Multipolar connector

Abstract

The invention provides a multipolar connector in which one terminal row can be divided into a plurality of rows (row conversion) while reducing an impedance mismatch. A multipolar connector (1) which is to be insert-mounted on a printed circuit board (100) includes a terminal group (40) in which a plurality of terminals (4) are arranged in one row in contact portions (4a) with respect to terminals of a counter connector, and, while being then passed through a row converting portion (45), one terminal row (41) is divided into a plural-row portion (44) consisting of two rows (42, 43) and functioning as a connecting portion that is opposite to the counter connector, and row-converted to a substantially zigzag arrangement. The terminal group (40) includes two specific terminals (46, 47) in which, in the plural-row portion (44), the terminal width (L1) is wider than the terminal width (L2) of the contact portions (4a). The two specific terminals (46, 47) constitute a terminal pair for transmitting differential signals.

Description

technical field [0001] The present invention relates to a multi-pole connector, in particular to a multi-pole connector mounted on a printed circuit board and having a plurality of terminals for insertion and installation. Background technique [0002] In the case where a plurality of terminals for plug-in mounting of the multi-pole connector are arranged in a row at the contact parts that contact the terminals of the corresponding connector, the substrate mounting parts of the terminals for plug-in mounting are also arranged in a row and protrude outward. , and the substrate mounting portions of the terminals are inserted and soldered into through holes arranged in a row on the printed circuit board (for example, refer to Patent Document 1). [0003] Although there is a strong demand for miniaturization and multi-polarization of multi-pole connectors, there is a problem that even if the existing multi-pole connectors are to be further miniaturized and multi-polarized, the p...

AI Technical Summary

Problems solved by technology

[0005] In a multi-pole connector, even if a plurality of terminals are arranged in a row at the contact part that is in contact with the terminal of the corresponding connector, by dividing a row of terminals into two rows in the vicinity of the substrate mounting part and converting it into a staggered arrangement, The limitation caused by the pitch of the through holes can be alleviated, and the pitch of the terminals can be further narrowed, so that the multi-pole connector can be further miniaturized and multi-polarized. However, in recent years, most of the terminal groups include terminals for transmitting high-speed differential The terminals of the signal are equal. This terminal pair is formed by using two adjacent terminals as a pair. If the terminal column is divided into two columns from one column, the following problem will occur. That is, on this part, The distance between the terminal pairs increases, the electrical connection state deteriorates, and impedance mismatch occurs, making it impossible to transmit high-speed differential signals efficiently.

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