORS Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	1,807In Stock	$1.82 $1.57 $1.40 $1.31 View $1.17 $1.06 $1.00 $0.983	Min.: 1 Mult.: 1
Automotive Connectors ATP Series 2 Way Blk Recept w/End Cap ATP04-2P-EC01 Amphenol SINE Systems 1: $3.54 457In Stock	Mfr. Part # ATP04-2P-EC01 Mouser Part # 654-ATP04-2P-EC01	Amphenol SINE Systems	Automotive Connectors ATP Series 2 Way Blk Recept w/End Cap Learn More about Amphenol SINE Systems amphenol sine atp connectors	Datasheet	457In Stock	$3.54 $3.33 $3.23 $2.93 View $2.78 $2.77	Min.: 1 Mult.: 1
Automotive Connectors 4 Pin Overmold Plug Socket, BROWN AT06-4S-OMBRN Amphenol SINE Systems 1: $2.62 450In Stock	Mfr. Part # AT06-4S-OMBRN Mouser Part # 654-AT06-4S-OMBRN	Amphenol SINE Systems	Automotive Connectors 4 Pin Overmold Plug Socket, BROWN Learn More about Amphenol SINE Systems amphenol sine at omc connectors	Datasheet	450In Stock	$2.62 $2.23 $1.99 $1.90 View $1.78 $1.40 $1.34 $1.25	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT04-4P-BRN Amphenol SINE Systems 1: $1.45 1,200In Stock	Mfr. Part # AT04-4P-BRN Mouser Part # 654-AT04-4P-BRN	Amphenol SINE Systems	Automotive Connectors A SERIES-AT-CONNECTORS Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	1,200In Stock	$1.45 $1.30 $1.23 $1.18 View $1.10 $1.01 $0.918 $0.885	Min.: 1 Mult.: 1
Automotive Connectors 2 Pin Plug AT06-2S-YEL Amphenol SINE Systems 1: $0.87 1,834In Stock	Mfr. Part # AT06-2S-YEL Mouser Part # 654-AT06-2S-YEL	Amphenol SINE Systems	Automotive Connectors 2 Pin Plug Learn More about Amphenol SINE Systems amphenolsine aseries	Datasheet	1,834In Stock	$0.87 $0.783 $0.72 $0.672 View $0.646 $0.57 $0.568 $0.562	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT06-4S-YEL Amphenol SINE Systems 1: $1.54 1,022In Stock	Mfr. Part # AT06-4S-YEL Mouser Part # 654-AT06-4S-YEL	Amphenol SINE Systems	Automotive Connectors A SERIES-AT-CONNECTORS Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	1,022In Stock	$1.54 $1.37 $1.28 $1.22 View $1.14 $1.07 $1.00 $0.952 $0.937	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT06-6S-YEL Amphenol SINE Systems 1: $2.04 869In Stock	Mfr. Part # AT06-6S-YEL Mouser Part # 654-AT06-6S-YEL	Amphenol SINE Systems	Automotive Connectors A SERIES-AT-CONNECTORS Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	869In Stock	$2.04 $1.74 $1.55 $1.48 View $1.43 $1.34 $1.21 $1.08 $1.06	Min.: 1 Mult.: 1
Automotive Connectors 4 Pin Overmold Plug Socket, GREEN AT06-4S-OMGRN Amphenol SINE Systems 1: $1.86 959In Stock	Mfr. Part # AT06-4S-OMGRN Mouser Part # 654-AT06-4S-OMGRN	Amphenol SINE Systems	Automotive Connectors 4 Pin Overmold Plug Socket, GREEN Learn More about Amphenol SINE Systems amphenol sine at omc connectors	Datasheet	959In Stock	$1.86 $1.70 $1.57 $1.51 View $1.45 $1.30 $1.28 $1.27	Min.: 1 Mult.: 1
Automotive Connectors 4 Pin Overmold Plug Socket, YELLOW AT06-4S-OMYEL Amphenol SINE Systems 1: $2.30 571In Stock	Mfr. Part # AT06-4S-OMYEL Mouser Part # 654-AT06-4S-OMYEL	Amphenol SINE Systems	Automotive Connectors 4 Pin Overmold Plug Socket, YELLOW Learn More about Amphenol SINE Systems amphenol sine at omc connectors	Datasheet	571In Stock	$2.30 $1.96 $1.75 $1.63 View $1.55 $1.35 $1.31 $1.30	Min.: 1 Mult.: 1
Automotive Connectors PLUG, 2 SOCKET OVER-MOLDING, GREY AT06-2S-OMGRY Amphenol SINE Systems 1: $1.36 918In Stock 1,000Expected 1/20/2027	Mfr. Part # AT06-2S-OMGRY Mouser Part # 654-AT06-2S-OMGRY	Amphenol SINE Systems	Automotive Connectors PLUG, 2 SOCKET OVER-MOLDING, GREY Learn More about Amphenol SINE Systems amphenol sine at omc connectors	Datasheet	918In Stock 1,000Expected 1/20/2027	$1.36 $1.25 $1.17 $1.14 View $1.08 $1.03 $1.01 $0.957 $0.943	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT04-4P-RED Amphenol SINE Systems 1: $1.46 1,208In Stock	Mfr. Part # AT04-4P-RED Mouser Part # 654-AT04-4P-RED	Amphenol SINE Systems	Automotive Connectors A SERIES-AT-CONNECTORS Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	1,208In Stock	$1.46 $1.31 $1.24 $1.18 View $1.08 $1.03 $0.908 $0.855 $0.835	Min.: 1 Mult.: 1
Automotive Connectors Seal Cap for AT Series 12 Position Receptacles, Black AT12P-RSC-BLK Amphenol SINE Systems 1: $1.80 440In Stock New Product	Mfr. Part # AT12P-RSC-BLK Mouser Part # 654-AT12P-RSC-BLK New Product	Amphenol SINE Systems	Automotive Connectors Seal Cap for AT Series 12 Position Receptacles, Black Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	440In Stock	$1.80 $1.54 $1.37 $1.31 View $1.19 $1.18 $1.09 $1.02	Min.: 1 Mult.: 1
Automotive Connectors Seal Cap for AT Series 12 Position Receptacles, Red AT12P-RSC-RED Amphenol SINE Systems 1: $1.80 390In Stock New Product	Mfr. Part # AT12P-RSC-RED Mouser Part # 654-AT12P-RSC-RED New Product	Amphenol SINE Systems	Automotive Connectors Seal Cap for AT Series 12 Position Receptacles, Red Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	390In Stock	$1.80 $1.54 $1.37 $1.31 View $1.19 $1.12 $1.09 $1.02	Min.: 1 Mult.: 1
Automotive Connectors Seal Cap for AT Series 6 Position Receptacles, Black AT6P-RSC-BLK Amphenol SINE Systems 1: $1.45 818In Stock 4,800On Order New Product	Mfr. Part # AT6P-RSC-BLK Mouser Part # 654-AT6P-RSC-BLK New Product	Amphenol SINE Systems	Automotive Connectors Seal Cap for AT Series 6 Position Receptacles, Black Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	818In Stock 4,800On Order On Order Ship Dates Mfr. #: AT6P-RSC-BLK Stock: 818 Can Ship Immediately On Order: 3,200 Expected 1/19/2027 1,600 Expected 1/26/2027 Factory Lead-Time: 14 Weeks	$1.45 $1.26 $1.21 $1.13 View $1.02 $0.937 $0.753 $0.717	Min.: 1 Mult.: 1

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