第一部分、连接器的分类

背板连接器

扁平电缆连接器

RJ

RJ是Registered Jack的缩写，意思是“注册的插座”。在FCC（美国联邦通信委员会标准和规章）中RJ是描述公用电信网络的接口，计算机网络的RJ45是标准8位模块化接口的俗称。

电脑上的连接器

USB连接器

功率连接器

连接器的基本特性

大乐透周一走势图LIANJIEQIDEJIBENXINGNENGKEFENWEI：

JIXIEXINGNENG

DIANQIXINGNENG

环境性能

机械性能

1、JIULIANJIEGONGNENGERYAN，CHABALISHIZHONGYAODIJIXIEXINGNENG。CHABALIFENWEICHARULIHEBACHULI（BACHULIYICHENGFENLILI），LIANGZHEDEYAOQIUSHIBUTONGDE。ZAIYOUGUANBIAOZHUNZHONGYOUZUIDACHARULIHEZUIXIAOFENLILIGUIDING，ZHEIBIAOMING，CONGSHIYONGJIAODULAIKAN，CHARULIYAOXIAO（CONGERYOUDICHARULILIFHE WUCHARULIZIFDEJIEGOU），ERFENLILIRUOTAIXIAO，ZEHUIYINGXIANGJIECHUDEKEKAOXING。

大乐透周一走势图2、LINGYIGEZHONGYAODEJIXIEXINGNENGSHILIANJIEQIDEJIXIESHOUMING。JIXIESHOUMINGSHIJISHANGSHIYIZHONGNAIJIUXING（durability）ZHIBIAO，ZAIGUOBIAOGB5095ZHONGBATAJIAOZUOJIXIECAOZUO。TASHIYIYICICHARUHEYICIBACHUWEIYIGEXUNHUAN，YIZAIGUIDINGDECHABAXUNHUANHOULIANJIEQINENGFOUZHENGCHANGWANCHENGQILIANJIEGONGNENG（RUJIECHUDIANZUZHI）ZUOWEIPINGPANYIJU。

3、LIANJIEQIDECHABALIHEJIXIESHOUMINGYUJIECHUJIANJIEGOU（ZHENGYALIDAXIAO）JIECHUBUWEIDUCENGZHILIANG（HUADONGMOCAXISHU）YIJIJIECHUJIANPAILIECHICUNJINGDU（DUIZHUNDU）YOUGUAN。

电气性能

①JIECHUDIANZUGAOZHILIANGDEDIANLIANJIEQIYINGDANGJUYOUDIERWENDINGDEJIECHUDIANZU。LIANJIEQIDEJIECHUDIANZUCONGJIHAOOUDAOSHUSHIHAOOUBUDENG。

②JUEYUANDIANZUHENGLIANGDIANLIANJIEQIJIECHUJIANZHIJIANHEJIECHUJIANYUWAIQIAOZHIJIANJUEYUANXINGNENGDEZHIBIAO，QISHULIANGJIWEISHUBAIZHAOOUZHISHUQIANZHAOOUBUDENG。

③KANGDIANQIANGDUHUOCHENGNAIDIANYA、JIEZHINAIYA，SHIBIAOZHENGLIANJIEQIJIECHUJIANZHIJIANHUOJIECHUJIANYUWAIQIAOZHIJIANNAISHOUEDINGSHIYANDIANYADENENGLI。

④其它电气性能：

大乐透周一走势图            DIANCIGANRAOXIELOUSHUAIJIANSHIPINGJIALIANJIEQIDEDIANCIGANRAOPINGBIXIAOGUO,DIANCIGANRAOXIELOUSHUAIJIAN SHIPINGJIALIANJIEQIDEDIANCIGANRAOPINGBIXIAOGUO，YIBANZAI100MHz~10GHzPINLVFANWEINEICESHI。

            DUISHEPINTONGZHOULIANJIEQIERYAN，HAIYOUTEXINGZUKANG、CHARUSUNHAO、FANSHEXISHU、DIANYAZHUBOBI（VSWR）DENGDIANQIZHIBIAO。YOUYUSHUZIJISHUDEFAZHAN，WEILELIANJIEHECHUANSHUGAOSUSHUZIMAICHONGXINHAO，CHUXIANLEYIXIEXINXINGDELIANJIEQIRUGAOSUXINHAOLIANJIEQI，XIANGYINGDI，ZAIDIANQIXINGNENGFANGMIAN，CHUTEXINGZUKANGWAI，HAICHUXIANLEYIXIEXINDEDIANQIZHIBIAO，RUCHUANRAO（crosstalk），CHUANSHUYANCHI（delay）、SHIZHI（skew）DENG。

环境性能

①NAIWENMUQIANLIANJIEQIDEZUIGAOGONGZUOWENDUWEI200℃（SHAOSHUGAOWENTEZHONGLIANJIEQICHUWAI），ZUIDIWENDUWEI-65℃。YOUYULIANJIEQIGONGZUOSHI，DIANLIUZAIJIECHUDIANCHUCHANSHENGRELIANG，DAOZHIWENSHENG，YINCIYIBANRENWEIGONGZUOWENDUYINGDENGYUHUANJINGWENDUYUJIEDIANWENSHENGZHIHE。ZAIMOUXIEGUIFANZHONG，MINGQUEGUIDINGLELIANJIEQIZAIEDINGGONGZUODIANLIUXIARONGXUDEZUIGAOWENSHENG。

