MDM-21SSB Connectors, Interconnects

Shell Material, Finish:	Aluminum, Yellow Chromate Cadmium Plated
Backset Spacing:	--
Contact Material:	Copper Alloy
Wire Gauge:	--
Housing Material:	Liquid Crystal Polymer (LCP)
Contact Form:	--
Color:	--
Voltage Rating:	--
Operating Temperature:	-55°C ~ 125°C
Current Rating:	3A
Material Flammability Rating:	--
Ingress Protection:	--
Contact Finish Thickness:	--
Contact Finish:	Gold
Series:	83513-Style Micro D Metal Shell (MDM)
Features:	Shielded
Termination:	Solder Cup
Flange Feature:	Housing/Shell (Unthreaded)
Mounting Type:	Panel Mount
Contact Type:	Signal
Shell Size, Connector Layout:	0.050 Pitch x 0.043 Row to Row
Number of Rows:	2
Number of Positions:	21
Connector Type:	Receptacle, Female Sockets
Connector Style:	D-Type, Micro-D
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

D-Sub Connectors (DSC) are multi-part interconnect systems designed to provide quick, reliable connection of devices with robust performance. They are often used in data and telecommunications applications, as well as rugged, harsh industrial environments. The MDM-21SSB is a high-performance, high-density, low-cost D-Sub connector, consisting of 4 components: a socket, a plug, a clip, and a tool.

MDM-21SSB Application Field

The MDM-21SSB is an ideal solution for industrial applications such as multiplexing, signal switching, and serial data communication which require high levels of performance and reliability. This particular connector is also widely used in telecommunications, computer, and instrumentation applications. The MDM-21SSB also provides excellent shock and vibration protection.

MDM-21SSB Working Principle

The working principle of the MDM-21SSB is relatively simple. The main component of the connector is the socket, which is made up of a metal shell, a dielectric insulator, and a copper centre section. The shell acts as a shield to protect the connection, and the dielectric insulator prevents any electrical contact between the signal pins and the shell. The plug is a metal rod that runs through the centre section of the socket and is connected to the signal pins on the socket. When the plug is inserted into the socket, the metal shell and the dielectric insulator protect the signal pins from outside influences. Once the plug is inserted into the socket, a clip is inserted and pressed on both sides of the socket to ensure a secure connection between the plug and the socket. The clip is made up of a spring-loaded finger that fastens the plug to the socket. The tool is designed to make it easier to insert and remove the plug from the socket.

Conclusion

The MDM-21SSB D-Sub connector is a reliable, low-cost connector, with excellent shock and vibration protection. It\'s simple operation, robustness, and high density make it a perfect solution for a variety of industrial applications. The plug, socket, clip, and tool provide reliable connection and secure fastening for the connection between the devices. With its high levels of performance and reliability, the MDM-21SSB has become the preferred D-Sub connector for many industries.

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