电子连接线是连接电气线路的组件之一，主要是在器件与组件、组件与机柜、系统与子系统之间起电连接和信号传递的作用，并且保持系统与系统之间不发生信号失真和能量损失的变化，其品质好坏关系到系统设备整体运作的可靠性，属于主机厂商的重要配套产品，其技术特性受下游行业的技术发展影响很大。一个完整的连接器产品一般要经过设计、制造和封装/组装三个过程。

以下是对HRS DF22系列电子线的分析

DF33C系列DF33C-10DP-3.3DSA电子线
     3.3mm Pitch Small Size Connectors for Internal Power Source
    特点:                         
       1. 5A电流
       2. 安全的锁定机构
       3. 防止误嵌合
       4. 精确的板上布局
       5. 支持树脂密封
       6. 防止短路
       7. 卓越的接触保持力
       8. 防止脱锡功能
       9. 简单的嵌合操作性
      10. 灼热丝认证（通过IEC 60695-2-11认证）



本系列的产品列表明细：

Part Number	Part Number	Part Number
DF33A-2022SC	DF3-8S-2C	DF3E-4P-2H(54)
DF33A-2022SCF(40)	DF3-8S-2DSA(25)	DF3E-4P-2V(21)
DF33C-10DP-3.3DSA(24)	DF3-8S-2DSA(55)	DF3E-4P-2V(24)
DF33C-10DS-3.3C	DF3-9EP-2A	DF3E-4P-2V(51)
DF33C-10RDS-3.3	DF3-9EP-2C	DF3E-4P-2V(54)
DF33C-12DP-3.3DSA(24)	DF3-9P-2DS(01)	DF3E-5P-2H(24)
DF33C-12DS-3.3C	DF3-9P-2DSA(01)	DF3E-5P-2H(54)
DF33C-12RDS-3.3	DF3-9S-2C	DF3E-5P-2V(21)
DF33C-2P-3.3DSA(24)	DF3-9S-2DSA(25)	DF3E-5P-2V(24)
DF33C-2RS-3.3	DF3-9S-2DSA(55)	DF3E-5P-2V(51)
DF33C-2S-3.3C	DF3-EP2428PC	DF3E-5P-2V(54)
DF33C-3P-3.3DSA(24)	DF3-EP2428PCA	DF3E-6P-2H(21)
DF33C-3RS-3.3	DF3-EP2428PCF	DF3E-6P-2H(24)
DF33C-3S-3.3C	DF3-EP2428PCFA	DF3E-6P-2H(51)
DF33C-4DP-3.3DSA(24)	DF3-TA22HC	DF3E-6P-2H(54)
DF33C-4DS-3.3C	DF3-TA2428HC	DF3E-6P-2V(21)
DF33C-4P-3.3DSA(24)	DF3A-10P-2DS	DF3E-6P-2V(24)
DF33C-4RDS-3.3	DF3A-10P-2DSA	DF3E-6P-2V(51)
DF33C-4RS-3.3	DF3A-11P-2DS	DF3E-6P-2V(54)
DF33C-4S-3.3C	DF3A-11P-2DSA	DF3E-7P-2H(21)
DF33C-5P-3.3DSA(24)	DF3A-12P-2DS	DF3E-7P-2H(24)
DF33C-5RS-3.3	DF3A-12P-2DSA	DF3E-7P-2H(51)
DF33C-5S-3.3C	DF3A-12P-2DSA(26)	DF3E-7P-2V(24)
DF33C-6DP-3.3DSA(24)	DF3A-13P-2DS	DF3E-7P-2V(51)
DF33C-6DS-3.3C	DF3A-13P-2DSA	DF3E-7P-2V(54)
