WMSIC Electronic Components

HRE CGA1210X5R476M250RT

ModelCGA1210X5R476M250RT
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 CGA1210X5R476M250RT
Type
HRE
Minimum package
500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HRE
Electronic Component
CGA1210X5R476M250RT
Electronic Component
1
Electronic Component
47uF
Package
1210
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±20%
Electronic Component
0.194g
Electronic Component
1
Electronic Component
BM0264495145
Electronic Component
X5R
Voltage
25V
Electronic Component
Electronic Component
Electronic Component
500

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

CGA1210X5R476M250RT 产品概述

一、产品简介

CGA1210X5R476M250RT(HRE / 芯声)为贴片多层陶瓷电容(MLCC),标称电容量47µF,容差±20%(M),额定电压25V,温度特性X5R,1210封装。该器件以高体积效率和良好的频率响应著称,适用于对体积和性能有平衡要求的去耦、滤波与储能场合。

二、主要参数

  • 容值:47 µF
  • 容差:±20%(M)
  • 额定电压:25 V DC
  • 温度系数:X5R(工作温度范围通常 -55°C 至 +85°C,温度变化下电容变化在规格范围内)
  • 封装:1210(约 3.2 × 2.5 mm,厚度由厂商工艺决定)
  • 封装与供应形式:贴片,卷带(Tape & Reel)适用于自动贴装

三、特点与优势

  • 体积能量密度高:在同尺寸下可实现较大电容量,便于在空间受限的电源模块中作为储能或旁路电容。
  • 低等效串联电阻(ESR)与低等效串联电感(ESL):对高频去耦效果好,有利于抑制开关噪声。
  • 工艺兼容性:支持无铅回流工艺(建议峰值温度不超过260°C并遵循回流曲线规范)。
  • 稳定性:X5R 材料在常见工作温度范围内保持较稳定的电容值,适用于一般工业与消费类应用。

四、典型应用场景

  • DC-DC 转换器输入/输出滤波与储能
  • 电源去耦与旁路,降低开关噪声
  • 通信设备、消费电子、工业控制模块、LED 驱动等对中低温度等级电容需求的场合

五、设计与使用注意事项

  • 直流偏置效应:X5R 属于介电常数较高的材料,施加偏压时电容值会明显下降(随电压增加而减小),设计时需考虑实测的直流偏置曲线,避免在工作点上实际有效电容不足。
  • 温度与频率响应:在低温或高频下电容值有一定变化,应根据系统频率和温度要求选型或并联不同类型电容。
  • PCB 布局:尽量将电容靠近电源引脚或芯片电源端放置,最短回流路径,增加地/电源多过孔以降低寄生阻抗。大电容可与小电容并联以覆盖更宽频带。
  • 机械应力:陶瓷电容脆性较大,焊接时避免过度盘曲或机械应力集中,过孔位置与焊盘设计需减少应力。

六、可靠性、焊接与存储建议

  • 焊接:兼容无铅回流工艺,遵循厂商给出的回流曲线及峰值温度限制;回流后建议进行外观检查和必要的焊接可靠性测试。
  • 储存:建议保持原厂干燥包装,避免长期暴露在高湿环境;若包装破损或受潮,按厂商说明进行回流前烘烤除湿处理。
  • 可靠性验证:在关键应用建议进行实际环境与电压下的电容保持率、寿命与热循环测试。

七、选型建议与替代方案

对于需要更高温度稳定性或更小直流偏置效应的场合,可考虑X7R或C0G材质(容量与体积要求受限时)。选型时应权衡容量、体积、温度范围与直流偏置特性,并参照器件阻抗/ESR/RMS 漏电流等详尽参数表。购买或批量使用前,建议索取HRE(芯声)正式数据手册与样品进行实际评估。

如需器件的阻抗曲线、等效串联电阻、直流偏置曲线或封装尺寸公差图,请提供需求,我可协助检索或解释对应数据表。

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