Samtec MTMM-120-09-G-D-385 PCB Header Connector

Samtec MTMM-120-09-G-D-385 is a two-row, 40-pin male PCB header connector intended for through-hole mounting. As part of the MTMM family, this header provides a compact, robust interface designed to connect with matching female headers or sockets for board-to-board or board-to-cable interconnections in development, instrumentation, and embedded systems. The through-hole construction offers solid mechanical retention and reliable solder joints suitable for both prototype and production environments. With 40 positions arranged in two rows, it enables a practical balance of density and accessibility for signal wiring in compact assemblies. The MTMM-120-09-G-D-385 designation identifies a specific configuration frequently cataloged by Samtec and carried by major distributors, reflecting availability across regional listings. When selecting mating components, buyers should verify compatibility with the corresponding MTMM-series female headers or contact housings to ensure correct pin alignment and electrical performance. This header supports straightforward insertion into a PCB footprint and a durable, repeatable connection when soldered, making it a dependable choice for systems requiring a dependable 2×20 through-hole interconnect.