Molex FSB3 Series Vertical Surface PCB Socket 40-Contact 2-Row 0.4mm Pitch Gold Plated Termination

Molex FSB3 Series Vertical Surface PCB Socket 204927-0401 is a high-precision board-to-board connector designed to meet demanding electronic applications requiring compact, reliable interfacing. This product features a surface mount housing made from liquid crystal polymer that ensures mechanical stability and heat resistance for industrial and commercial electronics assemblies.

The socket contains 40 female contacts arranged in 2 rows with a fine pitch of 0.4 mm, enabling high-density circuit layouts. Contacts are crafted from copper alloy and coated with gold plating to enhance electrical performance and corrosion resistance. The connector supports currents up to 300mA and operates at voltages up to 40Vrms, suitable for signal level connections within electronic equipment.

Engineered for vertical orientation mounting, the socket maintains a slim 3 mm stacking height, allowing efficient use of PCB real estate. It operates reliably across a wide temperature range from -40°C to 125°C, making it suitable for industrial, telecommunications, computing, and instrumentation environments.

As part of the Molex FSB3 series, this socket harmonizes mechanical structure and electrical characteristics for enhanced durability and long service life. Its precise board-to-board design ensures accurate mating and multiple electrical connections, fulfilling the needs of precise signal transmission and assembly modularity.

Designed for surface mounting with vertical orientation. Features 40 female contacts across two rows. Pitch between contacts is 0.4 millimeters ensuring compact design. Made from liquid crystal polymer housing material for durability.

Gold plated copper alloy contacts provide excellent conductivity and corrosion resistance. Supports currents up to 300mA with maximum operating voltage of 40Vrms. Stacking height is 3 millimeters for slim profile applications.

Operates reliably in temperatures from -40°C to 125°C. Connector system designed for board-to-board signal connections. Manufactured in Japan under Molex FSB3 series standards.

This PCB socket is extensively used in electronics manufacturing, telecommunications hardware, industrial control systems, and computing equipment for secure and reliable board-to-board connections.

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