| 摘要 |
A socket connector (1) for electrically connecting a CPU to a PCB includes a base (2), a cover (3) slidably mounted on the base, an actuator (4) received between the base and the cover, and a plurality of electrical contacts (5) received in the base. The base forms blocks (226, 228) at opposite lateral sides (221, 223) thereof. The blocks have different lengths along a direction of sliding of the cover on the base. The cover forms side walls (326, 328) having different lengths along said direction, corresponding to the blocks. Among a range of similar socket connectors, each socket connector has a base with unique different lengths and a cover with corresponding unique different lengths. Thus the blocks of the base can only be mated with the side walls of the correct corresponding cover. Mismating of the base with a non-matching cover, or vice versa, is prevented.
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