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muRata GRM155R62A104KE14D
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
18
specifications
Core information
- Product name
- mu Rata GRM155R62A104KE14D
- Type
- MURATA
- Minimum package
- 10000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MURATA
- Electronic Component
- GRM155R62A104KE14D
- Electronic Component
- 1
- Electronic Component
- 100nF
- Package
- 0402
- Electronic Component
- SMD Capacitor(MLCC)
- Electronic Component
- ±10%
- Electronic Component
- 0.015g
- Electronic Component
- 1
- Electronic Component
- BM0229472535
- Electronic Component
- X5R
- Voltage
- 100V
- Electronic Component
- Electronic Component
- Electronic Component
- 10000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
GRM155R62A104KE14D 产品概述
一、基本参数与型号简介
GRM155R62A104KE14D 为 muRata（村田）生产的贴片多层陶瓷电容（MLCC），封装为 0402（尺寸代号 GRM155），标称电容 100nF（104），容差 ±10%（K），额定电压 100V，介质材料为 X5R。此器件为非极性、无源贴片元件，通常以卷盘方式供货，适用于高密度 SMT 工艺。
二、主要特性
- 容值/精度：100nF ±10%，适用于一般去耦与滤波场合。
- 额定电压：100V，适合中高压直流/脉冲回路使用（需关注电压系数）。
- 介质：X5R，温度范围及容量稳定性优于Y5V类，但仍存在温度依赖与老化。
- 封装：0402，小尺寸便于高密度布局，但在电流承受与抗机械应力方面有限。
- 低 ESR/低 ESL 的典型 MLCC 特性，可用于快速瞬态响应的去耦。
三、典型应用
- 开关电源的输入/输出滤波、去耦与旁路。
- 中低功率 DC-DC 变换器的输出滤波。
- 模拟前端的局部去耦与高频噪声抑制。
- 对电压等级和脉冲能量有要求的电子设备中作为分布式电容使用。
四、设计与选型注意事项
- DC 偏压导致电容有效值下降：X5R 在高电场下会出现明显容量衰减，设计时应考虑偏压影响并留有裕量。
- 温度与老化：X5R 在 -55 ~ +85°C 范围内有容值变化，且存在随时间缓慢下降的老化效应，关键应用需预留裕量。
- 封装限制：0402 对应较小的电极与介质厚度，脉冲电流与热耗散能力有限，不适合做高纹波电流或高能量吸收元件。
- 机械应力敏感：贴片陶瓷电容易受焊接冷却不均或板弯曲影响而开裂，PCB 布局应避免在焊盘附近有应力集中。
五、焊接与可靠性建议
- 建议采用符合 JEDEC 推荐的回流焊曲线进行安装，控制预热和峰值温度与时间。
- 焊盘设计应遵循厂商推荐的 land pattern，以减小应力与焊接缺陷。
- 存储与前处理：防潮包装下保存，长时间储存后建议烘烤以去湿再回流。
- 对于关键应用，可考虑电压降额（derating）和冗余并联或串联方案以提高可靠性。
六、选型建议
在需要高电压同时又希望 PCB 面积最小化的场合，GRM155R62A104KE14D 提供了一个体积小、容值较大的方案。但若电路存在高脉冲能量或较大纹波电流，应评估器件的电流承受能力并考虑更大封装或专用薄膜/铝电解电容作为补充。最终选型请参考厂商数据手册中的详细电气特性、温漂曲线及老化信息，并在样机阶段进行实测验证。
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