MMH25-0071R1

Series:	MM22
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Connector Usage:	--
Connector Type:	Receptacle, Female Sockets
Connector Style:	Rack and Panel
Number of Positions:	7
Number of Positions Loaded:	All
Pitch:	--
Number of Rows:	2
Number of Columns:	--
Mounting Type:	Free Hanging (In-Line)
Termination:	Solder
Contact Layout, Typical:	--
Features:	Screwlocks
Contact Finish:	Gold
Contact Finish Thickness:	50.0µin (1.27µm)
Color:	Green
Current Rating:	5A
Material Flammability Rating:	--
Operating Temperature:	--
Voltage Rating:	--

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Introduction

Backplane connectors are an essential element of the modern computing landscape. These connectors serve to link together multiple boards in parallel and provide signal, power, and control connections from one board to another. Connectors commonly used for backplane applications include specialized versions such as the MMH25-0071R1. This article will discuss the application field and working principle of the MMH25-0071R1, providing key information on its design and performance characteristics.

Application Field

The MMH25-0071R1 is a specialized backplane connector designed for applications in the telecommunications and data storage industries. It is well-suited for use in systems with high frequency performance requirements, such as in routers, switches, and modems. The MMH25-0071R1\'s enhanced ground shielding ensures that it maintains its connection integrity even in high interference environments. Additionally, its robust construction makes it suitable for a range of ruggedized applications, including military and aerospace applications.

Working Principle

The MMH25-0071R1 uses a two-piece design, consisting of an upper and a lower housing. The upper housing contains the signal contacts, while the lower contains the ground contacts. The upper housing serves the primary function of connecting the signaling lines between the two boards. The lower housing creates a grounded pathway for power and ground line connections, providing enhanced shielding and ensuring a reliable connection.As with all backplane connectors, the MMH25-0071R1 uses a press-fit assembly to create a secure connection between the two boards. The signal contact pins are first assembled into the upper housing. The upper housing is then pressed into the lower housing, locking them together with a positive retention force. This press-fit assembly ensures a secure connection, ensuring that the signal paths remain uninterrupted.The MMH25-0071R1 also features a 360-degree shielding mechanism. This feature helps to reduce EMI and RFI interference, providing additional shielding for the connected components. This shielding mechanism also reduces the interference effects of remaining radiation and fluctuations in adjacent PCBs, ensuring better signal integrity between two modules.

Conclusion

The MMH25-0071R1 is a specialized backplane connector designed for applications in the telecommunications and data storage industries. It’s robust construction and enhanced ground shielding make it suitable for a range of ruggedized applications, including military and aerospace applications. It utilizes a two-piece design with a press-fit assembly to ensure a secure connection, while its 360-degree shielding mechanism helps to reduce EMI and RFI interference. This article has provided key information on its design and performance characteristics, making it a great choice of backplane connector.

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