WMSIC Electronic Components

CL21A226KQQNNNE

ModelCL21A226KQQNNNE
Package0805
BrandSAMSUNG
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
SAMSUNG CL21A226KQQNNNE
Type
SAMSUNG
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SAMSUNG
Electronic Component
CL21A226KQQNNNE
Electronic Component
1
Electronic Component
22uF
Package
0805
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.034g
Electronic Component
1
Electronic Component
BM0264210164
Electronic Component
X5R
Voltage
6.3V
Electronic Component
Electronic Component
Electronic Component
2000

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

CL21A226KQQNNNE 产品概述

一、产品简介

CL21A226KQQNNNE 是三星(SAMSUNG)生产的一款贴片多层陶瓷电容(MLCC),标称电容量 22 µF,公差 ±10%,额定电压 6.3 V,介质类型 X5R,常见封装为 0805(约 2.0 mm × 1.25 mm)。该器件以体积小、容值较大、等效串联阻抗(ESR)低等特点,适用于移动设备与一般消费类电子的电源旁路与滤波场合。

二、主要特性

  • 容量:22 µF,公差 ±10%(25°C 标称值)。
  • 额定电压:6.3 V DC,适用于低电压电源轨。
  • 介质:X5R —— 在标准工作温度范围内具有中等介电稳定性与高体积比。
  • 封装:0805(约 2.0 × 1.25 mm),适合高密度贴装。
  • 低 ESR/低 ESL:适合瞬态抑制、去耦与稳压器输出侧滤波。

三、电气与温度特性要点

  • X5R 介质的典型工作温度范围为 -55°C 至 +85°C,温度变化会对电容值造成影响,需参照器件数据手册评估工作环境下的电容偏差。
  • 陶瓷电容在直流偏置情况下(接近或接近额定电压时)会出现明显的电容下降(DC bias 效应),尤其是在小封装、较大标称容量的类型中,设计时应预留裕量或通过测试验证实际电容值。
  • MLCC 的自谐频率较高、ESR 很低,适合高速去耦,但并不提供像电解电容那样高的容值稳定性或缓冲能量能力。

四、典型应用

  • 手机、平板、可穿戴和笔记本等便携式设备的电源去耦与输入/输出滤波。
  • DC-DC 降压转换器的输入/输出端旁路与稳定。
  • 高密度 PCB 中对体积与性能兼顾的滤波解决方案。
  • 一般消费电子与工控产品的电源去耦场合(在额定电压与温度条件下)。

五、选型与使用建议

  • 若电路工作电压接近 6.3 V,务必考虑 DC bias 导致的有效电容量下降,必要时选择更高额定电压或更大封装以保证工作所需容值。
  • 对纹波电流、温度循环或热冲击敏感的应用,参考厂商数据手册中的寿命与失效模式说明,必要时可选用更高可靠性等级的器件。
  • 如需更低 ESR 或更高容值,可考虑并联多个 MLCC 或与电解电容/钽电容混合使用以兼顾瞬态与长期稳定性。

六、焊接、储存与可靠性注意

  • 请遵循供应商推荐的无铅回流焊曲线(峰值温度一般 ≤ 260°C)。
  • MLCC 对机械弯曲与强振动敏感,焊接与治具设计应避免基板过度挠曲。
  • 器件为贴片陶瓷,应按防潮包装存放;若包装破损或超出保质期,需按厂商建议进行烘烤除湿处理。

七、总结

CL21A226KQQNNNE(SAMSUNG,0805,22 µF,6.3 V,X5R,±10%)在体积受限且需要较大旁路容值的场景中具有良好性价比。设计时需重点考虑 X5R 的温度特性与陶瓷电容的 DC bias 效应,必要时通过实验验证在实际工况下的有效电容与纹波承受能力,以保证电源系统的稳定与可靠。若需器件详细的电气特性曲线、尺寸图或可靠性规范,请参考三星官方数据手册或联系供应商获取原始资料。

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