WMSIC Electronic Components

TDK C1005X5R0J475MTJ00E

ModelC1005X5R0J475MTJ00E
Package0402
BrandTDK
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

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Technical data

Product details

16 specifications

Core information

Product name
TDK C1005X5R0J475MTJ00E
Type
TDK
Minimum package
10000

Technical parameters

Electronic Component
TDK
Electronic Component
C1005X5R0J475MTJ00E
Electronic Component
1
Electronic Component
4.7uF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±20%
Electronic Component
0.012g
Electronic Component
1
Electronic Component
BM0228535682
Electronic Component
X5R
Voltage
6.3V
Electronic Component
10000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

C1005X5R0J475MTJ00E 产品概述

一、产品简介

TDK C1005X5R0J475MTJ00E 为 0402(公制 1005)尺寸的多层陶瓷贴片电容(MLCC),额定电容 4.7 µF,额定电压 6.3 V,标称精度 ±20%,介质类型为 X5R。该型号以体积小、容值较大、适合高密度贴装为特点,常用于空间受限的移动终端、电源去耦与旁路等场合。

二、主要电气参数

  • 容值:4.7 µF(标称)
  • 精度:±20%
  • 额定电压:6.3 V DC
  • 介质:X5R(-55°C 至 +85°C)
  • 封装:0402(1005英制)
    这些参数决定了器件在一般工作条件下的电气行为,但实际电容会受温度、交流/直流偏压(DC bias)及频率影响。

三、性能特点

  • 体积利用率高:在 0402 小尺寸下实现较大容量,便于高密度 PCB 布局。
  • 温度稳定性适中:X5R 在 -55°C 到 +85°C 范围内具有相对稳定的介电特性,适合普通工业与消费类电子环境。
  • 响应速度快:适合电源去耦与高频旁路,能有效抑制瞬态干扰。
  • 注意 DC bias 效应:高介电常数材料在施加接近额定电压时电容会下降,设计时应参考 TDK 的 DC bias 曲线以评估实际可用容量。

四、典型应用

  • 手机、平板、可穿戴设备等便携式终端的电源去耦与储能。
  • 高密度主板与模块的局部旁路/滤波。
  • 电源管理 IC(PMIC)周边的输入/输出滤波。
  • 任何对体积和贴装密度有严格要求的消费电子与工业电子产品。

五、封装与机械特性

0402 封装尺寸极小,对贴装设备精度和 PCB 制程有较高要求。该尺寸器件对机械应力、焊接应力与板端热循环敏感,易受弯曲或冲击导致微裂纹。建议在布局时避免靠近 PCB 边缘、螺丝孔或热应力集中区域,必要时采用减震/加固措施。

六、选型与使用建议

  • 设计裕量:考虑制造公差(±20%)、温度系数与 DC bias 叠加影响,应预留足够裕量,不应仅以标称 4.7 µF 作为最终有效容量判断。
  • 参考曲线:在关键电源轨或对容值敏感的场合,务必查阅 TDK 数据手册中的容量随电压/温度/频率的变化曲线。
  • 并联使用:若单颗在工作条件下容量不足,可采用并联多颗以增加有效电容并改善 ESR/ESL 表现。
  • 封装权衡:若对 DC bias 敏感且板面允许,考虑使用更大封装或低损耗介质以获得更稳定的实用容量。

七、焊接与储存注意事项

  • 回流焊:遵循 TDK 推荐的回流温度曲线,避免超温或重复高温循环。典型的最高峰值通常为 260°C 左右,详细请参照资料。
  • 防潮与烘烤:长期暴露在潮湿环境后,焊接前可能需按规范进行烘烤以避免焊接缺陷。
  • 机械保护:贴装与维修过程中避免用硬物直接压迫器件,防止发生微裂纹导致失效。

八、小结

TDK C1005X5R0J475MTJ00E 是一款适合高密度电子产品的 0402 大容量 MLCC,提供 4.7 µF / 6.3 V 的解决方案。其优点是体积小、适合紧凑布局,但需在设计时充分考虑 X5R 的温度特性、DC bias 效应及微裂纹风险。正确的选型、合理的裕量设计与规范的贴装工艺,能确保该器件在产品中发挥稳定可靠的去耦与滤波功能。

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