| 摘要 |
An electrical mini jack for electrically connecting an exterior pin plug to a circuit board, comprises a plurality of signal contacts, a grounding contact, an insulative housing and a base cover. The housing includes an inclined receiving portion and a hole formed together on opposite walls thereof. The grounding contact consists of a planar body portion, a tail portion extending through the base cover for soldering to an electrical circuit on the circuit board, a pair of positioning portions for orienting the contact in the housing and a spring arm perpendicularly bent with regard to the body portion for providing an increased elasticity to form a smooth contact area with the inserted pin plug. Since the spring arm of the grounding contact is received therein the receiving portion of the housing, the spring arm is located below or coplanar with an outer surface of the wall thereby avoiding the direct collision of exterior forces.
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