MDM-31PH034K-A174

Series:	MDM
Part Status:	Active
Lead Free Status / RoHS Status:	--
1st Connector:	Plug, Male Pins
2nd Connector:	Individual Wire Leads
Type:	D-Type, Micro-D
Number of Positions:	31
Length:	0.667' (203.20mm, 8.00")
Shielding:	--
Color:	Multiple
Usage:	--
Contact Finish:	Gold
Contact Finish Thickness:	--

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Introduction

D-Sub (Data Subscriber) cables are an interface used in computing and electronics, primarily in any device featuring a serial or parallel port. They are used to connect computers to external hardware devices, such as monitors, scanners, and typewriters. One of the most common versions of the D-Sub connector is the MDM-31PH034K-A174, which offers full functionality for a wide range of applications.

Design and Structure

The MDM-31PH034K-A174 features a 9-pin, female design with a plug configuration. It has an overall dimension of 30.3 x 10.3 x 7.5 mm (or 1.19 x 0.41 x 0.30 inch). The contact pins are made from high-quality copper and plated with 16-18u” gold to ensure maximum data transmission and corrosion resistance. The pins make up a contact-and-ball-jointed electrical connection, providing reliable data transmission. The design also includes an integrated screw-type latching mechanism that helps secure the connection and prevents any accidental disconnection.

Application Fields and Working Principle

The MDM-31PH034K-A174 is commonly used in a wide range of consumer electronics and computing applications. It is particularly ideal for connecting computers to modems, printers, scanners, and similar external peripherals. The cable is also commonly used in conjunction with RS232 (a serial communications protocol), as well as in industrial and commercial applications. The cables will transmit data from one device to another using a simple electrical principle. This involves the creation of an electrical current between two cables that are connected together. The connection is sealed by the latching mechanism, allowing the electrical current to pass through the contacts without any disruption. As the current flows through the contacts, it is transmitted to the destination device, providing a reliable and secure connection.

Benefits and Disadvantages

The MDM-31PH034K-A174 D-Sub cable offers a reliable and secure connection for a wide range of applications. It is highly durable, and the integrated latching mechanism helps to ensure a tight connection. The gold plating on the contact pins also ensures maximum data transmission and a corrosion-free connection. However, the cable is relatively expensive compared to other options, such as USB cables. Additionally, the traditional 9-pin connector limits the cable’s compatibility with other devices. It is only compatible with certain types of hardware and ports, limiting its use to only specific applications.

Conclusion

The MDM-31PH034K-A174 is one of the most popular D-Sub cables used in electronics and computing applications. Its design and structure, which includes an integrated latching mechanism and high-quality copper contact pins plated with gold, ensure maximum data transmission and a reliable data connection. The cable is suitable for various applications, such as modem connections, serial communication protocols, and industrial and commercial applications. However, the cable is relatively expensive compared to other options, and its compatibility is limited to certain types of hardware and ports.

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