DF33C-6P-3.3DSA(24)	DF3A-14P-2DS	DF3E-8P-2H(21)
DF33C-6RDS-3.3	DF3A-14P-2DSA	DF3E-8P-2H(54)
DF33C-6RS-3.3	DF3A-15P-2DS	DF3E-8P-2V(21)
DF33C-6S-3.3C	DF3A-15P-2DSA	DF3E-8P-2V(24)
DF33C-8DP-3.3DSA(24)	DF3A-2P-2DS	DF3E-8P-2V(51)
DF33C-8DS-3.3C	DF3A-2P-2DS(16)	DF3E-8P-2V(54)
DF33C-8RDS-3.3	DF3A-2P-2DS(20)	DF3E-9P-2V(24)
DF3-14S-2C	DF3A-2P-2DSA	DF3EA-10P-2H(21)
DF3-14S-2DSA(25)	DF3A-2P-2DSA(10)	DF3EA-10P-2H(51)
DF3-14S-2DSA(55)	DF3A-2P-2DSA(16)	DF3EA-10P-2V(21)
DF3-15EP-2A	DF3A-2P-2DSA(17)	DF3EA-10P-2V(51)
DF3-15EP-2C	DF3A-2P-2DSA(18)	DF3EA-11P-2H(21)
DF3-15P-2DS(01)	DF3A-2P-2DSA(19)	DF3EA-11P-2H(51)
DF3-15P-2DSA(01)	DF3A-3P-2DS	DF3EA-11P-2V(21)
DF3-15S-2C	DF3A-3P-2DS(10)	DF3EA-11P-2V(51)
DF3-15S-2DSA(25)	DF3A-3P-2DSA	DF3EA-12P-2H(21)
DF3-15S-2DSA(55)	DF3A-3P-2DSA(10)	DF3EA-12P-2H(51)
DF3-22SC	DF3A-3P-2DSA(16)	DF3EA-12P-2V(21)
DF3-22SCC	DF3A-3P-2DSA(18)	DF3EA-12P-2V(51)
DF3-22SCF	DF3A-4P-2DS	DF3EA-13P-2H(21)
DF3-22SCFC	DF3A-4P-2DSA	DF3EA-13P-2H(51)
DF3-2428S2-24A9-300(05)	DF3A-4P-2DSA(10)	DF3EA-13P-2H(54)
DF3-2428SC	DF3A-5P-2DS	DF3EA-13P-2V(21)
DF3-2428SCC	DF3A-5P-2DSA	DF3EA-13P-2V(51)
DF3-2428SCF	DF3A-5P-2DSA(14)	DF3EA-14P-2H(21)
DF3-2428SCFC	DF3A-6P-2DS	DF3EA-14P-2H(51)
DF3-2428SCFC(07)	DF3A-6P-2DSA	DF3EA-14P-2V(21)
DF3-2EP-2A	DF3A-6P-2DSA(10)	DF3EA-14P-2V(51)
DF3-2EP-2C	DF3A-7P-2DS	DF3EA-15P-2H(21)
DF3-2P-2DS(01)	DF3A-7P-2DSA	DF3EA-15P-2H(51)
DF3-2P-2DS(22)	DF3A-7P-2DSA(10)	DF3EA-15P-2H(54)
DF3-2P-2DSA(01)	DF3A-7P-2DSA(16)	DF3EA-15P-2V(21)
DF3-2S-2C	DF3A-8P-2DS	DF3EA-15P-2V(51)
DF3-2S-2C(10)	DF3A-8P-2DSA	DF3EA-2P-2H(21)
DF3-2S-2C(16)	DF3A-9P-2DS	DF3EA-2P-2H(24)
DF3-2S-2C(18)	DF3A-9P-2DSA	DF3EA-2P-2H(51)
DF3-2S-2DSA(25)	DF3AA-10EP-2C	DF3EA-2P-2V(21)
DF3-2S-2DSA(55)	DF3AA-11EP-2C	DF3EA-2P-2V(24)
DF3-3EP-2A	DF3AA-12EP-2C	DF3EA-2P-2V(51)
