QMS-078-05.75-H-D-PC8

Series:	Power Q2™ QMS
Packaging:	Tray
Part Status:	Active
Connector Type:	Header, Outer Shroud Contacts
Number of Positions:	172 (156 + 16 Power)
Pitch:	0.025" (0.64mm)
Number of Rows:	2
Mounting Type:	Surface Mount, Through Hole
Features:	Board Guide, Ground Bus (Plane), Power Pins (8)
Contact Finish:	Gold
Contact Finish Thickness:	30.0µin (0.76µm)
Mated Stacking Heights:	10mm, 12mm
Height Above Board:	0.212" (5.38mm)

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Introduction

The QMS-078-05.75-H-D-PC8 rectangular connectors is designed to be a multi-function connector that meets a variety of application requirements for industrial, automotive and medical applications. The connector features a high-current pin-count of 78 with a maximum current rating of 5.75A. It has both terminal and wire-to-wire applications. It is a rectangular connector, with edge type, mezzanine (board-to-board) configuration, allowing multiple connections between different printed circuit boards. The connector is highly shielded to protect against EMI/RFI and it is vibration resistant for reliable performance.

Applications Field

The QMS-078-05.75-H-D-PC8 connector offers a variety of applications for industrial, automotive and medical industries. It is designed for use in harsh environments, which makes it suitable for applications including automation equipment, robotics, lighting equipment, motor control, motion control, and machine tooling. Additionally, it is also suitable for medical applications such as patient monitors, imaging equipment, and laboratory instrumentation.

Working Principle

When the QMS-078-05.75-H-D-PC8 connector is plugged into a socket, the contact pins are automatically charged and released to secure a strong connection. The pins are designed to provide a low-resistance electrical contact ensuring a reliable, highly-conductive connection between components. The connector also provides a high degree of shielding to protect against EMI and RFI interference from external sources. The insulation material used in the connector is rated for a UL94V-0 flame rating to ensure optimal electrical performance and stability. The connector is designed with a unique locking mechanism which prevents the connector from being accidentally disconnected.

Conclusion

The QMS-078-05.75-H-D-PC8 is a multi-function connector designed to meet a wide range of application requirements across multiple industries. It is a rectangular connector, with edge type, mezzanine (board-to-board) configuration, allowing multiple connections between different printed circuit boards. It is highly resistant to EMI and RFI interference as well as vibration, making it suitable for harsh applications. It is also designed with a unique locking mechanism to prevent accidental disconnection. This connector can provide a reliable, highly-conductive connection for both wire-to-wire and terminal applications.

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