WMSIC Electronic Components

muRata GRM21BC81E106KE51L

ModelGRM21BC81E106KE51L
Package0805
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 26+

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
mu Rata GRM21BC81E106KE51L
Type
MURATA
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MURATA
Electronic Component
GRM21BC81E106KE51L
Electronic Component
1
Electronic Component
10uF
Package
0805
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.037g
Electronic Component
1
Electronic Component
BM0231019633
Electronic Component
X6S
Voltage
25V
Electronic Component
Electronic Component
Electronic Component
3000

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

GRM21BC81E106KE51L 产品概述

一、产品概览

GRM21BC81E106KE51L 是村田(muRata)的一款多层陶瓷贴片电容(MLCC),额定电压 25V,额定电容 10µF,容差 ±10%,温度特性 X6S,封装为 0805(公制 2012),适用于表面贴装工艺。该系列以体积小、温度范围宽、适合高密度布板的去耦和旁路应用为主,常见于消费类电子、电源模块和一般电子设备的电源去耦和储能用途。

二、主要性能与参数

  • 电容值:10 µF(标称)
  • 额定电压:25 V DC
  • 容差:±10%(K)
  • 温度特性:X6S(工作温度范围通常为 −55°C 至 +125°C,温度响应在该范围内相对稳定)
  • 封装:0805(2.0 mm × 1.25 mm)
  • 类型:多层陶瓷电容(MLCC),贴片(SMD)
  • 品牌:muRata(村田)
  • 特点:高体积效率、低等效串联电阻(相对)、适合近芯片去耦

(注:使用时应参考厂方数据手册以确认具体电气和机械极限参数。)

三、设计与使用要点

  1. DC 偏压下电容变化:X6S 等高介电常数陶瓷的有效电容在施加直流偏压时会出现明显下降(直流偏压效应),设计电路时应留有裕量或通过测试确认工作状态下的有效电容值。
  2. 老化与温漂:Class II/III 型陶瓷电容存在随时间的老化(电容逐渐下降),以及在极端温度下的电容变化,关键电路应考虑使用低漂或补偿手段。
  3. 布局建议:用于芯片电源去耦时,应将该电容尽量靠近电源引脚放置,缩短焊盘到引脚的走线,减小串联电感与走线阻抗。对高频去耦可并联小容量低 ESL 的电容(例如 0.1 µF)以扩展频率响应。
  4. 回流焊可靠性:遵循无铅回流温度曲线与厂商推荐的焊接条件。避免多次高温回流超出厂方规范以保持可靠性。
  5. 机械应力敏感性:贴片陶瓷电容对焊接后或装配时的机械应力敏感,可能导致裂纹或性能退化。设计焊盘与焊膏时应考虑热循环与应力释放措施。

四、典型应用场景

  • 微控制器和数字 IC 的电源去耦与旁路
  • DC-DC 转换器的输出滤波与储能
  • 移动设备与便携终端的电源旁路
  • 一般电子产品的电源旁路、去耦与噪声抑制

(注意:由于 X6S 为介电特性较高的陶瓷,若用于对音频或模数转换等对线性与微噪声敏感的模拟前端,请先评估是否满足系统性能要求。)

五、可靠性与存储建议

  • 包装与存储:建议保持原厂防潮包装(密封干燥包装)直至使用,避免潮湿环境并遵守厂方的保质期与开盘后再流焊时间(若适用)。
  • 温度与湿度:避免长期在高温高湿环境中储存或使用,长期高温会加快老化。
  • 检验与替换:在关键或高可靠性场合,使用前进行外观与电容值抽样检测,必要时采用镜检以排查机械缺陷。

六、选型与替代建议

  • 若关心稳定性与温漂,考虑使用陶瓷 C0G/NP0 类型或薄膜电容,但体积通常较大且单位电容低。
  • 若需要更高电压或更小偏压衰减,可选择额定电压更高或不同介质特性的 MLCC。
  • 对于更高的电容值或更低失效敏感的场合,可考虑电解或钽电容,但要权衡 ESR、尺寸及可靠性差异。

七、采购与资料

购买与设计时建议参考村田官方数据手册与规格书,以获得完整的电气特性曲线(温度特性、频率响应、偏压特性)、焊接条件和可靠性测试结果。若有批量应用或对可靠性有严格要求,可直接联系村田或代理获取样片、放大试验数据与长期可靠性验证信息。

总结:GRM21BC81E106KE51L 在 0805 尺寸中提供了较大的电容量,适合于空间受限但需要中等储能与去耦的电源应用。设计时应重点考虑偏压下的电容降额、温漂与老化特性,并按厂方推荐工艺与布局方式确保性能与可靠性。

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