DF3-3EP-2C	DF3AA-13EP-2C	DF3EA-2P-2V(54)
DF3-3P-2DS(01)	DF3AA-14EP-2C	DF3EA-3P-2H(21)
DF3-3P-2DSA(01)	DF3AA-15EP-2C	DF3EA-3P-2H(24)
DF3-3P-2DSA(30)	DF3AA-2EP-2C	DF3EA-3P-2H(51)
DF3-3S-2C	DF3AA-3EP-2C	DF3EA-3P-2V(21)
DF3-3S-2C(10)	DF3AA-4EP-2C	DF3EA-3P-2V(51)
DF3-3S-2C(18)	DF3AA-5EP-2C	DF3EA-3P-2V(54)
DF3-3S-2DSA(25)	DF3AA-6EP-2C	DF3EA-4P-2H(21)
DF3-3S-2DSA(55)	DF3AA-7EP-2C	DF3EA-4P-2H(24)
DF3-4EP-2A	DF3AA-8EP-2C	DF3EA-4P-2H(51)
DF3-4EP-2C	DF3AA-9EP-2C	DF3EA-4P-2H(54)
DF3-4P-2DS(01)	DF3E-10P-2H(21)	DF3EA-4P-2V(21)
DF3-4P-2DSA(01)	DF3E-10P-2H(24)	DF3EA-4P-2V(24)
DF3-4S-2C	DF3E-10P-2H(54)	DF3EA-4P-2V(51)
DF3-4S-2C(10)	DF3E-10P-2V(21)	DF3EA-5P-2H(21)
DF3-4S-2DSA(25)	DF3E-10P-2V(24)	DF3EA-5P-2H(51)
DF3-4S-2DSA(55)	DF3E-10P-2V(51)	DF3EA-5P-2V(21)
DF3-5EP-2A	DF3E-10P-2V(54)	DF3EA-5P-2V(51)
DF3-5EP-2C	DF3E-11P-2V(21)	DF3EA-6P-2H(21)
DF3-5P-2DS(01)	DF3E-12P-2V(24)	DF3EA-6P-2H(51)
DF3-5P-2DSA(01)	DF3E-12P-2V(54)	DF3EA-6P-2V(21)
DF3-5S-2C	DF3E-14P-2H(24)	DF3EA-6P-2V(24)
DF3-5S-2DSA(25)	DF3E-15P-2H(51)	DF3EA-6P-2V(51)
DF3-5S-2DSA(55)	DF3E-15P-2V(54)	DF3EA-6P-2V(54)
DF3-6EP-2A	DF3E-2428SCF	DF3EA-7P-2H(21)
DF3-6EP-2C	DF3E-2428SCFC	DF3EA-7P-2H(51)
DF3-6P-2DS(01)	DF3E-2P-2H(21)	DF3EA-7P-2V(21)
DF3-6P-2DSA(01)	DF3E-2P-2H(24)	DF3EA-7P-2V(24)
DF3-6S-2C	DF3E-2P-2H(51)	DF3EA-7P-2V(51)
DF3-6S-2DSA(25)	DF3E-2P-2H(54)	DF3EA-8P-2H(21)
DF3-6S-2DSA(55)	DF3E-2P-2V(21)	DF3EA-8P-2H(51)
DF3-7EP-2A	DF3E-2P-2V(24)	DF3EA-8P-2H(54)
DF3-7EP-2C	DF3E-2P-2V(51)	DF3EA-8P-2V(21)
DF3-7P-2DS(01)	DF3E-2P-2V(54)	DF3EA-8P-2V(51)
DF3-7P-2DSA(01)	DF3E-3P-2H(21)	DF3EA-9P-2H(21)
DF3-7S-2C	DF3E-3P-2H(24)	DF3EA-9P-2H(51)
DF3-7S-2C(10)	DF3E-3P-2H(54)	DF3EA-9P-2V(21)
DF3-7S-2C(16)	DF3E-3P-2V(21)	DF3EA-9P-2V(51)
