Electrical connector having a locking device

An electrical connector having a locking device, comprising:

• a dielectric housing having a mating face and a connecting face, a receiving slot being defined along said mating face;
• a plurality of terminals being assembled to said housing;
• a pair of locking devices assembled to said housing and defining a receiving space with said housing, each locking device including:
• a locking arm connected to each end of said housing, a supporting arm connected to the same end of said housing and defining a retaining slot therein, a retaining embossment extending from an inner wall of said locking arm toward said receiving space for receiving a card therein;
• and
• a releasing device assembled to each locking device for releasing said inserted card from said locking devices, said releasing device including a base and a resilient arm extending from a side of said base, a U-shaped enclosure formed on an end of said resilient arm for enveloping a free end of said locking are, a foot extending from said base being received within said retaining slot of said supporting arm;
• wherein
• said releasing device includes a positioning pad extending from said base and having a limiting post extending upward therefrom, said resilient arm including an L-shaped tab having a tongue abutting said limiting post thereby limiting movement of said locking arm.