Board to Board & Mezzanine Connectors

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SS4/ST4 0.40mm Ultra-Fine-Pitch Connectors

Samtec SS4 / ST4 0.40mm Ultra-Fine-Pitch Connectors deliver up to 28Gbps performance and are available with up to 100 I/Os and stack heights ranging from 4mm to 6mm. These slim-footprint connectors are designed for board-to-board connections where space is at a premium. The connectors are manufactured on an ultra-fine 0.40mm pitch and come in a vertical configuration. These Razor Beam™ LP family connectors are engineered to save space on the X, Y, and Z axes. The SS4 sockets mate with the ST4 headers and vice-versa. Samtec SS4 / ST4 0.40mm Ultra-Fine-Pitch Connectors operate in a -55°C to +125°C temperature range and are ideal for applications such as 5G networking, test connectivity, artificial intelligence (AI) and machine learning, broadcast videos, medical, and more.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Number of Positions	Pitch	Number of Rows	Termination Style	Mounting Angle	Stack Height	Current Rating	Voltage Rating	Maximum Data Rate	Minimum Operating Temperature	Maximum Operating Temperature	Contact Plating	Contact Material	Housing Material	Series	Packaging
Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header ST4-20-2.50-L-D-P-FR Samtec 850: Rp47.883,06 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. ST4-20-2.50-L-D-P-FR Mouser Part No 200-ST4202.50LDPFR	Samtec	Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header		Non-Stocked Lead-Time 11 Weeks	Reel Rp47.883,06 Rp47.699,60 Quote Quote	Min.: 850 Mult.: 850 : 850																ST4	Reel
Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header ST4-30-1.50-L-D-P-FR Samtec 1.025: Rp53.203,40 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. ST4-30-1.50-L-D-P-FR Mouser Part No 200-ST4301.50LDPFR	Samtec	Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header		Non-Stocked Lead-Time 5 Weeks	Reel Rp53.203,40 Rp48.800,36 Quote Quote	Min.: 1.025 Mult.: 1.025 : 1.025																ST4	Reel
Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header ST4-30-1.00-L-D-P-FR Samtec 1.125: Rp52.653,02 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. ST4-30-1.00-L-D-P-FR Mouser Part No 200-ST430100LDPFR	Samtec	Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header Learn More about Samtec ss4 st4 connectors		Non-Stocked Lead-Time 4 Weeks	Reel Rp52.653,02 Quote Quote	Min.: 1.125 Mult.: 1.125 : 1.125																ST4	Reel
Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header ST4-30-2.50-L-D-P-FR Samtec 850: Rp58.890,66 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. ST4-30-2.50-L-D-P-FR Mouser Part No 200-ST4302.50LDPFR	Samtec	Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header		Non-Stocked Lead-Time 9 Weeks	Reel Rp58.890,66 Quote Quote	Min.: 850 Mult.: 850 : 850																ST4	Reel
Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header ST4-40-1.00-L-D-P-FR Samtec 1.200: Rp62.376,40 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ST4-40-1.00-L-D-P-FR Mouser Part No 200-ST4401.00LDPFR	Samtec	Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header		Non-Stocked Lead-Time 8 Weeks	Reel Rp62.376,40 View Quote	Min.: 1.200 Mult.: 1.200 : 1.200																ST4	Reel
Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header ST4-40-1.50-L-D-P-FR Samtec 1.025: Rp63.110,24 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. ST4-40-1.50-L-D-P-FR Mouser Part No 200-ST4401.50LDPFR	Samtec	Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header		Non-Stocked Lead-Time 8 Weeks	Reel Rp63.110,24 Quote Quote	Min.: 1.025 Mult.: 1.025 : 1.025																ST4	Reel
Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header ST4-40-2.50-L-D-P-FR Samtec 850: Rp70.081,72 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. ST4-40-2.50-L-D-P-FR Mouser Part No 200-ST4402.50LDPFR	Samtec	Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header		Non-Stocked Lead-Time 12 Weeks	Reel Rp70.081,72 Rp64.761,38 Rp63.660,62 Quote Quote	Min.: 850 Mult.: 850 : 850																ST4	Reel
Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header ST4-50-1.00-L-D-P-FR Samtec 925: Rp71.182,48 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. ST4-50-1.00-L-D-P-FR Mouser Part No 200-ST4501.00LDPFR	Samtec	Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header		Non-Stocked Lead-Time 4 Weeks	Reel Rp71.182,48 Rp70.999,02	Min.: 925 Mult.: 925 : 925																ST4	Reel
Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header ST4-50-1.50-L-D-P-FR Samtec 850: Rp71.549,40 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. ST4-50-1.50-L-D-P-FR Mouser Part No 200-ST4501.50LDPFR	Samtec	Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header		Non-Stocked Lead-Time 5 Weeks	Reel Rp71.549,40 Quote Quote	Min.: 850 Mult.: 850 : 850																ST4	Reel
Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header ST4-50-2.50-L-D-P-FR Samtec 700: Rp72.833,62 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. ST4-50-2.50-L-D-P-FR Mouser Part No 200-ST4502.50LDPFR	Samtec	Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header		Non-Stocked Lead-Time 10 Weeks	Reel Rp72.833,62 Rp72.650,16	Min.: 700 Mult.: 700 : 700																ST4	Reel
Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket Samtec SS4-20-3.00-L-D-TR SS4-20-3.00-L-D-TR Samtec 1.150: Rp50.451,50 Non-Stocked Lead-Time 2 Weeks New Product	Mfr. Part No. SS4-20-3.00-L-D-TR Mouser Part No 200-SS4203.00LDTR New Product	Samtec	Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket	Datasheet	Non-Stocked Lead-Time 2 Weeks	Reel Rp50.451,50 Rp48.616,90 Rp44.764,24 Quote Quote	Min.: 1.150 Mult.: 1.150 : 1.150	Connectors	40 Position	0.4 mm (0.016 in)	2 Row	Solder	Straight	4 mm, 4.5 mm, 5.5 mm	1.6 A	155 VAC	28 Gbps	- 55 C	+ 125 C	Gold	Phosphor Bronze	Liquid Crystal Polymer (LCP)	SS4	Reel

SS4/ST4 0.40mm Ultra-Fine-Pitch Connectors

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