技术专栏
usb 4个椭圆槽孔封装,PAD最小多少,能保证加工有焊盘
7***2A
195
1
<img src=‘/uploadfiles/image/20210701/1625138443349073847.png’ title=‘1625138443349073847.png’ alt=‘MICRO_USB_5P.png’/>
槽长必须大于槽宽