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CGA0402X5R224K160GT是HRE(芯声)推出的通用型多层陶瓷贴片电容(MLCC),针对小型化、低压电路设计,兼顾容量稳定性与成本优势,广泛应用于消费电子、可穿戴设备等领域。
该电容属于X5R介质通用MLCC,核心定位为低压小型化电路的滤波、耦合、去耦元件。区别于NP0(高精度小容量)、Y5V(大容量但稳定性差)介质,X5R平衡了容量密度与温度稳定性,适合多数不需要极端精度但要求容量波动可控的场景。封装采用0402(公制1005),是当前消费电子中最常用的小封装之一,可满足高密度PCB布局需求。
容值标称220nF(数码标识“224”,即22×10⁴pF=220nF),精度为±10%(标识“K”)。该精度无需额外校准,可满足电源滤波、信号耦合等通用电路的容值误差要求,避免高精度电容的成本浪费。
额定电压为16V DC,适用于3.3V、5V等低压供电系统。根据电子元件可靠性设计规范,建议工作电压不超过额定值的80%(即12.8V以下),可有效延长使用寿命,避免过压击穿风险。
采用X5R介质,温度范围覆盖**-55℃~+85℃**,容量变化范围±15%(相对于25℃基准值)。相比Y5V介质(容量变化常达-80%),X5R的温度-容量曲线更平缓,适合温度波动较大的环境(如户外设备、汽车周边电路)。
0402封装(公制1005)的具体尺寸为:长1.0±0.2mm×宽0.5±0.2mm×厚0.5±0.1mm,引脚间距约0.3mm。该封装支持回流焊、波峰焊(需控制锡量避免桥连),焊接温度符合J-STD-020标准(回流焊峰值26±5℃,持续时间≤10秒)。
采用多层陶瓷叠层结构+无引线设计,抗振动性能优于直插电容。经测试符合IEC 60068-2-6(振动:10~2000Hz,加速度1g)、IEC 60068-2-27(冲击:峰值加速度1500g,持续0.5ms)标准,适合移动设备等对机械强度要求较高的场景。
在-55℃~+85℃范围内,容量变化稳定在±15%以内,可避免因温度变化导致的电路性能波动(如滤波效果下降、信号耦合失真)。
HRE对该产品进行加速寿命测试:85℃/85%RH环境下1000小时后,容量变化≤±10%,损耗角正切(DF)变化≤±20%,符合行业可靠性标准。同时,产品无铅无卤,通过RoHS 2.0与REACH SVHC认证。
1kHz/25℃下典型值约1.5%,满足一般滤波电路的损耗要求,不会显著影响电路效率。
HRE(芯声)是国内专注MLCC研发生产的厂商,拥有10余年陶瓷电容制造经验,产品覆盖通用型、高压型、高频型等系列。该产品通过ISO 9001质量管理体系认证,提供稳定批量供货,技术支持团队可协助电路选型与优化。
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