Samtec PCB Header QMS Series Straight Surface, 156 Contacts, 0.64 mm Pitch, 1 Row, Shrouded QMS-078-06.75-L-D-PC4

The Samtec PCB Header QMS Series model QMS-078-06.75-L-D-PC4 offers a straight surface mount connector solution for electronic components requiring high-density interconnections. With 156 contacts arranged in a single row and a pitch of 0.64 mm, this header is optimized for board-to-board applications demanding high speed and reliability.

Its housing is made of Liquid Crystal Polymer, providing excellent mechanical strength and thermal stability. The contacts are fabricated from phosphor bronze and plated with gold to enhance conductivity and prevent corrosion. This configuration supports a current of 2.6 amperes and tolerates voltages up to 300 volts, making it suitable for a wide range of electronic circuits.

The connector is shrouded, which protects the contacts and ensures secure mating. It operates effectively in harsh environments, with an operating temperature range from -55°C to 125°C, supporting industrial and commercial applications.

This PCB Header is surface-mounted with a straight orientation, featuring solder termination for solid electrical connections. The precise row pitch of 0.635 mm ensures compatibility with standard PCB layouts.

Shrouded design enhances protection and connection reliability. High-speed protocol support for up to 28+ Gbps signal transmission. Gold-plated phosphor bronze contacts provide durability and excellent conductivity. Compliant with electrical standards supporting 300V and 2.6A ratings.

Suitable for environmental extremes from -55°C to 125°C. Single row, 156 position connector for dense PCB interconnects. Surface mount with solder termination for robust mechanical and electrical integrity. Ideal for use in industrial electronics, telecommunications, and high-performance computing equipment.

This product is part of the Samtec QMS series known for rugged ground plane combo power terminal strips. It is engineered to meet the demands of industrial, manufacturing, and high-speed electronics applications where reliable, compact connectors are required.

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