4STD25SJR99B30X

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D-Sub connectors, also known as D-subminiature connectors, are a group of electrical connectors that are commonly used in many industrial applications. They feature two rows of contacts arranged in a V-shape, which is what gives them their “D” shape. The specific type of D-sub connectors being discussed here is the 4STD25SJR99B30X model. This type of connector is ideal for applications that require high-speed and/or high-frequency signal transmission, such as Ethernet, ATM, and SMPTE 259E.

The 4STD25SJR99B30X model is comprised of two metal shells which house the contacts which are stamped to the shells. The metal shells are locked together using a latching mechanism, and the contacts are arranged in two rows, each with twenty-five pins. The contacts are shrouded which helps to prevent accidental contact with the pins, and the specific configuration is conducive to reducing interference between signals and providing a low-impedance connection.

In terms of the exact application field, this 4STD25SJR99B30X model is most commonly used for high-speed and/or high-frequency signal transmission. As previously stated, this includes Ethernet, ATM, and SMPTE 259E, but it can also be used for other applications. For example, it is commonly used in the aerospace, medical, military, and automotive industries for applications such as communication, electronic systems, and control systems.

In terms of the exact working principle of a D-sub connector, the 4STD25SJR99B30X model specifically is designed to provide low-impedance connections which reduce signal interference and minimize the chances of signal losses. The configuration of the pins ensures that a tight connection is made between the two shells which enhances the signal transmission. In addition, the contacts are shrouded to prevent accidental contact with the pins and physical damage to the connector. This also helps to ensure a reliable and secure connection between the two shells.

Overall, the 4STD25SJR99B30X model of D-sub connectors are a reliable and secure way to facilitate high-speed and/or high-frequency signal transmission. They feature two rows of contacts arranged in a V-shape, and their configuration provides a low-impedance connection that reduces signal interference and minimizes the chances of signal losses. This makes them an ideal option for applications such as Ethernet, ATM, and SMPTE 259E, as well as the aerospace, medical, military, and automotive industries.

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