MDM-51PH314K

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:	Wire Leads
Flange Feature:	Cable Side, Male Jackscrew (2-56)
Mounting Type:	Panel Mount
Contact Type:	Signal
Shell Size, Connector Layout:	0.050 Pitch x 0.043 Row to Row
Number of Rows:	3
Number of Positions:	51
Connector Type:	Plug, Male Pins
Connector Style:	D-Type, Micro-D
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

D-Sub connectors (also known as D-subminiature connectors) are a type of electrical connector commonly used in personal computers and computing equipment. They are named after their characteristic “D” shaped metal shield. They are typically used to interface two electronic devices. The most popular version of this type of connection is the 15-pin male and female interconnection. These types of connections are often referred to as a “hot link”, as they are widely used to connect two or more points on an electrical circuit.

MDM-51PH314K application field and working principle

The MDM-51PH314K D-Sub connector is a miniature, high frequency, sealed connector developed specifically for extreme environmental applications. It can be used for short runs and long runs providing data rates up to 37 GHz. It is ideal for applications such as broadcast equipment, mobile radio, scientific and medical equipment, high speed sensing and communication links. The MDM-51PH314K features an ultra-low, 50 Ohm impedance design, with a maximum return loss of 0.7 dB, reducing inserted loss between mating elements. It is designed to provide a secure connection and reduce the need for patching. The superior materials used in construction result in a reliable connection at high frequencies and in extreme environments. An excellent RF shielding performance of up to 95 dB is achieved by the use of an advanced magnetically conductive nickel-plated shell and contact design. The small form factor of the MDM-51PH314K enables it to fit into areas where larger connectors can’t, making it ideal for applications in confined spaces, such as portable electronics and remote sensing devices. In addition, it can be mated with standard edge cards and sockets from a variety of manufacturers. The working principle of the MDM-51PH314K is to provide high current exchange through the contact plates which passes through the dielectric substrate to provide a reliable connection. The design of the contact plates allows them to be easily and precisely machined, providing for reliable electrical performance across a wide range of frequencies. The contact surfaces are gold plated to provide a high level of wear and corrosion resistance, ensuring the connection will remain reliable for extended periods. When mated, the connector is held in place via friction locks, providing a secure connection.

Conclusion

The MDM-51PH314K D-Sub connector is designed specifically for environments requiring extreme performance. Its 50 Ohm impedance, coupled with a maximum return loss of 0.7 dB, enables reliable operation in a wide range of frequencies. Its small form factor makes it suited for a variety of applications in confined spaces. Its superior materials make it resistant to abrasion and corrosion, providing a reliable connection over extended periods. When mated, the friction locks keep the connection secure.

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