USB13.8 specification size side plug full package dustproof interface, side plug USB mother seat AF full package 13.8 with inner rubber shell and double foot plug board to fix the full package USB mother seat AF side plug model. The main length of this USB mother seat is 13.8mm, which belongs to one of the short body USB mother seats. It can be seen that the full package side plug USB mother seat has an inner rubber shell or inner rubber sleeve, which can effectively prevent dust and provide a certain degree of waterproof effect after treatment. In terms of fixed feet, it adopts double straight foot DIP plug board welding, Unlike the traditional side plug USB motherboard, this all-inclusive side plug USB motherboard does not have a T-shaped or O-shaped pin at the front end. This position is designed by our company as an interface spring to enhance its insertion and extraction damping. The spring used in this product is also different from the foldable spring used in conventional USB motherboards, as shown in the figure. Our company uses die-cast bubble point spring, which has stable insertion and extraction force in actual testing, and the bubble point is closed with the opening of the internal rubber sleeve (rubber case), It is also the principle of realizing its dust prevention,