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华新科(Walsin)推出的0402X474K500CT属于通用型多层陶瓷电容器(MLCC),专为高密度贴片设计的小型化电子设备打造。其型号编码清晰对应核心参数:
该产品定位中低端通用场景,兼顾体积紧凑、成本可控与性能稳定,是电子设备电源滤波、信号耦合的主流选择。
标称容值470nF(0.47μF),精度±10%,可满足多数电路对容值偏差的容忍度(如滤波电路无需超高精度)。需注意:直流偏置电压会轻微影响容值(X5R材质偏置特性较弱,10V偏置下容值衰减≤5%),实际应用中可通过并联小容值电容补偿。
直流额定电压50V,交流应用需降额(交流峰值电压建议不超过35V,避免击穿)。适用于12V、24V等低压系统的电源回路,可覆盖消费电子、工业控制等多数场景。
采用X5R陶瓷材质,温度系数定义为:-55℃至+85℃范围内,容值变化≤±15%,远优于普通Y5V材质(±20%),可适应温度波动较大的环境(如车载、户外设备)。
0402英制封装(公制1005),具体参数:
采用多层陶瓷叠层技术,内部电极以镍(Ni)为主要材料,端电极镀镍-锡合金,符合无铅无卤环保要求(RoHS 2.0、REACH合规),避免对环境和人体造成危害。
支持表面贴装技术(SMT),兼容回流焊、波峰焊:
在-55℃至+85℃工作范围内,容值变化稳定在±15%以内,可满足车载电子(-40℃至+85℃)、工业控制等场景的温度需求,避免因温度波动导致电路性能下降。
经过华新科内部1000小时高温负载测试(125℃、额定电压下),容值衰减≤5%,失效率符合行业标准(MTBF≥10⁹小时);部分批次可满足AEC-Q200汽车级认证,适合对可靠性要求较高的场景。
封装密封性好,通过IEC 60068-2-67湿热测试(85℃/85%RH下1000小时),可适应湿度变化较大的户外或工业环境,避免因受潮导致绝缘电阻下降。
华新科(Walsin)作为全球前五大MLCC制造商之一,拥有30余年被动元器件研发生产经验,产能覆盖中低端通用型至高端汽车级产品。0402X474K500CT通过:
此外,华新科提供稳定的批量供应,交货周期通常为2-4周,可满足电子厂商的量产计划。
该产品凭借体积小、性能稳定、成本可控的优势,成为电子设备电源滤波、信号耦合的高性价比选择,广泛应用于消费电子、工业控制等领域。
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WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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