Fci, Inc.

Mitsubishi Cable Industries, Ltd.

Makoto Enari

Yoshikazu Tanaka

Shinji Yamaguchi

Yukifumi Machida

Tetsu Hirose

In an electrical connector assembly, housings are locked with each other by locking a rear holder provided in a first connector with a cooperating second connector. In a rear holder main bodyof a rear holderthere are formed a plurality of resilient clamping lanceswhich clamp connection terminalsinserted into respective terminal receiving holesformed in a housing main body. At a middle upper portion of the rear holderthere is provided a resilient locking arm, and a locking clawis formed on the locking arm. When the housing main bodyis inserted into a housing main bodyof a cooperating connector, connection terminalsandare coupled with each other. The locking clawprovided on the locking armof the rear holderis engaged with a locking portionof the housing main bodyof the cooperating second connector.

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Tokyo, Japan

Makoto Enari