3)按用途分： 
射频电连接器 
密封电连接器（玻璃封焊） 
高温电连接器 
自动脱落分离电连接器 
滤波电连接器 
复合材料电连接器 
机场电源电连接器 
印制线路板用电连接器等。
2． 电连接器结构

电连接器由固定端电连接器（以下称插座），自由端电连接器（以下称插头）组成。插座通过其方（圆）盘固定在用电部件上（个别还采用焊接方式），插头一般接电缆，通过连接螺帽实现插头、插座连接。 
电连接器由壳体、绝缘体、接触体三大基本单元组成。 

J42C系列矩形印制板电连接器

J42C-7TK/ZJ              J42C-9TK/ZJ                 J42C-15TK/ZJ

J42C-21TK/ZJ             J42C-37TK/ZJ                J42C-7TK       J42C-9TK

J42C-15TK               J42C-21TK                   J42C-37TK      J42C-7ZJ

J42C-9ZJ                 J42C-15ZJ                   J42C-21ZJ

J42C-37ZJ

J42E系列矩形电连接器

J42F系列矩形电连接器

J42E-21TK                J42E-45TK              J42E-21ZJW

J42E-45ZJ                 J42E-45ZJW            J42F-21TK

J42F-61TK                 J42F-21ZJW            J42F-61ZJW

J42E-21TK                J42E-45TK              J42E-45TK

J42F-21TK

连接器

J36A-62TK/ZJ2B                J36A-74TK/ZJ2B               J36A-9TJ/ZK2B

J36A-17TJ/ZK2B                J36A-26TJ/ZK2B               J36A-38TJ/ZK2B

J36A-52TJ/ZK2B                J36A-62TJ/ZK2B               J36A-74TJ/ZK2B

J36E-9TK/ZJB                  J36E-9TK/ZJL                 J36E-17TK/ZJB

J36E-17TK/ZJL                 J36E-26TK/ZJB                J36E-26TK/ZJL

J36E-38TK/ZJB                 J36E-38TK/ZJL                J36E-52TK/ZJB

J36E-52TK/ZJL                 J36E-62TK/ZJB                J36E-62TK/ZJL

J36E-74TK/ZJB                J36E-74TK/ZJL                 J36E-9TJ/ZKB

J36E-9TJ/ZKL                 J36E-17TJ/ZKB                 J36E-17TJ/ZKL

J36E-26TJ/ZKB                J36E-26TJ/ZKL                J36E-38TJ/ZKB

J36E-38TJ/ZKL                J36E-52TJ/ZKB                 J36E-52TJ/ZKL

J36E-62TJ/ZKB                J36E-62TJ/ZKL                J36E-74TJ/ZKB

J36E-74TJ/ZKL

J36A-9TK                        J36A-9TK                J36A-17TK

J36A-17TK                       J36A-26TK               J36A-26TK

J36A-38TK                       J36A-38TK               J36A-52TK

J36A-52TK                       J36A-74TK               J36A-9TJ

J36A-9TJ                      J36A-17TJ                 J36A-17TJ

J36A-26TJ                     J36A-26TJ                 J36A-38TJ

J36A-38TJ                     J36A-52TJ                 J36A-52TJ

J36A-62TJ                     J36A-62TJ                 J36A-74TJ

J36A-74TJ                     J36A-9TK                 J36A-17TK

J36A-26TK                    J36A-38TK                 J36A-52TK

J36A-62TK                    J36A-74TK                 J36A-9TJ

J36A-17TJ                     J36A-26TJ                 J36A-38TJ

J36A-52TJ                      J36A-74TJ                J36E-9TK                 

J36E-17TK                    J36E-17TK                 J36E-26TK