WMSIC Electronic Components

HRE CGA0805X7R102K500KT

ModelCGA0805X7R102K500KT
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 26+

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
HRE CGA0805X7R102K500KT
Type
HRE
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HRE
Electronic Component
CGA0805X7R102K500KT
Electronic Component
1
Electronic Component
1nF
Package
0805
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.04g
Electronic Component
1
Electronic Component
BM0264495151
Electronic Component
X7R
Voltage
50V
Electronic Component
Electronic Component
Electronic Component
4000

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

CGA0805X7R102K500KT 产品概述

一、基本参数

CGA0805X7R102K500KT(HRE/芯声 对应规格)为贴片多层陶瓷电容(MLCC),主要参数如下:

  • 容值:1 nF(102)
  • 精度:±10%(K)
  • 额定电压:50 V DC
  • 温度特性:X7R(-55°C 至 +125°C,温度范围内电容变化受限)
  • 封装:0805(英制 2012)
  • 形式:贴片,适用于自动化贴装生产

二、特性与优势

  • 体积小、容量稳定:0805 封装在面积与可焊性之间取得平衡,适合空间受限设计。
  • X7R 陶瓷介质兼顾温度特性与体积效率,在宽温区间具有较好的容值稳定性,适用于去耦、旁路与一般滤波场合。
  • 低等效串联电阻(ESR)和低等效串联电感(ESL),适合对高频性能有一定要求的电源去耦与高速信号滤波。
  • 标准化封装和带卷包装,兼容常见 SMT 生产线,提高组装效率。

三、电气特性与设计注意事项

  • 温度依赖:X7R 属介电常数较高的材料,工作温度范围广,但电容随温度变化会有一定变化,典型规范允许在额定温区内有一定幅度的变化。
  • 电压依赖(DC bias):陶瓷电容在直流偏压下会出现电容量下降,尤其是高介电常数材料,在接近额定电压或长期直流偏压环境下需在电路仿真与测试中验证实际容值。
  • 频率特性:在高频下电容值可能变化,需结合应用频段评估去耦/滤波效果。
  • 极限条件:避免超过额定电压、过高温度或剧烈机械应力(如弯曲、过驱力)以防裂纹或失效。

四、典型应用场景

  • 开关电源与稳压器的输入/输出去耦与旁路
  • 高频数字电路的电源去耦(CPU、FPGA、SoC 等)
  • 信号链路中的高频滤波与阻抗匹配
  • 一般电子设备的耦合/去耦、时序电路中对小容量电容的替换

五、焊接与工艺建议

  • 回流焊建议使用无铅工艺的通用曲线,峰值温度按工厂工艺规范控制(参考行业回流谱),避免过高温度与长时间热暴露。
  • 贴装时保持焊盘对称、焊膏量适中,减少应力集中;尽量缩短焊盘到器件引脚的距离以减小热应力与机械应力。
  • 如需后焊或修补,注意局部快速加热可能导致裂纹,建议按制造商的工艺指南操作。
  • 版面布局:电源去耦电容应尽量靠近 IC 电源引脚并使用短、粗的走线和回流通路。

六、存储与可靠性

  • 建议保持原包装,存放于干燥、常温环境,避免潮湿、阳光直射与机械振动。
  • 处理时避免在振动或冲击环境下弯曲 PCB,减少电容芯片破裂风险。
  • 生产与使用前可进行外观检查与必要的电气测试(容量、绝缘、漏电流等)以确保质量。

七、封装与订购信息

  • 供应形式常见为带卷(Tape & Reel),适配自动贴片机。
  • 订购时请确认完整料号、包装规格与批次,以便质量追溯。若需样品或大批量采购,请与供应商确认库存、交期及品质文件(如质量保证书、测试报告)。

总结:CGA0805X7R102K500KT 为一款通用型 0805 MLCC,1 nF、50 V、X7R 温漂、±10% 精度,适用于电源去耦、滤波与一般电子设计。在设计时需特别关注直流偏压下的电容下降与焊接、机械应力对器件完整性的影响。若用于关键或高精度场合,建议进行实际电路级验证。

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