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TCC0402X7R683K500AT是三环电子(CCTC) 推出的一款通用型贴片多层陶瓷电容(MLCC),属于商业级标准器件。其核心定位是满足中小功率电路的滤波、耦合、去耦等基础需求,凭借小体积、稳定性能和高可靠性,广泛适配消费电子、便携设备、工业控制等多领域的紧凑设计场景。
型号命名可快速识别关键参数:
该电容的核心参数完全覆盖通用电路的基础需求,具体如下:
容值为68nF(68000pF),精度±10%。这一参数属于商业级电容的主流配置,既满足大多数电路对滤波、耦合的容值要求,又避免了高精度器件的成本溢价。实际应用中,容值波动范围在61.2nF~74.8nF之间,适配电源滤波(去除高频噪声)、信号耦合(音频传输)等场景。
额定直流电压为50V,远高于一般低压电路(3.3V、5V、12V)的工作电压,留有充足过压裕量。即使电路出现瞬间电压波动(如电源尖峰),也能避免击穿失效,提升电路可靠性。注:交流应用时耐压约为直流的70%~80%。
采用X7R陶瓷介质(MLCC应用最广泛的介质之一),特性为:
0402封装(英制),公制尺寸约1.0mm×0.5mm×0.5mm,属于超小型贴片封装。这一尺寸优势使其适配高密度PCB设计(如智能手机主板、蓝牙耳机模块),有效节省电路板空间,满足便携设备小型化需求。
该电容采用三环电子成熟的MLCC生产工艺,核心特性如下:
采用多层叠层陶瓷结构:将X7R陶瓷介质层与镍内电极交替叠压,经高温烧结形成一体化结构。这种结构不仅能在小体积下实现高容值,还能降低寄生电感(相比电解电容、独石电容),适合高频电路应用。
端电极采用银-镍-锡三层结构:内层银层提升导电性,中间镍层防止锡扩散,外层锡层兼容回流焊、波峰焊工艺。焊接后端电极与PCB焊盘结合牢固,可通过1000次温度循环测试(-55℃~+125℃)。
产品符合RoHS 2.0(无铅、无镉、无汞)、REACH等国际环保标准,满足全球市场合规要求。
TCC0402X7R683K500AT的性能匹配多领域通用电路需求,典型应用包括:
三环电子(CCTC)作为国内MLCC主流厂商,该产品具备以下优势:
为确保性能稳定,使用时需注意:
TCC0402X7R683K500AT是一款性能均衡、可靠性高的通用型MLCC,凭借小体积、稳定X7R介质、50V额定电压等特性,成为消费电子、便携设备、工业控制等领域的理想选型。三环电子的品牌背书进一步提升了产品可靠性,适合大规模量产与长期稳定应用。
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