DDMAT50S

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D-Sub Connectors refers to the connectors with D-type shapes. Among them, DDMAT50S belongs to a kind of circular D-sub connectors. It has the advantages of low contact resistance, compact structure and convenience for assembly. Thus, DDMAT50S connectors have been widely used.

Application Field

DDMAT50S connectors are mostly used in equipment of communication, aerospace, automotive and telecommunication, especially suitable for communication equipment, especially for computer systems’ internal and external connection. The main application field of DDMAT50S connectors include:

• Aviation: DDMAT50S can be used for aviation system, such as circuit system, control system, navigation system, fire control system, and etc.
• Medical Equipment: DDMAT50S connectors are suitable for medical equipment, including medical instruments, endoscope system, and other medical electromechanical systems.
• Computer System: DDMAT50S connectors are suitable for personal computers, network devices, mobile devices, and other computer systems. It is used for data transmission in the internal connection and external connection of computer system.
• Communication System: DDMAT50S connectors are widely used in communication systems, such as radio frequency, optical fiber transmission and communication systems.

Working Principle

The DDMAT50S connector consists of an insulation sleeve and a contact element. It is composed of two sets of connectors. During the connection process, the contact pins of one side are embedded into the contact holes of the other side, and the insulation shells are also connected. The contact pins and contact holes of DDMAT50S are arranged in a concentric circle according to the relevant standards. Their internal surface is plated with gold to ensure low contact resistance and excellent electrical performance. Meanwhile, self-locking performance can be achieved by using the rivet structure with a function of adhesion.

Mating Force

The mating force of DDMAT50S is the force generated between the two connectors during the mating process. It includes the axial force generated by the mating pins and the radial force generated by the contact between the two connectors. The axial force mainly depends on the spring force of the contact pins. The radial force mainly depends on the elasticity of the contact pins and the friction between the two connectors. The combination of axial force and radial force forms the mating force. The combination of proper mating force can not only ensure reliable mating, but also reduce the wear between the connectors.

Technical Characteristics

• Length of Connector Body: 13.6mm
• Connector Shell Size: 50#
• Number of Contacts: 20
• Rated Operating Voltage: 110VAC/125VAC
• Rated Operating Current: 50A
• Operating Temperature Range: -55℃~125℃
• Material of Connector Body: Copper Alloy and Nickel Silver.
• Material of Insulation Sleeve: PA66

Quality Guarantee

In order to ensure the quality of DDMAT50S connectors, the raw materials, semi-finished products and finished products are strictly tested. The contact resistance, insulation resistance, leakage current, temperature and humidity resistance, vibration performance, and durability performance shall all be guaranteed. In addition, considering that the contact pins are easily damaged in the processing process, we guarantee that the contact pins are straight, free of scratches or other defects.

Conclusion

In summary, as a kind of circular D-sub connectors, DDMAT50S connectors has reliable electrical performance, small volume and light weight. It has been widely used in communication, aerospace, automotive and telecommunication equipment. And related quality detection tests ensure the quality of DDMAT50S.

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