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Molex 0039281023是Mini-Fit Jr 5566系列下的板至电缆/导线连接器,作为Molex成熟的通用型连接方案,其设计兼顾可靠性与适配性,广泛应用于工业、电信及通用电子设备领域。
Mini-Fit Jr系列是Molex针对中小功率连接需求开发的经典产品线,以紧凑结构、稳定性能为核心特点。0039281023属于该系列的公形引脚接头,采用散装包装(适合小批量原型或灵活采购),零件状态为有源(可正常供应),基本产品编号关联003928,是该系列下2位规格的标准型号。
该连接器为2位(2排)设计,配接排距为0.165英寸(4.20mm),满足小空间内的连接需求;所有针位均加载,无需额外配置空针,降低装配复杂度。
配备4墙遮蔽护罩,可有效减少电磁干扰(EMI),提升信号传输稳定性,尤其适配电信等对EMI敏感的场景;护罩结构同时增强针脚保护,降低碰撞损坏风险。
采用通孔(Through-Hole)安装,适配标准PCB板的通孔焊接工艺,连接可靠性高,适合工业设备的长期稳定运行;绝缘高度为0.504英寸(12.80mm),可兼容多数PCB板的厚度与布局空间。
端接方式为焊接,触头柱长0.138英寸(3.50mm),保证焊接时的接触面积与强度;紧固类型为锁销滑道,可与配接的母形连接器实现可靠锁合,防止振动环境下的松脱(如工业自动化设备)。
触头采用黄铜材质,兼具良好的导电性与机械强度;配接端与柱端均镀锡,镀层厚度约35µin(0.90µm),锡镀层优势在于焊接性优异、抗氧化性强,可降低长期使用中的接触电阻变化。
绝缘部分采用聚酰胺(PA66,尼龙6/6),天然颜色,材料可燃性等级为UL94 V-2,满足基本阻燃安全要求;PA66耐温范围广(-40℃至100℃左右),耐化学腐蚀性能良好,适合工业环境的复杂工况。
0039281023的设计特性使其适配多类场景:
其2位规格适合小功率传输需求(如低电压直流电源、数字信号),紧凑结构可节省设备内部空间。
作为Mini-Fit Jr 5566系列的子型号,0039281023可与同系列同排距(4.20mm)的母形连接器配接(需参考Mini-Fit Jr系列选型手册确认对应母头型号);散装包装支持灵活采购,适合小批量生产或原型验证,有源状态确保供应稳定性。
整体而言,Molex 0039281023以紧凑设计、可靠连接与广泛适配性,成为中小功率板线连接的实用选择,兼顾性能与成本平衡,适合多行业的标准连接需求。
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