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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 (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
Automotive Connectors 18 Position Panel Mo tacle, Keyed A, Gray AT16-18PA-PM11 Amphenol SINE Systems 1: 6,42 € 155In Stock 1.700On Order	Mfr. Part No. AT16-18PA-PM11 Mouser Part No 654-AT16-18PA-PM11	Amphenol SINE Systems	Automotive Connectors 18 Position Panel Mo tacle, Keyed A, Gray Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	155In Stock 1.700On Order On Order Ship Dates Mfr. No: AT16-18PA-PM11 Stock: 155 Can Dispatch Immediately On Order: 500 Expected 12/8/2026 500 Expected 2/15/2027 700 Expected 2/23/2027 Factory Lead Time: 18 Weeks	6,42 € 5,94 € 5,86 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Receptac Cap, Keyed B, Black AT16-18PB-K004 Amphenol SINE Systems 1: 7,59 € 1In Stock 1.500Expected 1/1/2027	Mfr. Part No. AT16-18PB-K004 Mouser Part No 654-AT16-18PB-K004	Amphenol SINE Systems	Automotive Connectors 18 Position Receptac Cap, Keyed B, Black Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	1In Stock 1.500Expected 1/1/2027	7,59 € 6,80 € 6,30 € 6,00 € View 5,99 € 5,38 € 5,07 € 4,32 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Panel Mo acle, Keyed B, Black AT16-18PB-PM11 Amphenol SINE Systems 1: 7,47 € 52In Stock 400Expected 2/23/2027	Mfr. Part No. AT16-18PB-PM11 Mouser Part No 654-AT16-18PB-PM11	Amphenol SINE Systems	Automotive Connectors 18 Position Panel Mo acle, Keyed B, Black Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	52In Stock 400Expected 2/23/2027	7,47 € 6,67 € 6,20 € 5,95 € View 5,78 € 5,28 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Panel Mo Cap, Keyed B, Black AT16-18PB-PM15 Amphenol SINE Systems 1: 8,30 € 90In Stock 100Expected 12/10/2026	Mfr. Part No. AT16-18PB-PM15 Mouser Part No 654-AT16-18PB-PM15	Amphenol SINE Systems	Automotive Connectors 18 Position Panel Mo Cap, Keyed B, Black Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	90In Stock 100Expected 12/10/2026	8,30 € 7,18 € 6,69 € 6,48 € View 5,87 € 5,47 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Receptac Cap, Keyed C, Black AT16-18PC-K004 Amphenol SINE Systems 1: 7,50 € 47In Stock 100Expected 11/26/2026	Mfr. Part No. AT16-18PC-K004 Mouser Part No 654-AT16-18PC-K004	Amphenol SINE Systems	Automotive Connectors 18 Position Receptac Cap, Keyed C, Black Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	47In Stock 100Expected 11/26/2026	7,50 € 6,46 € 5,09 € 4,95 € View 4,77 € 4,49 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Panel Mo Cap, Keyed C, Green AT16-18PC-PM15 Amphenol SINE Systems 1: 12,44 € 76In Stock 100Expected 12/30/2026	Mfr. Part No. AT16-18PC-PM15 Mouser Part No 654-AT16-18PC-PM15	Amphenol SINE Systems	Automotive Connectors 18 Position Panel Mo Cap, Keyed C, Green Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	76In Stock 100Expected 12/30/2026	12,44 € 10,58 € 10,29 € 8,94 € View 8,32 € 8,00 € 7,70 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Receptac Cap, Keyed C, Black AT16-18PC-SR02 Amphenol SINE Systems 1: 7,71 € 35In Stock 100Expected 2/24/2027	Mfr. Part No. AT16-18PC-SR02 Mouser Part No 654-AT16-18PC-SR02	Amphenol SINE Systems	Automotive Connectors 18 Position Receptac Cap, Keyed C, Black Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	35In Stock 100Expected 2/24/2027	7,71 € 6,55 € 6,14 € 5,85 € View 5,56 € 4,85 € 4,56 € 4,55 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Receptac Cap, Keyed D, Black AT16-18PD-K004 Amphenol SINE Systems 1: 6,54 € 11In Stock	Mfr. Part No. AT16-18PD-K004 Mouser Part No 654-AT16-18PD-K004	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	