DCMV21HA4SNA101

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D-Sub Connectors are a type of electrical connector that has been used since the 1950s in a variety of electronic equipment. The DCMV21HA4SNA101 is a commonly used D-Sub Connector with a 21-pole configuration commonly used for input/output applications. In this article, we will explore the application fields and working principle of the DCMV21HA4SNA101.

Application Fields
The DCMV21HA4SNA101 offers a wide range of application fields because of its 21-pole configuration. It’s commonly used for 8-bit LCD modules, signal transfer between different pieces of equipment, and for radio-controlled systems. It’s also used in optical scanners, timing devices, and timing circuits.

In addition to the above, this connector can also be used to connect various other components, including memory chips, photoelectric switches, and encoders to prevent noise radiation. It’s also been used in the military and aerospace industries to create lightweight, reliable connections in harsh environments.

Working Principle
The DCMV21HA4SNA101 is designed with a 9-pin main connector and a 12-pin head connector. The 9-pin connector is composed of nine signal lines. The 12-pin head connector is made up of seven power supply, three signal contacts, and two ground lines.

When the DCMV21HA4SNA101 is connected, it is held together by a pressure-resistant collet clamp. The contact between the connectors is maintained by a pair of tongue-and-groove type contacts. When the connectors are connected together, the contacts are pressed together. This produces a reliable and high-pressure contact and eliminates unwanted mechanical vibration.

In addition, the DCMV21HA4SNA101 is designed with a gas-tight O-ring seal to prevent air and moisture from entering the system. This helps improve the safety and insulation of the connection. The O-ring also helps to protect the contacts from dust, dirt, and corrosion.

The DCMV21HA4SNA101 is also designed with a ground roller that ensures that the metal parts of the system are securely grounded. This prevents potential short circuits and ensures that the electrical signals are transmitted with minimal noise and interference.

The DCMV21HA4SNA101 is a widely used D-Sub Connector due to its wide range of application fields and reliable structures. It offers a secure and reliable connection between two different pieces of equipment or components and ensures that electrical signals are transmitted with minimal noise and interference.

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