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.

Results: 61
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model 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 Data Rate Series Packaging
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket 3.099In Stock
Cut Tape
Rp95.582,66
Rp77.787,04
Rp74.117,84
Rp70.448,64
Reel
Rp60.725,26
Min.: 1
Mult.: 1
: 825
Sockets 100 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 4.5 mm, 5 mm, 6 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps SS4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header 776In Stock
Cut Tape
Rp72.466,70
Rp62.009,48
Rp60.174,88
Rp55.404,92
Reel
Rp39.076,98
Min.: 1
Mult.: 1
: 1.025
Headers 40 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 4.5 mm, 5 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps ST4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header 692In Stock
Cut Tape
Rp97.600,72
Rp87.877,34
Rp83.841,22
Rp77.603,58
Reel
Rp63.660,62
Min.: 1
Mult.: 1
: 700
Headers 100 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 5.5 mm, 6 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps ST4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40MM MICRO BLADE & BEAM 15.326In Stock
1.025Expected 06/11/2026
Cut Tape
Rp42.195,80
Rp40.177,74
Rp37.609,30
Rp37.242,38
Reel
Rp35.774,70
Min.: 1
Mult.: 1
: 1.025
Sockets 20 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 4.5 mm, 5 mm, 6 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps SS4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket 7.413In Stock
Cut Tape
Rp73.750,92
Rp58.890,66
Rp56.138,76
Rp53.570,32
Reel
Rp53.570,32
Rp48.983,82
Min.: 1
Mult.: 1
: 1.025
Sockets 60 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 4.5 mm, 5 mm, 6 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps SS4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40MM MICRO BLADE & BEAM HDR 11.565In Stock
Cut Tape
Rp84.941,98
Rp67.880,20
Rp60.358,34
Rp57.789,90
Reel
Rp47.883,06
Min.: 1
Mult.: 1
: 1.125
Headers 60 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 4 mm, 4.5 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Liquid Crystal Polymer (LCP) 28 Gbps ST4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40MM MICRO BLADE & BEAM 3.703In Stock
Cut Tape
Rp39.260,44
Rp38.159,68
Reel
Rp38.159,68
Rp35.040,86
Min.: 1
Mult.: 1
: 1.150
Sockets 20 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 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) 28 Gbps SS4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40MM MICRO BLADE & BEAM SCKT 1.305In Stock
Cut Tape
Rp45.681,54
Rp44.213,86
Rp44.030,40
Rp40.177,74
Reel
Rp37.792,76
Min.: 1
Mult.: 1
: 1.150
Sockets 30 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 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) 28 Gbps SS4 Reel, Cut Tape
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket 1.117In Stock
Cut Tape
Rp46.231,92
Rp42.746,18
Rp37.792,76
Reel
Rp37.792,76
Rp31.738,58
Min.: 1
Mult.: 1
: 1.000
Sockets 30 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 4.5 mm, 5 mm, 6 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps SS4 Reel, Cut Tape
Samtec Board to Board & Mezzanine Connectors 0.40MM MICRO BLADE & BEAM SKT 5.878In Stock
Cut Tape
Rp70.448,64
Rp56.322,22
Rp53.570,32
Rp51.001,88
Reel
Rp43.296,56
Min.: 1
Mult.: 1
: 1.150
Sockets 40 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 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) 28 Gbps SS4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket 3.093In Stock
Cut Tape
Rp68.247,12
Rp56.138,76
Rp53.386,86
Rp50.818,42
Reel
Rp43.480,02
Min.: 1
Mult.: 1
: 1.025
Sockets 40 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 4.5 mm, 5 mm, 6 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps SS4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40MM MICRO BLADE & BEAM SCKT 4.451In Stock
20.700Expected 16/11/2026
Cut Tape
Rp82.923,92
Rp69.531,34
Rp66.229,06
Rp62.926,78
Reel
Rp47.332,68
Min.: 1
Mult.: 1
: 1.150
Sockets 60 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 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) 28 Gbps SS4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket 2.922In Stock
