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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 (SGD) 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: $1.86 1,435In Stock 800Expected 5/11/2026 New Product	Mfr. Part No. AT3P-RSC-BLK Mouser Part No 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	1,435In Stock 800Expected 5/11/2026	$1.86 $1.59 $1.41 $1.34 View $1.26 $1.16 $1.10 $1.05	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Plug, Ke Plug, Keyed A, Gray AT16-18SA-EK02 Amphenol SINE Systems 1: $8.87 4,327In Stock 100On Order	Mfr. Part No. AT16-18SA-EK02 Mouser Part No 654-AT16-18SA-EK02	Amphenol SINE Systems	Automotive Connectors 18 Position Plug, Ke Plug, Keyed A, Gray Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	4,327In Stock 100On Order	$8.87 $8.08 $7.70 $7.47 View $7.21 $6.83 $6.68 $6.35	Min.: 1 Mult.: 1
Automotive Connectors STAMPED FEM CONTACT 18-20 AWG, AU PLATE AT62-16-0644 Amphenol SINE Systems 1: $1.35 240,228In Stock	Mfr. Part No. AT62-16-0644 Mouser Part No 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	240,228In Stock	Cut Tape $1.35 $0.938 $0.895 $0.869 View Reel $0.657 $0.827 $0.694 $0.657 $0.657	Min.: 1 Mult.: 1 : 16,000
Automotive Connectors 3 POS CONN POS ASSURANCE CLIP AT-3CPA-GRN Amphenol SINE Systems 1: $0.721 5,102In Stock	Mfr. Part No. AT-3CPA-GRN Mouser Part No 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	$0.721 $0.585 $0.547 $0.495 View $0.462 $0.43 $0.386	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT04-6P-BRN Amphenol SINE Systems 1: $2.76 1,028In Stock	Mfr. Part No. AT04-6P-BRN Mouser Part No 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	$2.76 $2.50 $2.34 $2.27 View $2.01 $1.97 $1.74 $1.71 $1.70	Min.: 1 Mult.: 1
Automotive Connectors AT Rec Enhanced A 12 Way Red. Dia End Cap AT04-12PA-MM01 Amphenol SINE Systems 1: $4.68 1,924In Stock	Mfr. Part No. AT04-12PA-MM01 Mouser Part No 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	1,924In Stock	$4.68 $3.98 $3.56 $3.54 View $3.01 $2.91 $2.67 $2.53	Min.: 1 Mult.: 1
Automotive Connectors AT RCPT 12P (Ni) PCB BRD MNT NO POTING G AT04-12PC-BM03 Amphenol SINE Systems 1: $9.81 397In Stock	Mfr. Part No. AT04-12PC-BM03 Mouser Part No 654-AT04-12PC-BM03	Amphenol SINE Systems	Automotive Connectors AT RCPT 12P (Ni) PCB BRD MNT NO POTING G Learn More about Amphenol SINE Systems amphenol sine at board lock	Datasheet	397In Stock	$9.81 $8.88 $8.65 $8.53 View $7.70 $7.02 $6.64 $6.41 Quote	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT06-4S-BRN Amphenol SINE Systems 1: $2.31 1,805In Stock	Mfr. Part No. AT06-4S-BRN Mouser Part No 654-AT06-4S-BRN	Amphenol SINE Systems	Automotive Connectors A SERIES-AT-CONNECTORS Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	1,805In Stock	$2.31 $2.07 $1.94 $1.86 View $1.69 $1.52 $1.41 $1.39 $1.36	Min.: 1 Mult.: 1
Automotive Connectors ATP Series 2 Way Blk Recept w/End Cap ATP04-2P-EC01 Amphenol SINE Systems 1: $7.00 457In Stock	Mfr. Part No. ATP04-2P-EC01 Mouser Part No 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	$7.00 $5.17 $4.96 $4.64 View $4.38 $4.18 $4.16 $3.94	Min.: 1 Mult.: 1
Automotive Connectors 12P PLUG W/ SEAL KEY POSITION D AT06-12SD-RD01 Amphenol SINE Systems 1: $6.43 1,241In Stock	Mfr. Part No. AT06-12SD-RD01 Mouser Part No 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	1,241In Stock	$6.43 $5.79 $5.51 $5.33 View $5.11 $4.58 $4.49 $4.07 $3.97	Min.: 1 Mult.: 1
Automotive Connectors 6P PLUG END CAP SEAL AT06-6S-SS01 Amphenol SINE Systems 1: $6.90 2,060In Stock	Mfr. Part No. AT06-6S-SS01 Mouser Part No 654-AT06-6S-SS01	Amphenol SINE Systems	Automotive Connectors 6P PLUG END CAP SEAL Learn More about Amphenol SINE Systems amphenol sine at end caps	Datasheet	2,060In Stock	$6.90 $5.97 $5.73 $5.43 View $5.29 $4.94 $4.86 $4.84 $4.39	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Receptac Cap, Keyed D, Black AT16-18PD-SR02 Amphenol SINE Systems 1: $9.91 301In Stock	Mfr. Part No. AT16-18PD-SR02 Mouser Part No 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	$9.91 $8.85 $8.39 $8.12 View $7.45 $7.26 $6.83 $6.79	Min.: 1 Mult.: 1
Automotive Connectors 12P RECEP W/ SEAL KEY POSITION D AT04-12PD-RD01 Amphenol SINE Systems 1: $7.34 657In Stock	Mfr. Part No. AT04-12PD-RD01 Mouser Part No 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	$7.34 $6.24 $5.86 $5.58 View $5.02 $4.77 $4.66 $4.32 $4.19	Min.: 1 Mult.: 1
