MD1-21SL2

Shell Material, Finish:	--
Backset Spacing:	--
Contact Material:	Copper Alloy
Wire Gauge:	--
Housing Material:	Diallyl Phthalate (DAP), Glass Filled
Contact Form:	--
Color:	--
Voltage Rating:	--
Operating Temperature:	-55°C ~ 150°C
Current Rating:	3A
Material Flammability Rating:	--
Ingress Protection:	--
Contact Finish Thickness:	--
Contact Finish:	Gold
Series:	MD
Features:	--
Termination:	Wire Leads
Flange Feature:	Housing/Shell (Unthreaded)
Mounting Type:	Panel Mount
Contact Type:	Signal
Shell Size, Connector Layout:	0.050 Pitch x 0.043 Row to Row
Number of Rows:	2
Number of Positions:	21
Connector Type:	Receptacle, Female Sockets
Connector Style:	D-Type, Micro-D
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	--

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## IntroductionD-Sub connectors are an important type of connector most often used in computers and electronic equipment. They consist of two or more parallel rows of metallic pins or sockets mounted in a rectangular or square plastic housings. They are commonly seen in a variety of applications, from wiring panels in aircraft to assembly of electrical components for consumer applications. The MD1-21SL2 connector is among the most popular used in applications like PCs, consumer electronics, industrial machines, and military applications.## Types of MD1-21SL2 ConnectorsThe MD1-21SL2 connector is one of the D-Sub connectors with two rows of nine of 10 pins and sockets. It is a popular connector since it allows for the transfer of many types of signals, from low-frequency input to high-frequency digital data. It is often used to connect the computer to its keyboard, optical drives, or other peripherals.## Application MD1-21SL2 Connectors can be used in a variety of applications. In the automotive and industrial area, they are used for interconnections between computers and various electrical devices, such as engines, fans, and alternators. In the consumer electronic field, they are used in mobile phones, digital cameras, and computers. The connectors are also used widely in communication devices, military applications, and robotic devices.## Working PrincipleThe MD1-21SL2 connectors are composed of two or more parallel rows of pins and sockets. The orientation of the two rows is such that the sockets are on the opposite side of the pins. Each row of pins and sockets consists of 9 to 10 pins and sockets arranged in pairs. The pins are typically plated with gold or silver for increased conductivity. The contacts making up the MD1-21SL signal connections are designed to maintain a secure connection and prevent signal loss and interference.The signal connections are made through the contact ends of the pins when they are inserted into the sockets. The connection is held in place by the plastic housing which also serves to protect the pins and sockets from dirt, moisture, and mechanical stress. The connection is further enhanced by the presence of a conductive gasket which ensures the signal connection is maintained even when the connector is subjected to vibration.## PerformanceMD1-21SL2 connector are designed for reliable signal transmission in a variety of settings. They provide good electrical and mechanical performance in demanding high-frequency applications. The connectors are designed to operate within a wide range of frequencies, from low-frequency input signal up to high-frequency digital data signals.The connectors provide excellent crosstalk and attenuation characteristics, providing superior signal integrity when compared with other connector types. They are also designed with environmental protection considerations in mind, providing protection against extreme temperatures, shock, and vibration. Additionally, the contact plating ensures good conductivity and a long operating life for the connectors.## ConclusionThe MD1-21SL2 connector, a type of D-Sub connector, is a popular choice for a wide range of applications. It is composed of two rows of pins and sockets which provide reliable signal connections when inserted. The gasket ensures that the connection is maintained even in high-vibration environments. The gold plated pins and sockets provide excellent electrical and mechanical performance, making the MD1-21SL2 connectors suitable for a variety of applications.

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