摘要
有机固体电解质钽电容器具有等效串联电阻(Res)小,温和的失效模式和高频特性好等特点,在很多电子信息领域都显示出独特的优势。结合传统钽电解电容器的失效机理和大量的统计实验结果,对有机电解质钽电容器的失效模式进行了详细分析,指出了介质氧化膜的晶化及导电聚合物膜层失效是导致有机钽电容器失效的主要因素,并提供了相应的解决方案,为高可靠性片式有机钽电容器的生产提供了技术支撑。
The organic solid electrolytic tantalum capacitors with a small Res, benign failure mode and excellent high frequency characteristics, have shown unique advantages in many electronic information fields. Based on the failure mechanisms of traditional solid electrolytic tantalum capacitors and a large number of statistical experimental results, a detailed of failure mode of organic electrolyte tantalum capacitors was analyzed. It is shown that the crystallization of dielectric oxide film and degradation of conductive polymer film are the main factors to lead polymer tantalum capacitors to fail, and the corresponding solutions are provided, which can provide the technical support for high reliability organic solid electrolytic tantalum capacitors production.
出处
《电子元件与材料》
CAS
CSCD
2015年第5期23-26,共4页
Electronic Components And Materials
基金
贵州省科学技术基金项目资助(No.J2013-2303)
贵阳市科技计划项目资助(No.20134018-1)
关键词
导电聚合物
电解电容器
晶化
失效
漏电流
等效串联电阻
conductive polymers
electrolytic capacitors
crystallization
failure
leakage currents
equivalent serial resistances
