68898-001

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A 68898-001 jack, also known as a 2.92mm jack, is a common type of modular connector used in of high-frequency circuits. The 2.92mm designation indicates the diameter of the connector, and the 68898-001 part number is the part number assigned to the electrical specifications of the jack by the Telecommunications Industry Association (TIA). In addition to standard 2.92 mm jacks, the 68898-001 series includes reversed polarity jacks, wideband jacks, and coupling jacks. The 68898-001 series jacks are commonly used in high-frequency circuits such as satellite receivers and test instruments, as well as audio, video, and data communication systems.

The 68898-001 series jacks are typically constructed of a low-loss dielectric material and feature a large concentric cylindrical contact design. The dielectric material used for the 68898-001 series jacks is typically a PTFE, polyethylene, or KAPTON material, as these materials have very low loss at high frequencies, enabling excellent performance in high-frequency applications. The large concentric cylindrical contact design also aids in achieving low loss performance at high frequencies by ensuring that the highly conductive center pin of the connector is well-aligned with the conductor of the mating cable or connector. The 68898-001 jacks are typically rated for higher power than other 2.92 mm connectors, and can transmit up to 18.6 W of power with up to 50 V of DC voltage.

The 68898-001 series jacks are typically mounted on a printed circuit board (PCB), but may also be mounted in a bulkhead or panel-mounted configuration. When the jacks are mounted on a PCB, a footprint of the connector must be created on the board. The footprint of the connector includes the signal pins and ground pins, as well as the optional mounting pins. The footprint must be designed to ensure proper contact is being made between the connector and the PCB. Once the connector is assembled, the mating cable is connected to the connector, and when the cable is mated, the ground pins of the connector make contact with the PCB’s ground plane, helping to prevent signal interference and crosstalk between signals.

The 68898-001 series jacks are also capable of being used for direct connection to a PCB. This can be accomplished either with a special adapter or with a direct-attachment connector. When a special adapter is used, the adapter is soldered to the PCB, and the 68898-001 jack is then bolted or soldered to the adapter. When a direct-attachment connector is used, the connector is soldered directly to the PCB, eliminating the need for an adapter. This eliminates the additional cost of the adapter, and makes assembly easier and faster. The 68898-001 series jacks are used in a variety of applications, from high-frequency communications systems to test and measurement applications. They are a reliable and cost-effective solution for providing high-frequency signal connections.

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