Samtec TMM Series Straight Through Hole Pin Header, 40 Contacts, 2 mm Pitch, 2 Row, Unshrouded TMM-120-03-L-D

Samtec TMM-120-03-L-D is a premium straight through hole pin header designed to support reliable electronic connections in various industrial and commercial applications. Featuring 40 male contacts arranged in 2 rows with a 2 mm pitch, this unshrouded header is built for versatility and efficiency on printed circuit boards.

The housing material is Liquid Crystal Polymer, providing excellent dimensional stability and resistance to thermal stress across a wide operating temperature range from -55°C to 125°C. Gold-plated phosphor bronze contacts enhance electrical conductivity and protect against corrosion, ensuring long-term reliable signal transmission.

This pin header supports a current rating of 3 amps and a maximum voltage rating of 281 volts, suitable for a wide range of low-profile pin counts and terminal lengths. The product incorporates FleXYZ™ technology, enabling design flexibility in all three axes up to four rows wide and 200 pins, facilitating customized PCB layouts.

Ideal for through-hole mounting with solder termination, the pin header has a tail pin length of 2.7 mm and mating pin length of 4 mm, making it compatible with standard wire-to-board connector systems in a straight vertical orientation.

Current rating of 3A supports reliable electrical performance in demanding circuits. Gold-plated phosphor bronze contacts ensure corrosion resistance and optimal conductivity. Liquid Crystal Polymer housing offers excellent heat resistance and durability.

Operating temperature range from -55°C to 125°C suits harsh environmental conditions. FleXYZ™ technology provides design flexibility for varied PCB configurations. Consistent 2 mm pitch and 2 row layout for standard PCB compatibility.

Through-hole solder termination for secure mechanical and electrical connection. Unshrouded design allows easy access and simplified installation. Tail pin length of 2.7 mm and mating pin length of 4 mm enhance connection reliability.

This Samtec TMM series pin header is widely used in electronic components manufacturing, industrial control systems, telecommunications, and instrumentation. Its robust construction and flexible design make it ideal for laboratory, manufacturing, and commercial applications requiring durable wire-to-board connections.

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