WMSIC Electronic Components

HRE CGA0402X7R222K500GT

ModelCGA0402X7R222K500GT
Package0402
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 CGA0402X7R222K500GT
Type
HRE
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HRE
Electronic Component
CGA0402X7R222K500GT
Electronic Component
1
Electronic Component
2.2nF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.013g
Electronic Component
1
Electronic Component
BM0264743636
Electronic Component
X7R
Voltage
50V
Electronic Component
Electronic Component
Electronic Component
10000

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

CGA0402X7R222K500GT 产品概述

一、产品基本信息

CGA0402X7R222K500GT(品牌:HRE/芯声)是一款贴片多层陶瓷电容(MLCC),额定电容为2.2nF(2200pF),公差±10%(K),额定电压50V,介质材料为X7R,封装为0402(典型尺寸约1.0mm × 0.5mm)。X7R介质保证了器件在-55°C至+125°C温度范围内的温度特性,适用于一般旁路、去耦与滤波场合。

二、主要特性与优点

  • 小体积(0402)适合高密度表贴装配与便携设备;
  • X7R介质在宽温区间稳定性好,适合中等精度的电容需求;
  • 50V额定电压可满足较高工作电压场景,比常见的16V/25V器件具有更好的电压裕度;
  • 无极性,易于在双面PCB上自动贴装;
  • 符合RoHS环保要求,适配主流回流焊工艺。

三、电气与环境注意事项

X7R属于Ⅱ类介质,具有容量-温度与容量-电压非线性特性:在高温或施加直流偏压时电容会下降,具体降幅与片式尺寸、加工工艺有关,典型在高偏压下可能出现10%40%的容量衰减。设计时应考虑电压去额定或采取降额使用策略(视可靠性要求通常建议在额定电压的50%80%区间使用)。X7R允许的温度系数为-15%~+15%(-55°C至+125°C)。

四、封装与装配建议

  • 贴装方向无要求,但应避免在元件附近对基板施加机械应力(例如在焊盘边缘的机械夹紧或塑料插装时会引起裂纹);
  • 遵循J-STD-020回流焊工艺规范,推荐采用分级预热与峰值温度控制,峰值温度建议不超过260°C,回流时间与厂方资料对照;
  • 建议在布局时留有足够焊盘与注锡窗口,并使用适当的焊膏量以避免焊点过高或应力集中;
  • 储存时防潮包装保存良好,开盘后尽量在规定时间内完成贴片以避免氧化或污染。

五、应用场景与性能匹配

适合用于:电源去耦与旁路、电源滤波、信号耦合(非常规高精度场合慎用)、输入/输出滤波、移动终端、通讯设备、工控与消费电子中对体积和中等容量要求的场合。若电路对电容稳定性、低损耗或高精度有更高要求,应考虑C0G(NP0)或更高等级材料。

六、可靠性与测试

常规出厂测试包括容量与容差、漏电流、绝缘电阻、耐压、温循环与热冲击、湿热试验等。长期可靠性与寿命受工作电压、温度与机械应力影响,关键应用建议与供应商确认加速寿命测试数据并按需进行额外验证。

七、选型与采购建议

型号:CGA0402X7R222K500GT(HRE/芯声)。选型时关注工作电压裕度、温漂需求与DC偏置影响;批量采购可向供应商索取样片和器件性能曲线(容量随电压、温度的变化曲线)、回流工艺建议书及可靠性报告,以便在设计验证阶段完成必要的定制化评估。

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