DF3-7S-2DSA(25)	DF3E-3P-2V(24)	DF3E-4P-2H(54)
DF3-7S-2DSA(55)	DF3E-3P-2V(51)	DF3E-4P-2V(21)
DF3-8EP-2A	DF3E-3P-2V(54)	DF3E-4P-2V(24)
DF3-8EP-2C	DF3E-4P-2H(21)	DF3E-4P-2V(51)
DF3-8P-2DS(01)	DF3E-4P-2H(24)	DF3E-4P-2V(54)
DF3-8P-2DSA(01)	DF3E-4P-2H(51)	DF3E-5P-2H(24)
DF1B-20DES-2.5RC	DF1B-8DP-2.5DS(01)	DF1BZ-26DP-2.5DS
DF1B-20DP-2.5DS(01)	DF1B-8DP-2.5DSA(01)	DF1BZ-26DP-2.5DSA
DF1B-20DP-2.5DSA(01)	DF1B-8DS-2.5RC	DF1BZ-28DP-2.5DS
DF1B-20DS-2.5RC	DF1B-8EP-2.5RC	DF1BZ-28DP-2.5DSA
DF1B-20P-2.5DS(01)	DF1B-8ES-2.5RC	DF1BZ-2P-2.5DS
DF1B-20P-2.5DSA(01)	DF1B-8P-2.5DS(01)	DF1BZ-2P-2.5DSA
DF1B-20S-2.5R	DF1B-8P-2.5DSA(01)	DF1BZ-30DP-2.5DS
DF1B-22DEP-2.5RC	DF1B-8S-2.5R	DF1BZ-30DP-2.5DSA
DF1B-22DES-2.5RC	DF1B-9EP-2.5RC	DF1BZ-34DP-2.5DS
DF1B-22DP-2.5DS(01)	DF1B-9ES-2.5RC	DF1BZ-34DP-2.5DSA
DF1B-22DP-2.5DSA(01)	DF1B-9P-2.5DSA(01)	DF1BZ-36DP-2.5DS
DF1B-22DS-2.5RC	DF1B-9S-2.5R	DF1BZ-36DP-2.5DSA
DF1B-2428PC	DF1B-R24	DF1BZ-3P-2.5DS
DF1B-2428PCF	DF1B-R24A(06)	DF1BZ-3P-2.5DSA
DF1B-2428SC	DF1B-R24F	DF1BZ-40DP-2.5DS
DF1B-2428SCA	DF1B-R24FA(06)	DF1BZ-40DP-2.5DSA
DF1B-2428SCF	DF1B-R26	DF1BZ-4DP-2.5DS
DF1B-2428SCFA	DF1B-R26A(06)	DF1BZ-4DP-2.5DSA
DF1B-2428SCFA(05)	DF1B-R26F	DF1BZ-4P-2.5DS
DF1B-24DEP-2.5RC	DF1B-R26FA(06)	DF1BZ-4P-2.5DSA
DF1B-24DES-2.5RC	DF1B-R28	DF1BZ-5P-2.5DS
DF1B-24DP-2.5DS(01)	DF1B-R28A(06)	DF1BZ-5P-2.5DSA
DF1B-24DP-2.5DSA(01)	DF1B-R28F	DF1BZ-6DP-2.5DS
DF1B-24DS-2.5RC	DF1B-R28FA(06)	DF1BZ-6DP-2.5DSA
DF1B-24PR	DF1B-T2428HR	DF1BZ-6P-2.5DS
DF1B-24PRF	DF1B-T2428PHR	DF1BZ-6P-2.5DSA
DF1B-26DEP-2.5RC	DF1B-TA2022PHC	DF1BZ-7P-2.5DS
DF1B-26DES-2.5RC	DF1B-TA2022SHC	DF1BZ-7P-2.5DSA
DF1B-26DP-2.5DS(01)	DF1B-TA2428PHC	DF1BZ-8DP-2.5DS
DF1B-26DP-2.5DSA(01)	DF1B-TA2428SHC	DF1BZ-8DP-2.5DSA
DF1B-26DS-2.5RC	DF1B-TA30PHC	DF1BZ-8P-2.5DS