Samtec STMM Series Straight Through Hole 40 Contact PCB Header 2 mm Pitch 2 Row Shrouded STMM-120-02-L-D

Samtec STMM-120-02-L-D is a premium PCB header designed for use in electronic components and power connectors that require reliable wire-to-board connections. This model features a 2 mm contact pitch and 40 contact pins arranged in 2 rows, providing a compact and efficient connection interface.

The housing is made from liquid crystal polymer, offering excellent durability and thermal resistance for demanding industrial applications. The contacts are fabricated from phosphor bronze and plated with gold, ensuring long-lasting conductivity and resistance to corrosion, which is critical in power and signal integrity.

Mounting is through hole with a straight orientation and shrouded design that aids in preventing mis-mating and provides mechanical protection. The male contacts have a tail pin length of 3 mm and a mating pin length of 3.05 mm, contributing to secure soldering and connection stability.

Rated for 3 amperes of current, it suits a variety of electrical applications including industrial and commercial PCB assemblies. Its operating temperature range from -55°C to 125°C broadens its usability in harsh environments such as manufacturing, HVAC, and other industrial settings.

This connector does not carry specific certifications but is designed to fulfill industrial standards for robustness and reliability. The series STMM is well-regarded for its precise alignment features such as a polarizing notch, ensuring proper mating with compatible connectors like TCSD series IDC socket ribbon cable assemblies.

This PCB header supports a current rating of 3A for reliable electrical performance. Constructed with a liquid crystal polymer housing for enhanced thermal and mechanical stability. Contacts are made from phosphor bronze and plated with gold to ensure excellent conductivity and corrosion resistance.

Designed for through hole mounting with a male contact gender and solder termination type. Operating temperature range from -55°C to 125°C makes it suitable for diverse environments. Tail pin length is 3 mm and mating pin length is 3.05 mm for secure connections.

Features a 2 mm row pitch and comes with a polarizing notch to ensure accurate mating. Complies with no specific standards or approvals but emphasizes robust industrial usage.

This PCB header is ideal for industrial, electronics manufacturing, laboratory, and power connector applications. It facilitates secure signal and power connections in printed circuit boards, ensuring long-term reliability in a range of environmental conditions.

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