QMS-078-01-L-D-EM2

Series:	Power Q2™ QMS
Packaging:	Tray
Part Status:	Active
Connector Type:	Header, Outer Shroud Contacts
Number of Positions:	156
Pitch:	0.025" (0.64mm)
Number of Rows:	2
Mounting Type:	Board Edge, Straddle Mount
Features:	Ground Bus (Plane), Mating Guide
Contact Finish:	Gold
Contact Finish Thickness:	10.0µin (0.25µm)
Mated Stacking Heights:	--
Height Above Board:	--

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Introduction

QMS-078-01-L-D-EM2 is a line of rectangular connectors earned by Hirose Electric Co., Ltd. The connectors come from their DF9 Series which are arrays, edge type, mezzanine (board to board). They have a very specific purpose, and that\'s to allow boards to be linked in a safe and efficient manner.

Application Field

QMS-078-01-L-D-EM2 is ideal for use in a variety of applications, such as automotive systems, medical equipment, and audio/Video devices. They are specifically designed for both easy assembly and high density routing, making them perfect for increasingly more complex electronics. The quality of the connectors is industry-leading, making them perfect for applications where accuracy and tight tolerances are required.

Working Principle

QMS-078-01-L-D-EM2 connectors use Hirose\'s innovative HDM (High Density Mating) technology which allows for a high number of connection points in a small housing. The technology assumes that every connection point requires a different shape, so that space is utilized as efficiently as possible. The shape allows it to be firmly mated when inserted, and the high-density arrays mean that components within the board are connected in a more cost and time efficient manner. The connector additionally has a metal shell that adds extra stability when mounted, making it great for use in a wide variety of environments.

Features

QMS-078-01-L-D-EM2 connectors come with a number of features that make them perfect for use in a wide variety of applications. Firstly, since it utilizes HDM technology, it\'s able to reach a much higher density than standard connectors. It\'s also significantly smaller than what standard connectors usually come in, meaning it takes up less space and is less bulky. Additionally, the metal shell of the connector is designed to have an improved LGA (Low Insertion Force) feature, which means that components can be connected with a minimal amount of effort. The connectors also have Hirose\'s UL flammability rating, meaning it has a very low risk of catching fire. This makes it perfect for use in situations where the risk of fire is a significant factor.

Conclusion

QMS-078-01-L-D-EM2 is a line of rectangular connectors from Hirose Electric Co., Ltd. The connectors come from their DF9 series and are specifically designed for both ease of assembly and high density routing, making them perfect for increasingly more complex electronic components. The use of HDM (High Density Mating) technology allows for increased density in a small housing, and the metal shell of the connector adds an extra layer of stability when mounted. Additionally, the connectors have Hirose\'s UL flammability rating, making them perfect for use in situations where a low risk of fire is necessary. In conclusion, QMS-078-01-L-D-EM2 connectors are ideal for use in a variety of applications, such as automotive systems, medical equipment, and audio/Video devices.

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