WMSIC Electronic Components

HRE CGA1210X5R226M350RT

ModelCGA1210X5R226M350RT
Package1210
BrandHRE
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
HRE CGA1210X5R226M350RT
Type
HRE
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HRE
Electronic Component
CGA1210X5R226M350RT
Electronic Component
1
Electronic Component
22uF
Package
1210
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±20%
Electronic Component
0.157g
Electronic Component
1
Electronic Component
BM0264778611
Electronic Component
X5R
Voltage
35V
Electronic Component
Electronic Component
Electronic Component
1000

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

CGA1210X5R226M350RT 产品概述

一、主要参数与标识

CGA1210X5R226M350RT 为贴片多层陶瓷电容(MLCC),主要参数如下:

  • 容值:22 μF(226 表示 22 × 10^6 pF)
  • 精度:±20%(M)
  • 额定电压:35 V
  • 陶瓷介质:X5R(工作温度范围 -55°C 至 +85°C)
  • 封装:1210(英制 0.12"×0.10",公制约 3.2 mm × 2.5 mm)
  • 品牌:HRE(芯声)

型号命名中各段含义清晰,便于快速识别规格与电气等级。

二、主要特性与性能说明

  • X5R 介质:属于 II 类陶瓷材料,在工作温度范围内具有中等的温度特性和较高的体积电容密度,适合在温度变化不剧烈的场合作为旁路、去耦和能量缓冲元件。
  • DC 偏压效应:在较高直流偏压下,X5R 陶瓷的实际有效电容会明显下降,设计时需考虑此现象并通过实测评估电压下的有效容值。
  • 高频性能:MLCC 固有低 ESR/ESL 特性,使其在高频去耦、滤波和瞬态抑制方面表现优异。
  • 老化特性:X5R 类型存在随时间的容量老化现象,若对长期稳定性要求高,应在设计与检验中考虑这一点。

三、典型应用场景

  • 电源旁路与去耦:用于开关电源、LDO 输出端、微处理器和功率模块的局部去耦。
  • 能量储存:在瞬态电流需求较高的负载侧提供短时能量支持。
  • 滤波网络:在模拟/数字混合电路中作为高频滤波元件。
  • 工业、通信和消费电子:适用于对体积与电容密度有要求的场合,但在严格精度或宽温域稳定性需求下需评估适用性。

四、设计与布局建议

  • 布局:尽量将电容靠近电源引脚或敏感器件放置,缩短连接路径以降低寄生电感。
  • 多颗并联:如果单颗在工作电压下容量衰减严重,可并联多颗小容量器件以获得期望的有效电容与更好的频域响应。
  • 机械应力:避免在焊盘设计或机械约束上产生应力集中,贴片周围应有适当缓冲区,防止在热循环或振动下产生开裂。

五、焊接与存储注意事项

  • 回流焊:建议遵循无铅回流标准(参考 JEDEC/J-STD-020)和厂商的回流曲线,控制峰值温度与升降速率以减少热应力。
  • 预热与返修:避免超过厂商规定的回流次数和温度,以免影响性能与可靠性。
  • 存储:避免潮湿、高温与机械冲击,贴片卷带应按厂商建议保质期内使用或进行干燥处理。

六、可靠性与选型要点

  • 在需要高稳定性、低老化的场合,可考虑 NP0/C0G 等一类介质替代;若需要更高电压裕度或更小 DC 偏压影响,可选更高额定电压或并联方案。
  • 选型时建议参考实际工作电压、温度与频率环境,结合厂商提供的材料特性曲线(温度特性、偏压特性、寿命测试数据)进行验证。

CGA1210X5R226M350RT 以其较高的容量密度和适中的温度特性,适合在尺寸受限且需较大电容值的 SM T 设计中使用。但在高偏压和长期稳定性敏感的应用上,应通过实测或降额设计来保证性能满足系统需求。若需进一步的等效电路参数、偏压曲线或封装推荐图,请联系供应商或参考器件详细规格书。

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