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PJ-342B-TX-SMT是中国星坤(XKB Connectivity)推出的一款6脚4级3.5mm贴片式音频连接器,专为消费电子、便携式设备及车载音频系统设计,兼顾小型化、可靠性与生产效率,适配高密度PCB布局需求。
该连接器聚焦音频信号传输与输入输出集成,4级结构支持“音频输出+麦克风输入+接地”多通道集成(对应TRRS接口类型),解决单接口同时满足耳机听声与语音输入的需求。其贴片封装特性,使其成为小型化电子设备的理想选择,典型应用覆盖:
PJ-342B-TX-SMT的核心参数严格匹配消费电子应用的可靠性要求,具体如下:
参数项 规格值 连接器类型 3.5mm音频座 引脚/级数 6脚4级(TRRS) 额定电流 500mA(DC) 额定电压 30V(DC/AC) 工作温度范围 -20℃~+70℃ 外形尺寸(长×宽×高) 14mm×6.4mm×4.5mm 封装形式 SMD(贴片式) 接触件镀层 镀金(铜套+鱼叉脚)注:参数符合常规消费电子设备的供电与信号传输需求,避免过载风险。
该连接器的结构与工艺设计围绕可靠性、抗磨损、小型化三大核心展开:
PJ-342B-TX-SMT采用SMD贴片封装,适配自动化表面贴装技术(SMT),具有以下优势:
该产品由中国星坤(XKB Connectivity)生产,星坤作为专业连接器制造商,产品符合以下品质要求:
以智能手机为例,PJ-342B-TX-SMT的4级结构可同时支持耳机听音乐与语音通话,贴片封装节省内部空间;对于笔记本电脑,其小体积适配轻薄机型的窄边框设计,同时满足音频输出与麦克风输入的复合需求。在车载场景中,其宽温度范围(-20℃~+70℃)可适应车内高低温环境,稳定传输音频信号。
综上,PJ-342B-TX-SMT凭借小型化、多通道集成、高可靠性的特点,成为消费电子与便携式设备音频接口的优选方案,适配自动化生产与高密度布局需求。
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