M85049/1821N08

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Circular Connectors - Backshells and Cable Clamps are a special type of electrical connectors that provide protective covers to the connectors as well as secure and seal the connections to minimize environmental damage to the contacts. The M85049/1821N08 is one example of such connector specific to mil-spec applications. This article will discuss the application fields and working principle of the M85049/1821N08 connector.

The M85049/1821N08 circular connector is an ideal option for a variety of mil-spec applications due to its all-in-one construction. Its military grade construction allows it to be resistant against rigorous conditions like high-vibration, harsh environmental hazards, and extreme temperature. This connector is often used in military and aerospace applications such as avionics, weapon systems, ground-support systems, simulators, robotics, and communication systems. Additionally, with its optimal seal capabilities, the M85049/1821N08 connector secures connections to prevent water or dust infiltration.

With its all-in-one construction, the M85049/1821N08 offers integrated components that conform to the military performance requirements. It consists of a rear mounting shell, internal shell, removable center contact module, interlocking housing and cable strain relief. The removable center contact module has three components including rear contacts, front contacts, and jam nuts. The rear mounting shell provides EMI/RFI shielding and strain relief features while the internal shell provides a mated pair of the contact module.

The rear contacts consist of simple solder tails that provide the electrical connection within the back shell. This design allows the connector to be connected and disconnected repeatedly while maintaining reliability in transmission. Moreover, the locking mechanisms of the jam nuts provide redundant environmental protections against dust and water intrusions. The front-and-rear cable clamp design facilitates easy and quick cable assembly with the added advantage of providing cable strain relief. It is capable of operating from -55°C to +125°C with a continuous vibration of 10g’s for 6 hours and 20,000 mating & unmating cycles.

The M85049/1821N08 Circular Connector is a special type of electrical connector developed for military and aerospace applications. It is constructed as an all-in-one design consisting of multiple components including a rear mounting shell, internal shell, removable center contact module, interlocking housing and cable strain relief. The rear contacts are composed of solder tails for electrical transmission while the reversible locking jam nuts provide additional protection against water and dust intrusions. The front-and-rear cable clamp design also contributes to the connector’s reliable performance with its integrated features of easy cable assembly and strain relief. With its military grade properties, the M85049/1821N08 connector is ideal for avionics, weapon systems, ground-support systems, simulators, robotics, and communication systems.

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