②NAISHICHAOQIDEQINRUHUIYINGXIANGLIANJIEhJUEYUANXINGNENG，BINGXIUSHIJINSHULINGJIAN。HENGDINGSHIRESHIYANTIAOJIANWEIXIANGDUISHIDU90%~95%（YIJUCHANPINGUIFAN，KEDA98%）、WENDU+40±20℃，SHIYANSHIJIANANCHANPINGUIDING，ZUISHAOWEI96XIAOSHI。JIAOBIANSHIRESHIYANZEGENGYANKE。

第三部分  连接器选型的基本原则

载流量

     ZAIXUANZEZOUDIANYUANXINHAODELIANJIEQISHIHOUDUIYULIANJIEQIDEZAILIULIANGBIJIAOGUANZHU，YAOCAIYONGJIANGESHEJI，TONGSHIZHUYIYINJIAOZHIJIANDEJUEYUANNAIYA。

结构尺寸

     LIANJIEQIDEWAIXINGCHICUNSHIFEICHANGZHONGYAODE，ZAICHANPINZHONGLIANJIEDOUYOUYIDINGDEKONGJIANXIANZHI，YOUQISHIDANBANSHANGLIANJIEQI，BUNENGYUQITABUJIANGANSHE。GENJUSHIYONGKONGJIAN、ANZHUANGBUWEIXUANZEHESHIDEANZHUANGFANGSHI（ANZHUANGYOUQIANANZHUANGHEHOUANZHUANG，ANZHUANGGUDINGFANGSHIYOUMAODING、LUODING、KAQUANHUOLIANJIEQIBENSHENKAXIAOKUAISUSUODINGDENG）HEWAIXING（ZHISHI、WANSHI，TXING，YUANXING，FANGXING）;

阻抗匹配

     YOUXIEXINHAOYOUZUKANGYAOQIU，YOUQISHISHEPINXINHAO，DUIZUKANGPIPEIYAOQIUGENGWEIYANGE，ZUKANGBUPIPEISHIHOUHUIYINQIXINHAOFANSHE，CONGERYINGXIANGXINHAOCHUANSHU。YIBANXINHAOCHUANSHUDUILIANJIEQIDEZUKANGMEIYOUTESHUYAOQIU。

屏蔽

      SUIZHETONGXUNCHANPINDEFAZHAN，EMCYUELAIYUESHOUDAOZHONGSHI，XUANZEDELIANJIEQISHIHOUXUYAOYOUJINSHUWAIQIAO，TONGSHIXIANLANXUYAOYOUPINGBICENG，PINGBICENGYAOYULIANJIEQIDEJINSHUWAIQIAOXIANGLIANJIE，DADAOPINGBIXIAOGUO，YEKEYICAIYONGZHUSUFANGFA，JIANGCHATOUBUWEIYONGTONGPIBAOGUO，XIANLANDEPINGBICENGYUTONGPIHANJIEZAIYIQI。 

防误插

      防误插有两方面：一方面是连接器本身，连接器本身旋转180度、错位错误连接导致信号错误连接，此时需要注意尽可能选择防误插连接器，或者通过调整连接器相对位置关系使装配唯一化；另一方面，出于减少物料种类考虑，几种信号都采用相同连接器，此时就可能出现将A插头插到B插座上去，此时就需要注意，如果出现这样情况时会引起严重后果（非简单告警，带有破坏性）的时候，必须将A、B接口选择为不同类型的插座（例如A为male，B为female）；

可靠性

     LIANJIEQIYONGLAILIANJIEXINHAO，YINCILIANJIEBUWEIYAOKEKAO（LIRUMIANJIECHUYAOYOUYUDIANJIECHU，ZHENKONGSHIYAOYOUYUPIANHUANGSHIDENG）

通用性

     ZAILIANJIEQIDEXUANZEGUOCHENGZHONGYAOJINKENENGXUANZETONGYONGDEWULIAO，YOUQITONGXILIECHANPINZHIJIAN，LIANJIEQIDEXUANZEJUYOUHENQIANGDETONGYONGXING，JIANSHAOWULIAOZHONGLEI，ZENGJIASHULIANGJIANGDICHENGBEN，TONGSHIJIANGDIGONGHUOFENGXIAN。

使用环境

     LIANJIEQISHIYONGYUSHIWAI、SHINEI、GAOWEN、GAOSHI、YANWU、MEIJUN、HANLENGDENGHUANJINGSHIHOU，DUILIANJIEQIDOUYOUTESHUDEYAOQIU。

插拔频率

     LIANJIEQIDECHABADOUYOUYIDINGDESHOUMING，CHABACISHUDADAOJIXIANZHIHOU，LIANJIQIDEXINGNENGJIUHUIXIAJIANG，YOUXIEXINHAOJIEKOUXUYAOJINGCHANGCHABASHIHOUXUANZELIANJIEQIDESHIHOUJIUYAODUOZHUYILIANJIEQIDECHABACISHU。

带电情况

      GENJUCHANGDAIDIANYUFOU，XUANZEZHENXINGHUOKONGXINGDELIANJIEQI。

综合考虑

大乐透周一走势图    ZAIXUANZELIANJIEQIDEGUOCHENGZHONG，GEZHONGYINSUZHIJIANBUSHIDULI，JINGCHANGHUIXIANGHUZUOYONG，YINCIWOMENZAILIANJIEQIXUANXINGGUOCHENGZHONGYAOZONGHEKAOLV，XUANZEZUIHESHIDELIANJIEQI，XUANZEDEHAOHUAIZAIBUTONGJIEDUANJIANGBUTONGCHENGDUYINGXIANGCHANPIN。