11In Stock	6,54 € 6,05 € 5,68 € 5,08 € View 4,89 € 4,85 € 4,58 € 4,49 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Panel Mo acle, Keyed D, Brown AT16-18PD-PM11 Amphenol SINE Systems 1: 11,95 € 63In Stock	Mfr. Part No. AT16-18PD-PM11 Mouser Part No 654-AT16-18PD-PM11	Amphenol SINE Systems	Automotive Connectors 18 Position Panel Mo acle, Keyed D, Brown Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	63In Stock	11,95 € 10,16 € 9,52 € 9,07 € View 8,63 € 7,98 € 7,70 € 7,36 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Panel Mo Cap, Keyed D, Brown AT16-18PD-PM15 Amphenol SINE Systems 1: 12,36 € 2In Stock	Mfr. Part No. AT16-18PD-PM15 Mouser Part No 654-AT16-18PD-PM15	Amphenol SINE Systems	Automotive Connectors 18 Position Panel Mo Cap, Keyed D, Brown Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	2In Stock	12,36 € 10,58 € 9,92 € 9,44 € View 8,99 € 8,32 € 8,02 € 7,70 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Receptac Cap, Keyed E, Black AT16-18PE-K004 Amphenol SINE Systems 1: 7,60 € 29In Stock	Mfr. Part No. AT16-18PE-K004 Mouser Part No 654-AT16-18PE-K004	Amphenol SINE Systems	Automotive Connectors 18 Position Receptac Cap, Keyed E, Black Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	29In Stock	7,60 € 6,46 € 6,05 € 5,77 € View 5,25 € 4,78 € 4,52 € 4,49 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Panel Mo tacle, Keyed E, Gray AT16-18PE-PM11 Amphenol SINE Systems 1: 12,95 € 7In Stock 100Expected 12/14/2026	Mfr. Part No. AT16-18PE-PM11 Mouser Part No 654-AT16-18PE-PM11	Amphenol SINE Systems	Automotive Connectors 18 Position Panel Mo tacle, Keyed E, Gray Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	7In Stock 100Expected 12/14/2026	12,95 € 10,16 € 9,52 € 9,07 € View 8,63 € 7,98 € 7,71 € 7,36 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Panel Mo d Cap, Keyed E, Gray AT16-18PE-PM15 Amphenol SINE Systems 1: 12,44 € 46In Stock	Mfr. Part No. AT16-18PE-PM15 Mouser Part No 654-AT16-18PE-PM15	Amphenol SINE Systems	Automotive Connectors 18 Position Panel Mo d Cap, Keyed E, Gray Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	46In Stock	12,44 € 12,19 € 11,10 € 9,44 € View 8,99 € 8,32 € 8,02 € 7,70 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Receptac Cap, Keyed E, Black AT16-18PE-SR02 Amphenol SINE Systems 1: 7,49 € 49In Stock	Mfr. Part No. AT16-18PE-SR02 Mouser Part No 654-AT16-18PE-SR02	Amphenol SINE Systems	Automotive Connectors 18 Position Receptac Cap, Keyed E, Black Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	49In Stock	7,49 € 6,77 € 6,30 € 6,02 € View 5,87 € 5,23 € 4,92 € 4,84 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Plug, Ke Plug, Keyed D, Brown AT16-18SD-EK02 Amphenol SINE Systems 1: 7,22 € 24In Stock 200Expected 12/10/2026	Mfr. Part No. AT16-18SD-EK02 Mouser Part No 654-AT16-18SD-EK02	Amphenol SINE Systems	Automotive Connectors 18 Position Plug, Ke Plug, Keyed D, Brown Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	24In Stock 200Expected 12/10/2026	7,22 € 6,54 € 6,26 € 6,07 € View 5,88 € 5,43 € 5,27 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Plug wit Cap, Keyed D, Black AT16-18SD-SR02 Amphenol SINE Systems 1: 8,91 € 7In Stock	Mfr. Part No. AT16-18SD-SR02 Mouser Part No 654-AT16-18SD-SR02	Amphenol SINE Systems	Automotive Connectors 18 Position Plug wit Cap, Keyed D, Black Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	7In Stock	8,91 € 8,58 € 7,10 € 6,76 € View 6,42 € 5,89 € 5,57 € 5,33 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Plug, Ke Plug, Keyed E, Gray AT16-18SE-EK02 Amphenol SINE Systems 1: 8,81 € 61In Stock	Mfr. Part No. AT16-18SE-EK02 Mouser Part No 