M55-7016842R

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The M55-7016842R is a 3-row, 42-position, rectangular board-to-board interconnect system designed to mate with female board-to-board connectors. It is part of the M55 family of rectangular connectors –headers male pins –and was designed to exceed the requirements of MIL-C-39029 specification. This series features alternating pin and socket contacts and it offers an increased number of pins for higher complexity circuits compared to other standard headers.

Connectors within the M55 family are useful in many different applications such as automotive, telecommunications, medical, industrial, and military. They are suitable for through-hole board connections or board stacking configurations and are designed for PCB mating; this provides improved reliability with its high contact retention force and high mating cycles. Variants include right angle SMT headers with mating vertical and horizontal SMT receptacles, as well as through-hole jackscrew options for increased mechanical strength and security.

M55-7016842R is for power and signal applications that require higher pin counts than most circuit boards can produce. By offering unique alternate row pin/socket arrangements on a 0.100″ pitch, designers are able to utilize additional board real estate in higher complexity applications. Because of the increased pin counts, careful consideration should be made to the PCB real estate when designing circuits and swapping components.

The M55-7016842R is made of high-temperature thermoplastic, which gives it many desirable properties such as superior fluorescence, ultra violet and chemical compatibility; as well as resistance to shock and vibration. Its durability is also derived from its long-lasting contacts made from electrolytic copper and high-performance insulation materials. The electrical characteristics of the M55-7016842R are top notch: impedance, insertion loss, attenuation, shielding, and return loss are all tested and meet industry standards.

The connector leverages a two-part latching system for secure mating. This offers an audible “snap” sound to reassure users that install is complete. To facilitate safe and easy installation, the connector enclosure is clearly labeled with cable orientation and wire insertion positions. In addition, design engineers can also customize the inner frame of the connector with keying options that prevent incorrect mating. Locking clips can also be used to lock the connector in place.

For applications that require a robust, high pin-count interconnect system, the M55-7016842R from the M55 family of rectangular connectors –headers, male pins –is the ideal solution.

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