DEMMD9SC

Shell Material, Finish:	Steel, Yellow Chromate Plated Zinc
Backset Spacing:	--
Contact Material:	Copper Alloy
Wire Gauge:	--
Housing Material:	Polycyclohexylenedimethylene Terephthalate (PCT)
Contact Form:	Machined
Color:	Black
Voltage Rating:	--
Operating Temperature:	-55°C ~ 150°C
Current Rating:	7.5A
Material Flammability Rating:	UL94 V-0
Ingress Protection:	--
Contact Finish Thickness:	50.0µin (1.27µm)
Contact Finish:	Gold
Series:	24308-Style, D*MM
Features:	Mounting Brackets
Termination:	Solder
Flange Feature:	Mating Side, Female Screwlock (4-40)
Mounting Type:	Panel Mount, Through Hole, Right Angle
Contact Type:	Signal
Shell Size, Connector Layout:	1 (DE, E)
Number of Rows:	2
Number of Positions:	9
Connector Type:	Receptacle, Female Sockets
Connector Style:	D-Sub
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

D-Sub connectors are connectors used in computer hardware for signal and power connections between two or more devices. The most common type of connector is the DE-9M (also known as the DB-9M, or male pin D-sub connector). It has nine pins and is used most commonly for serial connections. Other less common types of D-sub connectors include the DB-15M, DB-25M, DB-37M, and DB-50M. These connectors have either 15, 25, 37, or 50 pins respectively.

Application Field

The DE-9M D-sub connector is used in a wide variety of applications. It is commonly used in printer and joystick cables. It is also popular in serial communications, networking, and video connections. It is an ideal choice for high-speed and high-performance data connections.The DB-15M is commonly used in analog video connections. It is also popular for KVM (keyboard, video, and mouse) cables. The DB-25M is used for parallel communications and networking. The DB-37M is commonly used for multimedia connections, including MIDI (Musical Instrument Digital Interface). The DB-50M is used for digital video connections, such as DVI (Digital Video Interface).

Working Principle

A D-sub connector is made of two interconnecting parts: the male and female connectors. The male connector, also known as the plug, has protruding pins which are inserted into the female connector, which is also known as a socket or receptacle. The female connector has slots or holes into which the pins of the male connector are inserted. The pins of the male connector are held in place by friction, while the slots in the female connector are held in place by a spring or latch mechanism.When mated, the pins from the male connector are inserted into the slots in the female connector. This creates an electrical connection between the two. Depending on the type of connector, the electrical connection may be a single point-to-point connection or a multi-point connection, allowing for more than two devices to be connected.

Conclusion

D-Sub connectors, such as the DE-9M, DB-15M, DB-25M, DB-37M, and DB-50M, are used in a variety of applications for signal and power connections. The working principle of a D-sub connector is simple. A male connector with protruding pins is inserted into a female socket with corresponding slots. When mated, an electrical connection is established between the pins and slots, forming a point-to-point or multi-point connection.

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