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    USB Type C Panel Mount with Screw Lock

    A panel mount USB type C socket with a single screw for a screw locking cable. I could not find a good small panel mount USB type C connector that included a screw lock, so I made my own. This will also work fine with normal (not screw locking) usb C cables.

    I have included four versions of the body.

    • The parts with strain relief have an extended tab with two holes for a ziptie. You can use this to hold the cable to keep from flexing the solder joints.
      Picture showing the strain relief
    • The parts labeled 'short' place the end of the usb C connector flush with the front of the body. This makes the part shorter, but it also means that there will be a gap of ~.1" between the overmold on the USB cable and the body. This may make it tough to engage the screw lock.
    • The parts labeled 'long' set back the USB C connector so that the overmold of the USB cable will be roughly flush with the end of the body when the connector is mated.
      Picture comparing the long vs short body

    Notes

    • Threads are 3/4-10, so it will need a panel hole of .75-1". Works with panels up to .5" thick.
    • Ties both CC pins to ground through 5.1K resistors. This identifies the connector as a downstream device with a VBus voltage of 5V.
    • This device is limited to USB 2.0 speeds. The PCB only breaks out the D+ and D- data lines.
    • Correctly ties the data lines together, allows USB 2.0 cables to be inserted in either orientation.
    • Uses a simple PCB for the connector and termination resistors.
    • Can be used for both power and data, or power only.
    • The threads may be tight after printing. Run the two parts together a few times and it will loosen up.