WMSIC Electronic Components

HRE CSA0805X7R223K500KT

ModelCSA0805X7R223K500KT
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 CSA0805X7R223K500KT
Type
HRE
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HRE
Electronic Component
CSA0805X7R223K500KT
Electronic Component
1
Electronic Component
22nF
Package
0805
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.04g
Electronic Component
1
Electronic Component
BM0264778562
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.

CSA0805X7R223K500KT 产品概述

CSA0805X7R223K500KT 是 HRE(芯声)品牌的一款贴片多层陶瓷电容(MLCC),规格为 22 nF(223)±10%,额定电压 50 V,介质为 X7R,封装 0805(2012 公制)。该型号以通用性强、体积小、可靠性高著称,适合在空间受限且需要中等容量与中高工作电压的各种电子系统中作为旁路、耦合与滤波元件使用。

一、产品基本参数与物理尺寸

  • 标称容量:22 nF(223)
  • 容差:±10%(K)
  • 额定电压:50 V DC
  • 介质材料:X7R(温度范围 -55°C 至 +125°C,典型温度稳定性在 ±15% 范围内)
  • 封装:0805(约 2.0 mm × 1.25 mm,厚度视厂商工艺而定,一般 ~0.8 mm)
  • 包装方式:卷带盘装(Tape & Reel),适配自动贴片机

二、主要特性与电气性能

  • 高容量密度:在 0805 封装下实现 22 nF,便于在受限面积上提供较大旁路与耦合容量。
  • 良好的频率特性:X7R 陶瓷介质在中高频范围内具有较低的等效串联电阻(ESR)和等效串联电感(ESL),适用于去耦与滤波。
  • 温度稳定性:X7R 能在广泛的工作温度范围内保持容量变化在可接受范围(典型 ±15%),适合多数民用与工业级应用。
  • DC Bias 影响:作为典型的 Class II 陶瓷电容,X7R 在施加直流偏压时会出现容量下降。0805/50 V 规格在高偏压下的容量衰减不可忽视,实际工作容量可能比标称值低,具体数值应参照厂方 DC bias 曲线。
  • 漏电流与绝缘电阻:MLCC 漏电流很低,通常处于 nA 至 µA 级别,随电压和温度上升而增加,具体请参考数据表。

三、典型应用场景

  • 电源去耦与旁路:开关电源、线性稳压、微处理器、模拟电路电源滤波。
  • 高频滤波与阻抗控制:输入滤波、输出滤波、EMI 抑制。
  • 耦合与去耦:音频前端耦合、模拟信号旁路。
  • 空间受限的消费电子与工业设备:移动设备模块、工控板、通信设备等。

四、设计注意事项与工程建议

  • 考虑 DC Bias:在高电压应用中必须查看厂方的 DC bias 曲线并预留裕量;如果需要严格容量精度(随电压变化小),建议选择 NP0/C0G 或更大封装的电容。
  • 温度与时间稳定性:X7R 随时间会有一定老化与温度相关变化,设计时应考虑容量随环境变化的范围。
  • PCB 布局:尽量缩短电容到关键芯片电源引脚的回流路径,减小串联电感以提高去耦效果;避免在焊盘区域产生过大机械应力。
  • 焊接工艺:遵循厂商给出的回流温度曲线(参考无铅回流峰值温度一般为 245–260°C),避免过长高温暴露导致电容性能退化或裂纹。

五、可靠性与存储、运输注意

  • 机械应力敏感:陶瓷片式电容对焊接时的热机械循环和 PCB 弯曲敏感,推荐在装配与使用中避免较大的弯折和挤压。
  • 防潮与存储:厂方通常以干燥包装出货,开盘后若存放在潮湿环境,视情况进行烘烤处理以防吸湿引起焊接缺陷;具体按厂商包装与 MSL 要求执行。
  • 温度循环与老化:X7R 在长时间使用下会有轻微容量漂移,应在关键电路中预留裕量或采用更稳定的介质。

六、替代选择与选型建议

  • 若需更高精度与温度稳定性:考虑 NP0/C0G 系列(但容量在 0805 封装中受限)。
  • 若需要更低 DC bias 效应或更大容量:可选大封装(1210、1812)或不同介质与更高额定电压的型号。
  • 在高频去耦与射频路径:根据频段选择等效串联电感更小、ESR 更低的型号或并联多个不同容量与封装的 MLCC 以覆盖宽频带。

总结:CSA0805X7R223K500KT 是一款面向通用电源去耦与滤波场景的高性价比 MLCC,兼顾容量与体积。设计与选型时需关注 X7R 的 DC bias 与温度特性,按照厂商数据表进行具体电气与可靠性验证,以确保在目标应用中的稳定性与寿命。若需进一步的电气参数(DC bias 曲线、等效电路参数、封装尺寸公差、回流曲线等),建议联系 HRE(芯声)获取完整数据表与可靠性测试报告。

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