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EEFSX0D471E4
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- PANASONIC EEFSX0D471E4
- Type
- PANASONIC
- Minimum package
- 3500
Technical parameters
- Electronic Component
- PANASONIC
- Electronic Component
- EEFSX0D471E4
- Electronic Component
- 1
- Electronic Component
- 470uF
- Package
- SMD,7.3x4.3mm
- Type
- Electronic Component
- Electronic Component
- Capacitor
- Electronic Component
- ±20%
- Electronic Component
- 0.225g
- Electronic Component
- 1
- Electronic Component
- BM0265565007
- Electronic Component
- 2000hrs@105℃
- Operating Temperature
- 55℃~+105℃
- Current
- 8.5A@100kHz
- Voltage
- 2V
- Capacitor
- 2mm
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
松下EEFSX0D471E4固态聚合物电容产品概述
一、核心基础参数梳理
松下EEFSX0D471E4是一款专为低电压高频场景设计的聚合物固态铝电解电容，核心参数如下：
参数项 规格值 标称容值 470μF 容值精度 ±20% 额定直流电压 2V 纹波电流（100kHz） 8.5A 等效串联电阻（ESR） 4.5mΩ（典型值） 电容类型 聚合物固态电解质 封装形式 表面贴装（SMD） 封装尺寸（长×宽） 7.3mm × 4.3mm 电容体长度 2mm 工作温度范围 -55℃ ~ +105℃ 额定寿命（105℃） 2000小时 品牌 松下（PANASONIC）二、结构与封装设计特点
该电容采用聚合物固态电解质替代传统液态电解液，这是其性能差异化的核心：
- 固态结构消除了漏液、干涸风险，避免长期使用后容值衰减；
- 电解质无流动性，提升了抗振动、抗冲击能力，适配运动/工业场景。
封装方面，采用SMD表面贴装设计，尺寸仅7.3mm×4.3mm，电容体长度2mm，属于小型化高密度封装：
- 可节省PCB空间，满足消费电子、通信设备的轻薄化需求；
- 适配自动化贴装产线，降低生产人工成本与贴装误差。
三、关键性能优势解析
3.1 低ESR与高纹波抑制能力
4.5mΩ的典型ESR是这款电容的核心优势：
- 低ESR意味着高频工作时损耗更低、发热更小，避免因过热导致的性能衰减；
- 搭配8.5A@100kHz的高纹波电流承载能力，可精准过滤电源电路中的高频纹波，保证输出电压稳定性（如快充模块、DC-DC转换电路）。
3.2 宽温域下的长期可靠性
工作温度覆盖-55℃至+105℃，且105℃高温下仍能稳定工作2000小时：
- 低温环境下（如户外传感器）容值无明显衰减；
- 高温环境下（如工业控制器）寿命远超普通液态铝电解电容，降低设备故障风险。
3.3 抗振动与抗冲击性能
固态聚合物结构无电解液流动，可承受10g以上振动和机械冲击，适合安装在无人机、手持终端、工业机械等运动场景，避免振动导致的电容失效。
3.4 小型化与高容值平衡
在7.3×4.3mm的小尺寸内实现470μF高容值，解决了“小型化”与“高容值”的矛盾——这对于智能手机、智能手表等便携式设备的电源设计至关重要。
四、典型应用场景
结合性能特点，该电容的典型应用包括：
- 消费电子：智能手机快充模块滤波、智能手表电源管理电路（小型化+低ESR适配轻薄需求）；
- 通信设备：小型基站、无线路由器的高频DC-DC转换滤波（高纹波电流保证信号稳定）；
- 工业控制：小型PLC、传感器节点电源（宽温+抗振动适应工业现场）；
- 便携式设备：移动电源、无人机电源系统（固态结构提升抗冲击可靠性）；
- 车载电子：车载娱乐系统低电压域滤波（宽温适应车内温度变化）。
五、选型与使用注意事项
为保证性能与寿命，使用时需注意：
- 电压限制：工作电压不得超过2V，避免过压击穿；
- 纹波电流控制：实际纹波电流峰值需低于8.5A（100kHz条件下），频率偏离时参考松下官方降额曲线；
- 温度管理：避免超过105℃长时间工作，否则寿命大幅缩短；
- PCB设计：焊盘尺寸匹配7.3×4.3mm封装，遵循松下推荐的回流焊温度曲线，避免热应力损坏。
松下EEFSX0D471E4通过固态聚合物技术实现了“高容值、低ESR、宽温可靠、小型化”的平衡，是低电压高频场景下电源滤波与储能的优选方案。
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