DDMM-50S-M

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D-Sub Connectors

D-Sub connectors are high performance, cost-effective solutions used for many industrial applications and computer peripherals. They are commonly used for panel and board-level connections in commercial and industrial electronics, such as in computers, test instruments, or scientific equipment. DDMM-50S-M is a type of D-Sub connector that is widely used in applications where shielding is needed for multi-channel data transmission.

Application field of DDMM-50S-M Connector

The DDMM-50S-M connectors are used in a variety of applications, including communications networks, computer and audio/video equipment, medical systems, instrumentation, automotive and aerospace applications. It is suitable for connecting high-speed and low-power signal transmission such as a USB interface, Ethernet, RS232 interface, etc. The connector is widely used for the shielding of sensitive signals, and its strong shell structure can effectively reduce EMI interference.

Working Principle of DDMM-50S-M Connector

The DDMM-50S-M is a dual-channel D-Sub connector with two coaxial cables distributed in the same connector shell. It contains a mating shell and two onserts that can be plugged into the socket as well as two coaxial cables that can be inserted into the board or box. When the oninserts are connected to the socket, the electrical connection is completed. The two pins can be connected to the signal source and the two coaxial cables can be connected to the signal terminal.

The mating shell shields the two pins and two coaxial cables from the external environment, reducing the possibility of interference. The shielding effect of the DDMM-50S-M connector relies on the metal shell. The shell is connected to the ground to reduce the interference of the external electric field and the electrostatic potential. Moreover, it ensures the stability of the system in terms of mechanical connection and shielding.

In addition to the shielding effect of the shell structure, the interference protection provided by DDMM-50S-M is also improved through secondary current blocking technology. The two signal lines are separately connected to each oninsert, and the contacts of each oninsert are also divided to form a current blocking boundary, making it difficult for high frequency current to flow between the two lines, thereby further improving electromagnetic compatibility and signal quality.

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