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CJT(长江连接器)A2012WV-S-3P是一款针对线对板连接设计的表面贴装(SMD)针座,以2mm标准间距、3针单排结构为核心,兼顾电气性能、可靠性与安装便利性,适用于多种中低功率电子设备的信号/电源连接场景。
A2012WV-S-3P属于线对板连接器系列,核心规格明确:
该产品定位为小体积、高可靠的中低功率连接组件,填补了2mm间距SMD针座在小型设备中的应用空白。
电气性能是连接器的核心指标,A2012WV-S-3P的关键参数满足多数实用场景:
触头采用黄铜(H65或类似牌号) 制作,黄铜导电率高(约28%IACS)、机械加工性好,可保证接触稳定性;表面镀锡厚度符合行业标准,既避免焊接时“吃锡”过度,又能长期保持接触可靠性(插拔过程中镀层不易脱落)。
塑料外壳选用PA6T(聚对苯二甲酰己二胺),相比普通PA6、PA66具有更优的耐高温性(长期使用温度可达120℃以上,高于产品标称的105℃)、耐化学腐蚀性与机械强度;同时通过UL94V-0阻燃等级认证,燃烧时仅产生少量有毒烟雾,符合电子设备的安全规范。
采用立贴式SMD封装,针脚垂直于PCB平面,相比卧式贴装节省更多PCB布局空间,适合小型化设备(如智能手环充电座、小型PLC模块);针脚长度与间距符合IPC标准,自动化贴装时定位精准,良率高。
A2012WV-S-3P的规格与性能使其适用于以下场景:
适配线端连接器:可与CJT同系列线端连接器(如对应线端带锁扣设计)配合使用,形成完整的线对板连接系统,提升抗振动性能。
作为CJT的主流2mm间距SMD针座,A2012WV-S-3P兼具成本优势(黄铜与PA6T的性价比高)与批量生产兼容性(符合自动化贴装要求),适合家电、工业、消费电子等领域的量产需求,是替代进口同规格产品的高性价比选择。
总结:CJT A2012WV-S-3P以2mm间距、3针立贴SMD为核心,通过黄铜锡镀层触头、PA6T阻燃外壳的设计,实现了电气性能、可靠性与安装便利性的平衡,可满足多种中低功率电子设备的连接需求。
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