| 摘要 |
A socket for electrical parts, which is mounted on a circuit board, comprises a socket body on which the electrical part is accommodated, and a plurality of contactors disposed on the socket body for establishing an electrical connection between the circuit board and the electrical part. The socket body comprises a contact unit in which the contactors are held and the contact unit is comprised of plates to be superimposed. Each plate has a plurality of through holes through each of which the contactor is inserted. A hole size of the through holes of one plate being different from that of another plate which is directly disposed on the one plate so as to form a stepped portion between the through holes of the one plate and another plate. The stepped portion is used for preventing the contactor from coming off from the contact unit.
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