MDM-25PCBR-2

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
Flange Feature:	Housing/Shell (Unthreaded)
Mounting Type:	Panel Mount, Through Hole, Right Angle
Contact Type:	Signal
Shell Size, Connector Layout:	0.050 Pitch x 0.100 Row to Row
Number of Rows:	2
Number of Positions:	25
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 to D-Sub Connectors and the Typical Application & Working Principle of MDM-25PCBR-2

D-sub connectors, also known as D-subminiature connectors, are one of the most commonly used electronic connectors in the world. They feature both a rugged physical design for increased durability and a reliable electrical connection. In this article, we will explore the application and working principle of a typical D-Sub connector – the MDM-25PCBR-2 – in detail.

What is a D-Sub Connector?

D-sub connectors are connector systems that provide electrical connections between computers and their peripheral devices. The name “D-sub” is an abbreviation of “double-density subminiature”. Each connector is composed of a housing, a terminal block, and metal springs or connectors for making the electrical connection. The housing and the contact block together form a unit called the socket. D-sub connectors come in several sizes, each size being defined by the number of contact positions in the connector. The smallest is HD15 (or EIA9), which stands for “high density 15 contact”. The larger sizes are increasing, in increments of 15 contacts per connector, up to the largest size which is HD180 (or EIA5). The most popular size is HD25 (or EIA23).

Application of MDM-25PCBR-2

The MDM-25PCBR-2 D-Sub connector is a 25-position connector used for enterprise-level applications. It is designed for hostile environments, and is dust and oil-resistant. It features a greater contact density than standard D-Sub connectors and a higher number of circuit paths, making it suitable for very demanding industrial and home automation applications. The MDM-25PCBR-2 is capable of carrying a higher current load than standard D-Sub connectors, and integrates easily into systems, making it a reliable and cost-effective solution.

Working Principle of MDM-25PCBR-2

The MDM-25PCBR-2 D-Sub connector is connected by a pair of male and female contacts, which slide into each other to form a connection. The contacts are made up of a pin contact, which is inserted into the connector and a receptacle contact, which is inserted into the mating part of the connector. The contacts are secured in place by screws, allowing for high mating force. The electrical connection is made via the contact springs, which are attached to the pin and receptacle contacts. The contact spring is pushed against the contact during mating, making a secure electrical connection with no loss of signal integrity. The connection is further secured by a sealing element, which ensures that no dust or particles can enter the connector and corrode the contacts.

Conclusion

D-Sub connectors are a reliable and cost-effective solution for both home and industrial applications. The MDM-25PCBR-2 D-Sub connector is a popular choice for enterprise-level applications due to its dust and oil-resistant design, high current-carrying capacity, and strong electrical connection. Its design makes it easy to integrate into a wide variety of systems, providing a secure electrical connection with maximum signal integrity.

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