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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 1,394In 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	1,394In 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 A tariff of 40% may be applied if shipping to the United States. 1,725In 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	1,725In Stock	$1.68 $1.43 $1.28 $1.22 View $1.10 $1.03 $0.966 $0.948 $0.932 A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Automotive Connectors STAMPED FEM CONTACT 18-20 AWG, AU PLATE AT62-16-0644 Amphenol SINE Systems 1: $0.70 236,229In 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	236,229In Stock	Cut Tape $0.70 $0.573 $0.453 Reel $0.453	Min.: 1 Mult.: 1 : 16,000
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 $2.91 $2.62 $2.60 View $2.21 $1.97 $1.88 $1.85	Min.: 1 Mult.: 1
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 $3.66 $3.39 $3.08 $3.05	Min.: 1 Mult.: 1
Automotive Connectors STAMPED MALE CONTACT 14-16 AWG, AU PLATE AT60-14-0144 Amphenol SINE Systems 1: $0.48 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 $0.48 $0.416 $0.369 $0.351 View Reel $0.298 $0.321 $0.314 $0.299 $0.298 $0.298	Min.: 1 Mult.: 1 : 16,000
Automotive Connectors 6 Pin Recept. BLK AT04-6P-BLK Amphenol SINE Systems 1: $1.52 4,774In 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	4,774In Stock	$1.52 $1.37 $1.26 $1.21 View $1.12 $1.06 $1.05 $0.984	Min.: 1 Mult.: 1
Automotive Connectors 12P PLUG W/ SEAL KEY POSITION D AT06-12SD-RD01 Amphenol SINE Systems 1: $4.24 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	$4.24 $3.80 $3.62 $3.49 View $3.35 $2.99 $2.98 $2.79	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Receptac Cap, Keyed D, Black AT16-18PD-SR02 Amphenol SINE Systems 1: $6.46 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	$6.46 $5.75 $5.46 $5.26 View $5.08 $4.89 $4.86 $4.82	Min.: 1 Mult.: 1
Automotive Connectors 3 POS CONN POS ASSURANCE CLIP AT-3CPA-GRN Amphenol SINE Systems 1: $0.44 A tariff of 40% may be applied if shipping to the United States. 4,902In 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	4,902In Stock	$0.44 $0.363 $0.34 $0.327 View $0.305 $0.293 $0.263 A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT04-6P-BRN Amphenol SINE Systems 1: $1.86 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	$1.86 $1.71 $1.61 $1.56 View $1.40 $1.28 $1.16	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT06-4S-BRN Amphenol SINE Systems 1: $1.80 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	$1.80 $1.57 $1.39 $1.37 View $1.26 $1.20 $1.01 $0.999 $0.987	Min.: 1 Mult.: 1
Automotive Connectors ATP Series 2 Way Blk Recept w/End Cap ATP04-2P-EC01 Amphenol SINE Systems 1: $3.96 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	$3.96 $3.43 $3.32 $3.03 View $2.85 $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 A tariff of 40% may be applied if shipping to the United States. 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 A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Automotive Connectors 4 Pin Overmold Plug Socket, YELLOW AT06-4S-OMYEL Amphenol SINE Systems 1: $2.30 A tariff of 40% may be applied if shipping to the United States. 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 $1.64 View $1.55 $1.39 $1.36 $1.31 $1.30 A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT04-4P-BRN Amphenol SINE Systems 1: $1.36 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	$1.36 $1.23 $1.16 $1.12 View $1.07 $0.98 $0.884	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT06-4S-YEL Amphenol SINE Systems 1: $1.44 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	$1.44 $1.33 $1.24 $1.20 View $1.15 $0.99 $0.942 $0.895 $0.889	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT06-6S-YEL Amphenol SINE Systems 1: $1.99 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	$1.99 $1.74 $1.42 $1.36 View $1.27 $1.22 $1.13 $1.02 $1.01	Min.: 1 Mult.: 1
Automotive Connectors 4 Pin Overmold Plug Socket, GREEN AT06-4S-OMGRN Amphenol SINE Systems 1: $1.93 A tariff of 17% may be applied if shipping to the United States. 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	$1.93 $1.75 $1.62 $1.55 View $1.48 $1.33 $1.29 $1.27 A tariff of 17% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Automotive Connectors PLUG, 2 SOCKET OVER-MOLDING, GREY AT06-2S-OMGRY Amphenol SINE Systems 1: $1.49 A tariff of 40% may be applied if shipping to the United States. 942In 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	942In Stock 1,000Expected 1/20/2027	$1.49 $1.34 $1.27 $1.23 View $1.15 $1.09 $1.01 $0.97 A tariff of 40% may be applied if shipping to the United States.	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 $1.12 $1.07 $1.01 $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 500In 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	500In 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 4 Position Receptacles, Black AT4P-RSC-BLK Amphenol SINE Systems 1: $1.22 208In Stock 800Expected 11/17/2026 New Product	Mfr. Part # AT4P-RSC-BLK Mouser Part # 654-AT4P-RSC-BLK New Product	Amphenol SINE Systems	Automotive Connectors Seal Cap for AT Series 4 Position Receptacles, Black Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	208In Stock 800Expected 11/17/2026	$1.22 $1.04 $0.926 $0.881 View $0.826 $0.761 $0.724 $0.689	Min.: 1 Mult.: 1
Automotive Connectors Seal Cap for AT Series 6 Position Receptacles, Black AT6P-RSC-BLK Amphenol SINE Systems 1: $1.45 826In Stock 3,200Expected 1/19/2027 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	826In Stock 3,200Expected 1/19/2027	$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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