212542-2 Connectors, Interconnects

Mounting Type:	Free Hanging (In-Line)
Note:	Contacts Not Included
Color:	Blue
Dielectric Material:	Polyester, Glass Filled
Mating Cycles:	--
Operating Temperature:	--
Ingress Protection:	--
Shell Finish Thickness:	--
Shell Material, Finish:	Brass, Gold Plated
Features:	--
Flange Feature:	Housing/Shell (Unthreaded)
Series:	AMPLIMITE 109
Contact Type:	Signal and Coax or Power
Shell Size, Connector Layout:	4 (DC, C) - 27W2
Number of Rows:	2
Number of Positions:	27 (25 + 2 Coax or Power)
Connector Type:	Receptacle for Female Contacts
Connector Style:	D-Sub, Combo
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

D-Sub miniature connectors, also known as D-shaped connectors, are a type of electrical connector used to join components in computers, telecommunications and other electronics systems. They come in various sizes, shapes and configurations to suit different application areas. The 212542-2 is one such variant in the D-Sub family. This article will look at the application areas of the 212542-2, as well as its working principle.

Application Fields

The 212542-2 D-Sub is suited to applications such as communication switching and backplanes, test and measurement systems, machine control, motor control, data acquisition systems, high-density termination boards, and general interconnects. The 212542-2 features a robust construction that allows it to withstand vibration in challenging environments. The contacts are formed from copper alloys, with specialized gold or silver coating for optimal conductivity and reliability. The connectors also have a low electrical resistance to minimize inductance, firing resistance, and ground and signal potential drop—all of which are essential for pristine signal transmission between devices.

Working Principle

The working principle of a 212542-2 D-Sub connector follows the same principles as other D-Sub connectors. This means it utilizes a combination of mechanical and electrical connection between two mating components. The 212542-2 features two sets of contacts, which are inserted into separate housings from each other. When the two housings are fitted together, the contacts come into contact and form an electrical connection. The contacts create a reliable, low-resistance electrical path that is essential for seamless signal transmission between devices. The 212542-2 also features a nickel-plated zinc diecast shell, which provides durability and reliable extrusion protection. This shell helps guard against accidental contact with the electrical contacts, which can result in short circuits and other problems. The shell also helps provide protection against physical damage, such as bending, twisting, abrasion and shock.

Conclusion

The 212542-2 D-Sub connector is a reliable and robust solution suited for a variety of applications. It features a robust construction, specialized gold or silver contact coating, low electrical resistance, and a nickel-plated zinc diecast shell for extrusion protection. Its electrical and mechanical connection provides a low-resistance, reliable connection between two mating components for optimal signal transmission.

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Part Number	Manufacturer	Price	Quantity	Description