Samtec SS4 Series Straight Surface PCB Socket 40-Contact 2 Row 0.4 mm Pitch Solder SS4-20-3.00-L-D-K-TR

Samtec SS4-20-3.00-L-D-K-TR is a precision straight surface mount PCB socket designed for board-to-board connector applications requiring ultra fine 0.4 mm pitch. This 40-contact, 2-row socket is constructed using durable black Liquid Crystal Polymer, ensuring a slim profile and strong insulation. The contacts are made of phosphor bronze with a 0.25 µm gold plating on the contact areas for excellent electrical performance and corrosion resistance, while the tails feature matte tin plating to optimize solderability.

With a current rating of 1.3 A, this socket is optimized for low power and high speed applications common in advanced electronic assemblies. The 6 mm stacking height supports compact board stacking solutions. Its polarized design includes undercut retention notches that provide a distinct audible click on engagement, enhancing mechanical reliability and withdrawal force.

The operating temperature range of -55°C to 125°C allows for use in demanding industrial, telecommunications, computing, and other electronic applications requiring reliable, long-lasting PCB connections.

Ultra fine 0.4 mm pitch for space-saving PCB layouts. Board-to-board connection with a robust dual-row design. Black Liquid Crystal Polymer housing for excellent mechanical properties. Phosphor bronze contacts with gold plating ensure high conductivity and durability.

Surface mount termination optimized for soldering reliability. Polarized with retention notches for secure mating and demating. Wide temperature range suits industrial and commercial environments. Ideal for telecom, networking, and compact electronics assemblies.

This Samtec SS4 Series PCB socket combines fine pitch, durability, and high-speed performance making it suitable for modern electronics manufacturing requirements. Explore the full range of PCB Sockets at EnvMart for compatible components and accessories.