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ST CK1E331M-CRF10 aluminum electrolytic capacitor
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ST CK1E331M-CRF10
- Type
- ST
- Minimum package
- 500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ST
- Electronic Component
- CK1E331M-CRF10
- Electronic Component
- 1
- Electronic Component
- 330uF
- Package
- SMD,D8xL10.5mm
- Electronic Component
- SMD Aluminum Electrolytic Capacitor
- Electronic Component
- ±20%
- Electronic Component
- 1.268g
- Electronic Component
- 1
- Electronic Component
- BM0230692707
- Electronic Component
- 2000hrs@105℃
- Operating Temperature
- 40℃~+105℃
- Voltage
- 25V
- Capacitor
- 8mm
- Capacitor
- 10.5mm
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
CK1E331M-CRF10 产品概述
一、概述
CK1E331M-CRF10 是先科（ST）品牌的一款贴片型铝电解电容，额定容量 330µF，允许偏差 ±20%，额定电压 25V。该器件采用 SMD 封装，电容体直径 8mm，长度 10.5mm，适用于对体积、容量和耐热性有要求的中小功率电子线路。额定工作温度范围为 -40℃ 至 +105℃，并在 +105℃ 下具有 2000 小时的寿命指标。
二、主要特性
- 额定容量大，适合去耦和储能用途（330µF ±20%）。
- 额定电压 25V，满足常见单电源轨设计需求。
- 小型贴片封装（D8 × L10.5mm），便于自动贴装与高密度 PCB 设计。
- 宽温范围与较长寿命（2000hrs@105℃），适合工业级环境。
三、技术参数（关键项）
- 容值：330µF
- 容值公差：±20%
- 额定电压：25V DC
- 工作温度：-40℃ ~ +105℃
- 使用寿命：2000 小时 @ +105℃
- 封装形式：SMD（D8 × L10.5mm）
- 品牌：ST（先科）
四、封装与机械信息
- 标称外形直径：8.0 mm
- 标称长度：10.5 mm
- SMD 贴片型设计，需在 PCB 布局时预留对应焊盘和极性标记位置。
- 极性：铝电解电容为极性器件，负极通常在电容体有标识，贴装时必须严格按极性焊接。
五、可靠性与寿命
CK1E331M-CRF10 在 +105℃ 下的寿命为 2000 小时，表示在高温苛刻条件下仍能维持设计性能。实际长期可靠性还与使用电压（建议适当降额）、纹波电流及散热条件相关。建议在高温或高纹波应用中对电容进行合适的电压与温升控制。
六、典型应用
- 开关电源滤波与输出去耦
- 稳压模块储能与平滑
- 工业控制及通信电源滤波
- 音频设备电源旁路与储能
七、使用与储存建议
- 贴装：推荐采用常规 SMD 回流工艺，遵循厂商的回流温度曲线与时序要求，避免反复高温应力。
- 降额使用：为延长寿命，建议在可能情况下对额定电压进行适度降额（常见做法为 10%~30%），并控制工作温度。
- 机械固定：在震动或有机械应力的场合可配合点胶或机械支撑以防焊点断裂。
- 储存：避免潮湿、高温及强腐蚀性气体环境，必要时采用干燥箱或干燥包装保存。
八、注意事项与兼容性
- 极性错误会导致器件失效或安全风险，设计与生产过程中务必标注清晰极性。
- 未经厂方确认，不建议在超出标称温度与电压范围的环境中长期使用。
- 若需更详细的电气参数（如 ESR、纹波电流曲线、温度落容曲线等），建议获取厂商完整数据手册以便设计验证和热管理评估。
总结：CK1E331M-CRF10 以其紧凑封装、高容量与工业级温度寿命，适合中高密度电源设计中的滤波与储能应用。合理的降额设计与良好的散热/焊接工艺可显著提高系统可靠性与使用寿命。
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