WMSIC Electronic Components

TDK CGA2B1X7R1V224KT000S

ModelCGA2B1X7R1V224KT000S
Package0402
BrandTDK
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
TDK CGA2B1X7R1V224KT000S
Type
TDK
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TDK
Electronic Component
CGA2B1X7R1V224KT000S
Electronic Component
1
Electronic Component
220nF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.012g
Electronic Component
1
Electronic Component
BM0264481532
Electronic Component
X7R
Voltage
35V
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.

TDK CGA2B1X7R1V224KT000S 产品概述

一、产品简介

TDK 型号 CGA2B1X7R1V224KT000S 是一款表面贴装多层陶瓷电容(MLCC),额定容量 220 nF(标称值 224 表示 220,000 pF),公差 ±10%(K),额定电压 35 V,介质类型为 X7R,封装为 0402(公制 1005,约 1.0 mm × 0.5 mm)。该产品面向对体积、可靠性与高频特性有要求的现代电子设备,适合作为去耦、旁路与一般滤波用途的通用电容解决方案。

二、主要性能与规格要点

  • 容值:220 nF(224)
  • 容差:±10%(K)
  • 额定电压:35 V DC
  • 介质类型:X7R(温度范围与容值变化特性)
  • 封装:0402(约 1.0 mm × 0.5 mm)
  • 品牌:TDK,产品面向 SMT 贴装工艺

X7R 介质在 −55°C 至 +125°C 工作范围内典型容值变化在 ±15% 以内(具体以厂商技术资料为准);与 NP0(C0G)相比,X7R 提供更高的体积比容量但具有温度和电压依赖性。

三、特性与设计注意事项

  • 体积小、容值高:0402 封装在有限 PCB 面积内提供较大的电容量,便于紧凑布局。
  • 高频性能良好:MLCC 本征 ESR/ESL 低,适合高速信号或电源旁路,能迅速响应瞬态电流。
  • 电压/温度依赖性:X7R 型陶瓷电容会随温度和外加直流偏压出现容值下降;尤其是小尺寸高介电常数陶瓷在接近额定电压时容值降幅更明显,设计时应参考 TDK 的温度与偏压特性曲线并留有裕量。
  • 机械敏感性:0402 炉前后焊接及 PCB 弯曲可能引起应力,应优化焊盘设计与焊接工艺以降低裂纹风险。

四、典型应用场景

  • 电源去耦与稳压器输入/输出旁路(平衡滤波与瞬态抑制)
  • 高速数字电路(CPU、FPGA、通信接口等)近端去耦
  • 模拟前端滤波、ADC/DAC 旁路(需注意容值变化对精度的影响)
  • 移动设备、消费电子和工业控制设备中对体积与性能有要求的普通滤波场合

五、封装与安装建议

  • 尺寸与焊盘:0402(1005)小封装对焊盘设计敏感,推荐遵循 TDK 的 PCB 推荐尺寸与过孔距离规范,以减少应力集中并优化焊接质量。
  • 贴装工艺:兼容常规无铅回流焊工艺。建议参照 TDK 提供的回流焊曲线与峰值温度限制,避免超温或重复热循环导致性能劣化。
  • 焊接与力学:在元件附近避免机械应力源(如夹紧、重压、PCB 弯曲),推荐在关键位置添加柔性缓冲或改用更大封装以提高可靠性。

六、可靠性与使用建议

  • 直流偏压影响:在电路设计时应评估在工作电压下的实际有效容值(参考厂方偏压特性曲线),必要时选择更大额定值或并联以补偿降额。
  • 温度范围:X7R 适合宽温区应用,但若电容对温漂敏感(如时间基准、精密滤波),应权衡介质选择或采用温度系数更稳定的产品。
  • 储存与防护:避免长期潮湿环境存放,贴片未使用应保留在封装卷盘并按厂方建议防潮处理。贴装过程注意防静电措施。

七、选型与替代建议

  • 若应用对温度稳定性及容差要求更严格(例如高精度采样或时间常数场合),建议考虑 NP0/C0G 系列或其他温漂更小的介质。
  • 当需要更高的额定电压或更小的偏压依赖时,可采用更大尺寸封装或使用额定电压更高的型号。
  • 对于要求更高可靠性的汽车或航天级应用,请选用相应通过认证的专用产品并参考 TDK 的可靠性数据与认证信息。

八、结论

TDK CGA2B1X7R1V224KT000S 在 0402 尺寸中提供 220 nF 的较大容值,适合大多数对体积与去耦性能有要求的消费类与工业电子设计。其优势在于高体积比容量与良好的高频特性,但需在设计中考虑 X7R 的温度与直流偏压特性以及小封装的机械应力敏感性。最终选型应结合具体工作电压、温度范围和可靠性要求,并参照 TDK 官方数据手册中的特性曲线与焊接、封装建议。

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