WMSIC Electronic Components

HRE CGA0805X6S475K100MT

ModelCGA0805X6S475K100MT
Package0805
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 CGA0805X6S475K100MT
Type
HRE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HRE
Electronic Component
CGA0805X6S475K100MT
Electronic Component
1
Electronic Component
4.7uF
Package
0805
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.038g
Electronic Component
1
Electronic Component
BM0264743630
Electronic Component
X6S
Voltage
10V
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.

CGA0805X6S475K100MT 产品概述

一、产品简介

CGA0805X6S475K100MT 为 HRE(芯声) 品牌的贴片多层陶瓷电容(MLCC),标称电容值 4.7 μF,公差 ±10%,额定电压 10 V,温度特性等级为 X6S,常用0805(约 2.0 mm × 1.25 mm)封装。此类高容值小尺寸 MLCC 在当代电子设备中用于电源去耦、旁路、大电流瞬态储能以及滤波等场景,兼顾体积与性能,是紧凑设计中的常用选择。

二、主要参数一览

  • 标称电容:4.7 μF
  • 精度(公差):±10%
  • 额定电压:10 V DC
  • 温度特性:X6S(工作温度范围 -55 °C 至 +125 °C,温度稳定性符合 X6S 等级规范)
  • 封装:0805 贴片封装(标准焊盘约 2.0 mm × 1.25 mm,厚度由生产厂不同批次略有差异)
  • 介质类型:高介电常数多层陶瓷(适合在有限体积下实现较大电容)
  • 典型特性:低等效串联电阻(ESR)、低等效串联电感(ESL)、高频响应良好

三、关键性能与工程要点

  • 温度稳定性:X6S 介质在 -55 °C 至 +125 °C 的温度范围内保持较好的电容稳定性,适合对温度要求较高的系统,但仍需参考制造商曲线评估在极端温度下的容值变化。
  • 电压依赖性(DC bias):高介电常数陶瓷在施加直流偏压时会出现电容下降现象,特别是在高容值和小封装组合下更明显。设计时应查看厂家提供的 DC bias 曲线并预留裕量,避免在工作电压下有效电容不足。
  • 频率响应与 ESR/ESL:MLCC 具有优秀的高频特性和低 ESR/ESL,适合快速瞬态抑制与高频旁路;但在需要较大能量储存与低频滤波时可能需要与电解电容或钽电容组合使用以优化整体性能。
  • 寿命与可靠性:陶瓷电容长寿命、无极性、耐振动,但受机械应力和焊接工艺影响,易发生裂纹或微裂导致失效。装配和PCB设计需注意应力释放与合适的过孔/焊盘布局。

四、典型应用场景

  • 电源去耦与旁路:微处理器、PMIC、模拟电路电源引脚的瞬态抑制与稳定。
  • DC-DC 转换器:输入/输出侧的高频滤波与瞬态储能,尤其在空间受限的移动设备与便携设备中。
  • 通信与消费电子:智能手机、平板、可穿戴设备、无线模块等。
  • 工业与嵌入式应用:要求较宽工作温度范围的工业控制与仪器设备(在确认温度/应力条件下评估适用性)。

五、封装与装配建议

  • 焊接工艺:建议采用标准回流焊工艺,遵循制造商的回流温度曲线与峰值温度限制。
  • 焊盘设计:使用制造商推荐的焊盘尺寸以保证良好焊接性和机械强度;合理的焊膏印刷量可减少焊接应力。
  • 机械应力控制:避免在贴片电容上直接钻孔或在组件装配后对板面施加机械弯曲;在高应力区域可使用应力缓冲结构或选择更大封装。
  • 清洗与打磨:避免使用会导致电容表面应力或化学侵蚀的清洗方法;清洗后请按规范检查焊点完整性。

六、选型与注意事项

  • 考虑 DC bias 与温度下的实际有效电容,必要时选用更高标称值或更大封装以满足实际电路需用。
  • 若系统对漏电流或稳定性有严格要求,确认 X6S 介质的损耗角正切(tan δ)与漏电特性是否满足。
  • 在对可靠性有特殊要求的应用(如汽车、医疗)中,需核实是否通过相应的行业认证(如 AEC-Q200 等)或联系供应商获取额外的可靠性测试报告。
  • 为降低失效风险,可在关键应用中采用并联多只电容、或与其他类型电容组合以兼顾高频与低频需求。

总结:CGA0805X6S475K100MT(HRE/芯声)在小体积内提供较大电容值,适合现代高密度电源去耦与滤波需求。设计中需重点关注 DC bias、温度特性与装配应力,以确保电容在目标工作条件下的可靠性与性能稳定性。若需更精确的 DC bias 曲线、耐压测试数据或封装尺寸图,请向供应商索取完整数据手册。

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