WMSIC Electronic Components

muRata GRM188Z71E225KE43D

ModelGRM188Z71E225KE43D
Package0603
BrandmuRata
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 Date code within 2 years

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
mu Rata GRM188Z71E225KE43D
Type
MURATA
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MURATA
Electronic Component
GRM188Z71E225KE43D
Electronic Component
1
Electronic Component
2.2uF
Package
0603
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.034g
Electronic Component
1
Electronic Component
BM0227647533
Electronic Component
X7R
Voltage
25V
Electronic Component
Electronic Component
Electronic Component
4000

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

GRM188Z71E225KE43D — 25V 2.2µF X7R 0603 贴片多层陶瓷电容(村田)

一、产品概述

GRM188Z71E225KE43D 是村田(muRata)生产的一款贴片多层陶瓷电容(MLCC),规格为 2.2µF ±10%、额定电压 25V,温度特性为 X7R,封装为 0603(1608公制)。该型号在体积小、容值相对较高的前提下,兼顾温度特性与成本,常用于电源去耦、旁路和滤波等场合。

主要参数:

  • 容值:2.2µF
  • 精度:±10%(标称)
  • 额定电压:25V DC
  • 温度特性:X7R(-55℃~+125℃,容量随温度变化在规定范围内)
  • 封装:0603(1.6 mm × 0.8 mm)
  • 品牌:muRata(村田)

二、主要特性与优势

  • 体积小、容量较大:0603 封装下可实现 2.2µF 的容值,适合空间受限的移动设备与消费电子。
  • X7R 介质:在宽温度范围内(-55℃~+125℃)电容稳定性良好,适合一般工业与消费级电源旁路应用。
  • 良好的频率响应与低等效串联电阻(ESR):适合用于电源去耦与降噪。
  • 贴片工艺兼容:适用标准回流焊流程,支持大规模自动化贴装。
  • 品牌与可靠性:村田作为主流元器件厂商,产品质量与出货一致性有保障。

三、应用场景

  • 电源去耦与旁路:贴近 MCU、电源芯片或稳压器的电源引脚,抑制高频噪声,稳定供电。
  • 输入输出滤波:DC-DC 转换器的输入侧与输出侧滤波电容。
  • 耦合/去耦电路:一般模拟与数字电路的耦合与稳定用途。
  • 移动设备、笔记本、消费类电子、工业控制板等对体积与性能有要求的场合。

四、设计与使用要点

  • 直流偏压(DC bias)效应:X7R 属于类 II 介质,存在明显的直流偏压效应。随着加在电容上的直流电压增加,实测有效电容会下降,在接近额定电压时下降幅度可能达“几十个百分点”。设计时应根据实际工作电压进行实测或预留裕量,必要时选择额定电压更高或更大封装的器件。
  • 温度与老化:X7R 在温度变化与长期使用时容值会发生变化。温度系数规定了在-55℃到+125℃范围内的变化上限(通常不超过 ±15%)。此外,类 II 陶瓷电容存在随时间逐步衰减(aging)的现象,典型衰减率为每十倍时间约 1%~2%,可以通过退火工艺恢复部分容量。
  • 布局建议:置于需去耦芯片电源引脚附近,走线尽量短且粗,以降低寄生电感。若为多枚电容并联以获得宽频带去耦,建议将不同值和封装组合放置以覆盖不同频段。
  • 焊接与可靠性:遵循器件制造商提供的回流焊曲线(无铅/有铅工艺各有推荐温度曲线)。避免 PCB 过度弯曲或在焊接后强力挤压器件,MLCC 对机械应力敏感,易出现裂纹导致失效。需要时采用适当的焊盘设计与底铜控制来降低热应力。

五、封装与包装

  • 封装形式:0603(1608M)贴片型,适合自动贴片机与回流焊流程。
  • 包装:通常以卷带(tape & reel)方式出货,适配 SMT 贴装线。具体卷带数量与包装形式请参照厂商出货单或询价确认。

六、可靠性与测试建议

  • 温度循环、焊接热冲击与湿热测试:在关键应用中建议做温度循环、焊接热冲击(PB-free reflow)、高温高湿测试等验证,以确认在目标环境下的可靠性。
  • 抗振动与机械强度:对需要承受振动或机械冲击的产品,建议做振动/冲击测试并考虑使用底胶或机械固定手段减小损伤风险。
  • 电性能测量:对需要精确容值或容值在工作电压下的应用,建议在应用电压与温度条件下测量实际电容值与等效串联电阻(ESR/ESL)。

如需更详细的电气特性曲线(如电压偏置曲线、频率响应、典型 ESR/ESL 曲线)或封装尺寸与回流焊工艺参数,可提供进一步需求,我可以帮您查找或整理相应资料。

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