| 摘要 |
An electrical connector can be mounted on a printed circuit board, including an insulating main body, and electrical terminals disposed on the printed circuit board. Tin balls are provided on the electrical terminals and a metal piece is provided on the lower surface of the insulating main body. The metal piece protruding from the lower surface of the insulating main body can be soldered on the printed circuit board. The electrical connector according to the present invention is provided with a metal piece on and protruding from the lower surface of the insulating main body. The metal piece can be soldered on the printed circuit board to enhance the retention strength between the electrical connector and the printed circuit board to prevent the tin balls provided on the electrical terminals from breaking away the printed circuit board because the electrical connector can move away from its center of gravity and then tilts relative to the printed circuit board during reflow soldering. Consequently, normal electrical conduction between the electrical connector and the printed circuit board can be ensured.
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