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
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Description Datasheet Availability Pricing (TWD) 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
Series
Packaging
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header 1,275In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 850

Headers 80 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) ST4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40MM MICRO BLADE & BEAM HDR 2,494In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 925

Headers 100 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) ST4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket 248In Stock
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) SS4 Reel, Cut Tape
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header 34In Stock
1,700Expected 9/28/2026
MouseReel Available
Min.: 1
Mult.: 1
: 850

Headers 100 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) ST4 Reel, Cut Tape, MouseReel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket Non-Stocked Lead-Time 3 Weeks
Min.: 1,150
Mult.: 1,150
: 1,150
SS4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket Non-Stocked Lead-Time 5 Weeks
Min.: 1,025
Mult.: 1,025
: 1,025
SS4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket Non-Stocked Lead-Time 3 Weeks
Min.: 1,150
Mult.: 1,150
: 1,150
SS4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket Non-Stocked Lead-Time 2 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000
SS4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket Non-Stocked Lead-Time 4 Weeks
Min.: 1,150
Mult.: 1,150
: 1,150
SS4 Reel
Samtec Board to Board & Mezzanine Connectors
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 850
Mult.: 850
: 850
SS4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket Non-Stocked Lead-Time 6 Weeks
Min.: 1,025
Mult.: 1,025
: 1,025
SS4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket Non-Stocked Lead-Time 10 Weeks
Min.: 1,025
Mult.: 1,025
: 1,025
SS4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket Non-Stocked Lead-Time 8 Weeks
Min.: 1,150
Mult.: 1,150
: 1,150
SS4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket Non-Stocked Lead-Time 2 Weeks
Min.: 1,225
Mult.: 1,225
: 1,225
SS4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket Non-Stocked Lead-Time 3 Weeks
Min.: 800
Mult.: 800
: 800
SS4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket Non-Stocked Lead-Time 7 Weeks
Min.: 675
Mult.: 675
: 675
SS4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Socket Non-Stocked Lead-Time 7 Weeks
Min.: 825
Mult.: 825
: 825
SS4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header Non-Stocked Lead-Time 7 Weeks
Min.: 1,200
Mult.: 1,200
: 1,200
ST4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header Non-Stocked Lead-Time 3 Weeks
Min.: 1,025
Mult.: 1,025
: 1,025
ST4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header Non-Stocked Lead-Time 8 Weeks
Min.: 850
Mult.: 850
: 850
ST4 Reel
Samtec Board to Board & Mezzanine Connectors Non-Stocked Lead-Time 6 Weeks
Min.: 850
Mult.: 850
: 850
ST4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header Non-Stocked Lead-Time 4 Weeks
Min.: 1,125
Mult.: 1,125
: 1,125
ST4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header Non-Stocked Lead-Time 4 Weeks
Min.: 1,050
Mult.: 1,050
: 1,050
ST4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header Non-Stocked Lead-Time 5 Weeks
Min.: 1,125
Mult.: 1,125
: 1,125
ST4 Reel
Samtec Board to Board & Mezzanine Connectors 0.40 mm Micro Blade & Beam Ultra Fine Pitch Header Non-Stocked Lead-Time 10 Weeks
Min.: 1,025
Mult.: 1,025
: 1,025
ST4 Reel