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该型号为KEMET(基美)T495系列模制固体钽电容,型号各部分对应参数如下:
核心参数汇总:
参数项 规格值 标称容值 47μF 容值精度 ±10% 额定电压 35V DC 等效串联电阻(ESR) 230mΩ(典型值@100kHz) 工作温度范围 -55℃ ~ +125℃ 封装形式 表面贴装2917/7343 结构类型 模制固体钽电容2917公制封装对应英制7343,尺寸为长7.3mm×宽4.3mm(73mil×43mil),采用表面贴装(SMD)设计,兼容常规回流焊工艺。模制外壳结构相比液态钽电容具有显著优势:
宽温环境适应性
工作温度覆盖-55℃至+125℃,在极端工况(如汽车发动机舱、工业高温车间)下,容值变化率控制在±15%以内(典型值),ESR波动小于20%,满足恶劣环境应用需求。
低ESR与高频性能
230mΩ@100kHz的典型ESR值,在同规格钽电容中属于中低水平,可有效抑制高频纹波、降低功率损耗,适合电源滤波、射频电路等对噪声敏感的场景。
高可靠性与长寿命
模制固体电解质结构避免了液态钽电容的失效风险,KEMET制造工艺确保该型号在125℃下的平均寿命可达2000小时以上(符合AEC-Q200汽车级可靠性标准),适合对可靠性要求严格的工业/汽车领域。
电压适配性
35V额定电压覆盖多数中低压系统(如12V/24V工业电源、汽车电子),避免过压击穿风险,同时满足部分升压电路的耐压需求。
该型号因参数平衡,广泛应用于以下领域:
KEMET作为全球被动元器件龙头,钽电容技术积累超过50年,T495系列是其核心产品线之一。该型号符合:
该型号凭借宽温稳定、低ESR、高可靠性等特点,成为工业、汽车、通信等领域中47μF/35V钽电容的优选方案。
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