| 摘要 |
<p>An electric connector has a body 100 formed respectively with terminal insertion holes 111a and 111b, upper and lower contact groups 200a and 200b adapted to be press fitted into the terminal insertion holes 111a and 111b, respectively, a shield cover 300 surrounding an outer periphery of the body 100, and a dielectric spacer 400 attached to a rear face of the body 100. Lead portions 2014a, 2014b, etc. at rear ends of the upper and lower contact groups 200a and 200b led out of the rear face of the body 100 are aligned in one line in a widthwise direction at a pitch distance t. The dielectric spacer 400 is disposed in a blank region α in the vicinity of the terminal insertion holes 111a etc. in the rear face of the body 100. The blank region is defined by adjacent ones of the contacts with their base end sides spaced apart at a distance n x t, where n is an integer not smaller than two The invention enables impedance matching with high accuracy irrespective of an offset between different levels of contact groups.
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