Cut Tape
Rp90.812,70
Rp72.466,70
Rp68.980,96
Rp65.678,68
Reel
Rp63.293,70
Min.: 1
Mult.: 1
: 1.225
Sockets 80 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 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) 28 Gbps SS4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40MM MICRO BLADE & BEAM SCKT 3.355In Stock
Cut Tape
Rp91.179,62
Rp80.172,02
Rp74.301,30
Rp71.549,40
Reel
Rp69.164,42
Min.: 1
Mult.: 1
: 800
Sockets 80 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 4.5 mm, 5 mm, 6 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps SS4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket 1.090In Stock
1.350Expected 24/11/2026
Cut Tape
Rp96.316,50
Rp78.153,96
Rp72.650,16
Rp72.283,24
Reel
Rp72.283,24
Min.: 1
Mult.: 1
: 675
Sockets 100 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 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) 28 Gbps SS4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40MM MICRO BLADE & BEAM HDR 2.604In Stock
Cut Tape
Rp46.231,92
Rp45.681,54
Rp42.746,18
Rp40.361,20
Reel
Rp37.792,76
Min.: 1
Mult.: 1
: 1.200
Headers 20 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 4 mm, 4.5 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps ST4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40MM MICRO BLADE & BEAM HDR 827In Stock
4.100On Order
Cut Tape
Rp48.616,90
Rp46.415,38
Rp43.296,56
Rp40.177,74
Reel
Rp38.159,68
Min.: 1
Mult.: 1
: 1.025
Headers 20 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 4.5 mm, 5 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps ST4 Reel, Cut Tape
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header 2.643In Stock
Cut Tape
Rp45.498,08
Rp43.296,56
Rp41.278,50
Reel
Rp41.278,50
Rp38.343,14
Min.: 1
Mult.: 1
: 850
Headers 20 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 5.5 mm, 6 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps ST4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header 3.990In Stock
Cut Tape
Rp47.699,60
Rp45.498,08
Rp42.562,72
Rp40.544,66
Reel
Rp40.361,20
Min.: 1
Mult.: 1
: 1.125
Headers 30 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 4 mm, 4.5 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps ST4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header 785In Stock
Cut Tape
Rp47.883,06
Rp45.681,54
Rp42.746,18
Rp39.994,28
Reel
Rp37.792,76
Min.: 1
Mult.: 1
: 1.050
Headers 30 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 4.5 mm, 5 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps ST4 Reel, Cut Tape
Samtec Board to Board & Mezzanine Connectors 0.40MM MICRO FINE PITCH HDR 5.267In Stock
Cut Tape
Rp63.844,08
Rp52.102,64
Rp49.717,66
Rp47.332,68
Reel
Rp42.746,18
Min.: 1
Mult.: 1
: 1.125
Headers 40 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 4 mm, 4.5 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps ST4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header 1.527In Stock
Cut Tape
Rp73.384,00
Rp55.955,30
Rp52.836,48
Rp51.185,34
Reel
Rp48.066,52
Min.: 1
Mult.: 1
: 850
Headers 40 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 5.5 mm, 6 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps ST4 Reel, Cut Tape
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header 1.717In Stock
2.050Expected 02/12/2026
Cut Tape
Rp86.776,58
Rp69.347,88
Rp65.862,14
Rp62.559,86
Reel
Rp53.203,40
Min.: 1
Mult.: 1
: 1.025
Headers 60 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 4.5 mm, 5 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps ST4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header 2.766In Stock
Cut Tape
Rp93.931,52
Rp66.962,90
Rp63.660,62
Rp61.275,64
Reel
Rp59.074,12
Min.: 1
Mult.: 1
: 850
Headers 60 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 5.5 mm, 6 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps ST4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40MM MICRO BLADE & BEAM HDR 680In Stock
Cut Tape
Rp99.435,32
Rp79.805,10
Rp76.135,90
Rp72.466,70
Reel
Rp62.192,94
Min.: 1
Mult.: 1
: 1.200
Headers 80 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 4 mm, 4.5 mm 1.6 A 155 VAC 28 Gbps - 55 C + 125 C Gold Phosphor Bronze Liquid Crystal Polymer (LCP) 28 Gbps ST4 Reel, Cut Tape, MouseReel