654-AT16-18SE-EK02	Amphenol SINE Systems	Automotive Connectors 18 Position Plug, Ke Plug, Keyed E, Gray Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	61In Stock	8,81 € 7,48 € 7,02 € 6,68 € View 6,36 € 5,88 € 5,27 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Plug wit Cap, Keyed E, Black AT16-18SE-K004 Amphenol SINE Systems 1: 8,28 € 3In Stock 400Expected 12/10/2026	Mfr. Part No. AT16-18SE-K004 Mouser Part No 654-AT16-18SE-K004	Amphenol SINE Systems	Automotive Connectors 18 Position Plug wit Cap, Keyed E, Black Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	3In Stock 400Expected 12/10/2026	8,28 € 7,08 € 6,63 € 6,32 € View 6,01 € 5,56 € 5,37 € 5,02 € 5,01 €	Min.: 1 Mult.: 1
Automotive Connectors 18 Position Plug wit Cap, Keyed E, Black AT16-18SE-SR02 Amphenol SINE Systems 1: 9,61 € 83In Stock	Mfr. Part No. AT16-18SE-SR02 Mouser Part No 654-AT16-18SE-SR02	Amphenol SINE Systems	Automotive Connectors 18 Position Plug wit Cap, Keyed E, Black Learn More about Amphenol SINE Systems amphenol at series 18 position connectors	Datasheet	83In Stock	9,61 € 8,52 € 8,20 € 7,87 € View 6,20 € 5,75 € 5,63 €	Min.: 1 Mult.: 1
Automotive Connectors 2 POS PROTECTIVE CAP RECEPT AT AT2P-DC Amphenol SINE Systems 1: 0,327 € 706In Stock 1.600Expected 1/18/2027	Mfr. Part No. AT2P-DC Mouser Part No 654-AT2P-DC	Amphenol SINE Systems	Automotive Connectors 2 POS PROTECTIVE CAP RECEPT AT Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	706In Stock 1.600Expected 1/18/2027	0,327 € 0,277 € 0,213 € 0,199 € View 0,181 € 0,164 € 0,163 € 0,162 €	Min.: 1 Mult.: 1
Automotive Connectors 2 POS PROTECTIVE CAP RECEPT AT AT2P-DC-BK Amphenol SINE Systems 1: 0,327 € 37In Stock 3.200Expected 1/12/2027	Mfr. Part No. AT2P-DC-BK Mouser Part No 654-AT2P-DC-BK	Amphenol SINE Systems	Automotive Connectors 2 POS PROTECTIVE CAP RECEPT AT Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	37In Stock 3.200Expected 1/12/2027	0,327 € 0,277 € 0,242 € 0,225 € View 0,207 € 0,184 € 0,182 € 0,178 € 0,176 €	Min.: 1 Mult.: 1
Automotive Connectors 3 POS PROTECTIVE CAP RECEPT AT AT3P-DC Amphenol SINE Systems 1: 0,378 € 286In Stock	Mfr. Part No. AT3P-DC Mouser Part No 654-AT3P-DC	Amphenol SINE Systems	Automotive Connectors 3 POS PROTECTIVE CAP RECEPT AT Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	286In Stock	0,378 € 0,309 € 0,28 € 0,271 € View 0,242 € 0,228 € 0,187 € 0,183 € 0,18 €	Min.: 1 Mult.: 1
Automotive Connectors 3 POS PROTECTIVE CAP RECEPT AT AT3P-DC-BK Amphenol SINE Systems 1: 0,378 € 245In Stock	Mfr. Part No. AT3P-DC-BK Mouser Part No 654-AT3P-DC-BK	Amphenol SINE Systems	Automotive Connectors 3 POS PROTECTIVE CAP RECEPT AT Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	245In Stock	0,378 € 0,319 € 0,246 € 0,229 € View 0,209 € 0,194 € 0,18 €	Min.: 1 Mult.: 1
Automotive Connectors 4 POS PROTECTIVE CAP RECEPT AT AT4P-DC Amphenol SINE Systems 1: 0,404 € 55In Stock 1.200Expected 1/27/2027	Mfr. Part No. AT4P-DC Mouser Part No 654-AT4P-DC	Amphenol SINE Systems	Automotive Connectors 4 POS PROTECTIVE CAP RECEPT AT Learn More about Amphenol SINE Systems amphenol sine at standard	Datasheet	55In Stock 1.200Expected 1/27/2027	0,404 € 0,346 € 0,309 € 0,241 € View 0,211 € 0,20 € 0,196 € 0,193 €	Min.: 1 Mult.: 1
Automotive Connectors Seal Cap for AT Series 4 Position Receptacles, Black AT4P-RSC-BLK Amphenol SINE Systems 1: 1,05 € 8In Stock 800Expected 11/17/2026 New Product	Mfr. Part No. AT4P-RSC-BLK Mouser Part No 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	8In Stock 800Expected 11/17/2026	1,05 € 0,894 € 0,796 € 0,758 € View 0,71 € 0,654 € 0,623 € 0,593 €	Min.: 1 Mult.: 1

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