1689873 Connectors, Interconnects

Features:	Board Lock, Grounding Indents
Backset Spacing:	0.370" (9.40mm)
Contact Material:	Copper Alloy
Wire Gauge:	--
Housing Material:	Polyester, Glass Filled
Contact Form:	--
Color:	--
Voltage Rating:	125V
Operating Temperature:	-55°C ~ 125°C
Current Rating:	5A
Material Flammability Rating:	UL94 V-0
Ingress Protection:	--
Contact Finish Thickness:	--
Contact Finish:	Gold
Shell Material, Finish:	Steel, Yellow Chromate Plated
Series:	--
Termination:	Solder
Flange Feature:	Housing/Shell (M3)
Mounting Type:	Through Hole, Right Angle
Contact Type:	Signal
Shell Size, Connector Layout:	3 (DB, B)
Number of Rows:	2
Number of Positions:	25
Connector Type:	Plug, Male Pins
Connector Style:	D-Sub
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

D-Sub Connectors, otherwise known as DB connectors or D-subminiature connectors, are electrical connectors used for the transfer of electrical signals between two printed circuit boards. The common type of D-Sub connector consists of two or more plugs of varying pin numbers, from 9 to 50, that fit together and are held in place via screws and a metal shell. D-sub connectors are commonly used in a variety of applications, including computers, industrial machinery, test equipment, avionics, and more.

1689873 D-Sub Connector Application Fields and Working Principle

Application Fields

D-Sub connectors are commonly used in a variety of applications, including computers, industrial equipment, test equipment, avionics, military, and more. In the computer industry, D-Sub connectors are often used for transferring data between the computer and its peripherals, such as the mouse and keyboard. In the industrial equipment field, D-Sub connectors are used in industrial robots and automated processes. In avionics, they are used to connect the aircraft\'s avionics system to its various components, such as the cockpit instrumentation and the autopilot system. In the military, D-Sub connectors are used in communications systems, navigation systems, and more.

Working Principle

The D-Sub connector typically consists of two or more plugs with differing pin numbers, from 9 to 50. The two plugs are held together using screws and a metal shell. Each pin in the D-Sub connector is a contact that is connected to the wire in the cable that is used to transmit an electrical signal. The contacts are made of metal, and they are placed in a predetermined order based on the type of signal being transmitted. Depending on the application, the contacts may be configured in either a parallel or a serial configuration. When the plugs are mated together, the contacts will line up and make a connection allowing the electrical signal to be transmitted. The metal shell of the D-Sub connector helps to keep the contacts together and protect them from any external forces. Additionally, D-Sub connectors often have a built-in locking mechanism that helps to ensure a secure connection.

Conclusion

D-Sub connectors are commonly used in a variety of applications and are an important part of the modern electronic infrastructure. The basic principle behind the D-Sub connector is the connection of two or more plugs of varying pin numbers, which is held in place with screws and a metal shell. The contacts in the connector are placed in a predetermined order based on the type of signal being transmitted, and they can be configured in either a parallel or a serial configuration. Additionally, D-Sub connectors often have an integrated locking mechanism to ensure a secure connection.

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