Automotive Connectors STAMPED MALE CONTACT 14-16 AWG, AU PLATE AT60-14-0144 Amphenol SINE Systems 1: $0.707 11,107In Stock	Mfr. Part No. AT60-14-0144 Mouser Part No 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	11,107In Stock	Cut Tape $0.707 $0.626 $0.56 $0.522 View Reel $0.432 $0.479 $0.443 $0.432 $0.432	Min.: 1 Mult.: 1 : 16,000
Automotive Connectors 2-Way Plug, Black Female Connector AT06-3S-EC01BLK Amphenol SINE Systems 1: $2.14 3,341In Stock 6,113On Order	Mfr. Part No. AT06-3S-EC01BLK Mouser Part No 654-AT06-3S-EC01BLK	Amphenol SINE Systems	Automotive Connectors 2-Way Plug, Black Female Connector Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	3,341In Stock 6,113On Order On Order Ship Dates Mfr. No: AT06-3S-EC01BLK Stock: 3,341 Can Dispatch Immediately On Order: 113 Expected 28/9/2026 2,000 Expected 12/10/2026 4,000 Expected 18/11/2026 Factory Lead Time: 14 Weeks	$2.14 $1.86 $1.78 $1.67 View $1.51 $1.39 $1.24 $1.13 $1.12	Min.: 1 Mult.: 1
Automotive Connectors 4 Pin Overmold Plug Socket, BROWN AT06-4S-OMBRN Amphenol SINE Systems 1: $3.60 450In Stock	Mfr. Part No. AT06-4S-OMBRN Mouser Part No 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	$3.60 $3.16 $3.01 $2.82 View $2.54 $2.12 $1.97 $1.89 $1.86	Min.: 1 Mult.: 1
Automotive Connectors 7 Pin receptacle AT04-3P-RED Amphenol SINE Systems 1: $1.78 750In Stock	Mfr. Part No. AT04-3P-RED Mouser Part No 654-AT04-3P-RED	Amphenol SINE Systems	Automotive Connectors 7 Pin receptacle Learn More about Amphenol SINE Systems amphenolsine aseries	Datasheet	750In Stock	$1.78 $1.51 $1.39 $1.33 View $1.26 $1.12 $1.01 $0.99	Min.: 1 Mult.: 1
Automotive Connectors 3 PinOvermold Plug Socket, GREY AT06-3S-OMGRY Amphenol SINE Systems 1: $2.14 991In Stock	Mfr. Part No. AT06-3S-OMGRY Mouser Part No 654-AT06-3S-OMGRY	Amphenol SINE Systems	Automotive Connectors 3 PinOvermold Plug Socket, GREY Learn More about Amphenol SINE Systems amphenol sine at omc connectors	Datasheet	991In Stock	$2.14 $1.93 $1.82 $1.74 View $1.66 $1.54 $1.46 $1.44	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT06-3S-ORG Amphenol SINE Systems 1: $1.74 858In Stock	Mfr. Part No. AT06-3S-ORG Mouser Part No 654-AT06-3S-ORG	Amphenol SINE Systems	Automotive Connectors A SERIES-AT-CONNECTORS Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	858In Stock	$1.74 $1.63 $1.59 $1.55 View $1.48 $1.35 $1.25 $1.24 $1.22	Min.: 1 Mult.: 1
Automotive Connectors 4 Pin Overmold Plug Socket, YELLOW AT06-4S-OMYEL Amphenol SINE Systems 1: $3.29 571In Stock	Mfr. Part No. AT06-4S-OMYEL Mouser Part No 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	$3.29 $2.80 $2.50 $2.39 View $2.24 $2.04 $1.92 $1.84 $1.81	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT06-6S-BRN Amphenol SINE Systems 1: $2.83 586In Stock	Mfr. Part No. AT06-6S-BRN Mouser Part No 654-AT06-6S-BRN	Amphenol SINE Systems	Automotive Connectors A SERIES-AT-CONNECTORS Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	586In Stock	$2.83 $2.53 $2.35 $2.22 View $2.12 $1.78 $1.67 $1.62 $1.59	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT06-6S-RED Amphenol SINE Systems 1: $2.46 649In Stock	Mfr. Part No. AT06-6S-RED Mouser Part No 654-AT06-6S-RED	Amphenol SINE Systems	Automotive Connectors A SERIES-AT-CONNECTORS Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	649In Stock	$2.46 $2.20 $2.09 $2.00 View $1.89 $1.73 $1.65 $1.54 $1.51	Min.: 1 Mult.: 1
Automotive Connectors 4 Pin Overmold Plug Socket, GREEN AT06-4S-OMGRN Amphenol SINE Systems 1: $2.92 959In Stock	Mfr. Part No. AT06-4S-OMGRN Mouser Part No 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	$2.92 $2.62 $2.46 $2.34 View $2.20 $1.99 $1.88 $1.80 $1.77	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT04-4P-BRN Amphenol SINE Systems 1: $1.97 1,200In Stock	Mfr. Part No. AT04-4P-BRN Mouser Part No 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	$1.97 $1.77 $1.67 $1.60 View $1.50 $1.37 $1.23 $1.20	Min.: 1 Mult.: 1
Automotive Connectors A SERIES-AT-CONNECTORS AT06-4S-YEL Amphenol SINE Systems 1: $1.89 1,034In Stock	Mfr. Part No. AT06-4S-YEL Mouser Part No 654-AT06-4S-YEL	Amphenol SINE Systems	Automotive Connectors A SERIES-AT-CONNECTORS Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	1,034In Stock	$1.89 $1.74 $1.67 $1.62 View $1.55 $1.43 $1.36 $1.32 $1.30	Min.: 1 Mult.: 1

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