DMC-MD 20 N

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Rectangular connectors are popular choice for applications when reliability and versatility are key. The DMC-MD 20 N rectangular connector series from Omron, for example, is designed for military, aerospace and other demanding applications. It is available in both metal and plastic shell versions, and includes both standard and reverse key forms. In this article, we will look at the application field and working principle of this adaptable and robust connector.

DMC-MD 20 N Applications

The DMC-MD 20 N is designed for both military and aerospace applications and is qualified to MIL-STD-810. It meets the qualification requirements for shock, vibration, temperature cycling, and humidity. The reverse key version is designed for critical environments where metal shells are required, such as aerospace and military applications. The plastic shells are suitable for a variety of harsh environmental conditions such as oil and water submersion as well as UV and moisture resistant. It also conforms to IP68 standard.

The DMC-MD 20 N is highly adaptable. It can be used in rugged and outdoor applications where resistance to chemicals and environmental conditions is necessary. It is also suitable for telecom applications such as base stations, cable boxes, and routers. It is used in medical equipment, including defibrillators and MRI systems. Additionally, the connector is found on industrial equipment such as robots and automated laboratory systems.

DMC-MD 20 N Working Principle

The DMC-MD 20 N contact arrangement consists of two sets of three to four contacts, plus an optional center contact. The outer set consists of power contacts and are flanked by signal contacts. The inner contacts are optional and available in both vertical and horizontal configurations. The pins are polarized so that the connector can only be assembled correctly.

The shell design is based on an interlocking tongue-and-groove system with an anti-rotation mechanism that provides a locked connection without the need for additional tools. The two halves are locked together with thumbscrews or a tool-less clip. It also includes a latch that locks the connector into its mating receptacle.

The connector is constructed of durable materials and is fitted with EMI/RFI shielded inserts to help eliminate high-frequency noise. The internal design also helps protect the contacts from water, dust, and debris. Additionally, the insulation and shell are designed to resist corrosion, and the connectors are built to withstand harsh temperatures.

Conclusion

The DMC-MD 20 N is a rugged and reliable rectangular connector family that is designed for reliable performance in demanding applications. It is available in both metal and plastic shells, and includes both standard and reverse key forms. It is highly adaptable and can be used for a variety of applications, from military to medical, telecom to automation. Its design includes an interlocking tongue-and-groove system, an anti-rotation mechanism, and EMI/RFI shielded inserts, providing a secure and dependable connection.

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