WMSIC Electronic Components

HRE CGA1210X7R475K630RT

ModelCGA1210X7R475K630RT
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 25+

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
HRE CGA1210X7R475K630RT
Type
HRE
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HRE
Electronic Component
CGA1210X7R475K630RT
Electronic Component
1
Electronic Component
4.7uF
Package
1210
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.169g
Electronic Component
1
Electronic Component
BM0264552507
Electronic Component
X7R
Voltage
63V
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.

CGA1210X7R475K630RT 产品概述

一、产品简介

CGA1210X7R475K630RT 为 HRE(芯声)系列贴片多层陶瓷电容(MLCC),标称电容值 4.7 μF,标称精度 ±10%,额定电压 63 V,介质材料为 X7R,封装尺寸 1210(公制 3225)。该型号适用于对体积、温度范围与电气稳定性有较高要求的电源滤波与去耦场合,兼顾较大电容量与中高电压等级的应用需求。

二、主要电气参数

  • 电容:4.7 μF(标称)
  • 精度:±10%(K)
  • 额定电压:63 V DC
  • 温度特性:X7R(-55℃ 至 +125℃,电容变化受限)
  • 封装:1210(3225)贴片封装
  • 类型:多层陶瓷电容(MLCC)

三、性能与特点

  • 体积/容量比优异:1210 封装在保持机械强度的同时,能提供较高的电容值,便于在有限 PCB 面积上实现大容量设计。
  • 宽温区稳定性:X7R 介质在 -55℃~+125℃ 范围内保持较好电容稳定性,适合常用电源与环境温度变化场合。
  • 高电压等级:63 V 额定电压使其可直接用于中小功率 DC-DC、模拟前端等需更高耐压的线路。
  • 良好的瞬态响应:用于去耦与滤波可有效抑制电源噪声与瞬态尖峰。
  • 适配表面贴装工艺:支持无铅回流焊工艺,适合自动贴装与批量生产。

四、典型应用场景

  • 开关电源输入/输出滤波与旁路(DC-DC 转换器)
  • 模拟/混合信号电路的去耦与驱动电容
  • 电源总线旁路、储能与瞬态吸收场合(注意 DC bias 影响)
  • 通信设备、工业控制、汽车电子(非安全关键回路建议评估可靠性)

五、设计与使用建议

  • DC bias 影响:高电场下(接近 63 V)X7R 陶瓷电容容值会发生明显下降,应在设计时评估工作电压下的有效电容并适当冗余。
  • 布局:用于去耦时应尽量靠近电源引脚放置,最短回路路径,减少串联电感。
  • 焊接与应力控制:1210 大尺寸件对焊接与机械应力敏感,推荐使用合适的焊盘设计和夹具,避免 PCB 弯曲或过大的侧向应力引发裂纹。
  • 温度与老化:陶瓷电容受温度和时间老化影响,长期高温工作会改变电容值,关键电路建议做冗余或定期验证。

六、可靠性与注意事项

  • 在高振动或热循环频繁的环境下,应进行相应的可靠性试验(温度循环、机械冲击、湿热等)。
  • 对于关键电源路径或需长期工作的部位,建议进行电气应力降额(适当降低工作电压、增加并联冗余)以提高可靠性。
  • 采购与入库时注意防潮包装与贴片卷带完好,回流前如有拆带需按湿敏等级(MSL)做预烘烤处理。

七、采购与配套信息

  • 品牌:HRE(芯声),型号 CGA1210X7R475K630RT。
  • 封装:1210 贴片,通常以卷带(Reel)形式供应,便于 SMT 自动化贴装。
  • 选型提示:在需要更小 DC bias 损失或更高稳定性的场合,可考虑钽电容或更高等级的陶瓷,但需权衡成本、耐压与 ESR 等参数。

该产品在电源去耦与中高压滤波领域具有较好的性价比与通用性,选型时应结合工作电压、温度和可靠性要求对 DC bias、封装应力与长期漂移等因素进行综合评估。

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