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TCC0402X5R475M100AT是三环电子(CCTC) 推出的一款小体积、高可靠性多层陶瓷贴片电容(MLCC),专为低电压、高密度电路设计,核心参数满足消费电子、物联网等领域的常规滤波、耦合需求。以下从产品信息、参数、特性、应用等维度展开概述。
该产品属于三环电子“TCC”系列MLCC,型号各部分含义清晰:
容值为4.7μF(475代码),精度±20%(M级),属于MLCC通用精度等级。该容值适合大多数电源滤波场景(如10μF以下去耦电容搭配),精度满足一般电路耦合、旁路需求,无需高精度场合的额外成本。
额定直流电压为10V,适用于3.3V、5V等低电压系统(留有20%以上安全裕量)。需注意:实际工作电压需低于10V,避免过压导致陶瓷介质不可逆击穿。
X5R材质温度范围为**-55℃~+85℃**,容值变化率≤±15%。相比Y5V材质(容值变化±20%以上)稳定性更高,相比NP0(C0G)材质(容值变化≤±0.05%)虽稳定性略低,但能在小体积下实现更大容值,是“性能与体积平衡”的典型选择。
采用0402英制封装(公制1005),是小型电子设备最常用封装之一。尺寸(长×宽)1.0mm×0.5mm,厚度0.5mm(典型值),适配绝大多数小型贴片机(如YAMAHA、JUKI小间距贴装头),支持高密度PCB设计(如智能手机主板多层板)。
多层陶瓷电容结构,数十层陶瓷介质与金属电极交替叠层,两端引出镍-锡镀层电极(无引脚),表面平整无凸起,适合回流焊工艺(焊接温度峰值260℃左右,符合MLCC焊接要求)。
TCC0402X5R475M100AT的小体积、低电压特性,使其成为以下场景理想选择:
总结:TCC0402X5R475M100AT是性价比突出的小体积MLCC,适合低电压、常规温度环境下的滤波、耦合需求,三环电子的品牌保障使其可靠性具备竞争力,是消费电子、物联网等领域的常用选型。
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