M85049/89-23N03

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Circular Connectors - Backshells and Cable Clamps are one of the most common connectors used in aerospace, defense and automotive industries. M85049/89-23N03 is a type of rectangular connector designed for high frequency applications and provides reliable performance for MIL-C-85049/89-N03 where specific applications require it. Generally, the M85049/89-23N03 can be used in avionics, power and test instrument or audio/video signal transfer applications.

The connector features contact mating diameters of 0.080”, 0.040” and 0.025”, and can also be specified to mate with an additional fifth size of 0.025”, making it ideal for applications requiring high-density multiple contact connections. The contact housings are thermoplastic-molded with gold plated brass pins, providing excellent durability while making the connection extremely reliable. The M85049/89-23N03 has a mated rectangular shaped profile of 23.6mm x 15.1mm, which is slightly smaller than the N01 version, which has a profile of 26.2mm x 19.9mm and its enhanced size offers easier access to mating, and a better fit in large spaces.

The M85049/89-23N03 is designed for use in high frequency applications by providing push on contact retention. There is also a second type of contact retention which uses springs for increased resistance to vibration. In addition, the connector features a universal shell construction which provides both vapor and air sealing. This allows the connector to be used in a wide range of applications including undersea communications, wiring harnesses, and other high vibration environments. The connector is also RoHS compliant, making it safe for use in industrial and medical applications.

The working principle of M85049/89-23N03 is quite simple. Basically, when two compatible contacts are mated, they form an electrical connection by aligning their pins, either by contact with the contact of the connector’s internal spring, or by connecting with the internal seal. This provides a complete electrical connection as long as the mating contacts are compatible. Since the M85049/89-23N03 utilizes a push on contact retention system, the connection is held together in high vibration environments, ensuring reliable performance.

The M85049/89-23N03 is the most suitable choice for high frequency applications that require a reliable connection and a small profile. The use of a universal shell construction offer protection against vibration, making it ideal for use in a wide range of applications. With excellent pin contact performance, RoHS compliant materials, and an easy to use push on contact retention system, this circular connector is a perfect choice for military, aerospace and other reliable communication applications.

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