WMSIC Electronic Components

CL32B226KOJNNNE

ModelCL32B226KOJNNNE
Package1210
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 CL32B226KOJNNNE
Type
SAMSUNG
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SAMSUNG
Electronic Component
CL32B226KOJNNNE
Electronic Component
1
Electronic Component
22uF
Package
1210
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.159g
Electronic Component
1
Electronic Component
BM0229354730
Electronic Component
X7R
Voltage
16V
Electronic Component
Electronic Component
Electronic Component
1000

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

CL32B226KOJNNNE 产品概述

CL32B226KOJNNNE 为 SAMSUNG(三星)系列贴片多层陶瓷电容(MLCC),额定参数为 22 μF ±10%,工作电压 16 V,温度特性为 X7R,封装尺寸为 1210(约 3.2 × 2.5 mm)。该型号在中等电容值与中等介电稳定性之间取得平衡,适合用于电源去耦、旁路与储能等场景。下面从性能特性、典型应用、设计与布局建议以及可靠性与储存等角度展开说明,便于工程师快速评估与选型。

一、产品主要参数与特性

  • 电容值:22 μF,公差 ±10%(出厂标称容值精度)。
  • 额定电压:16 V(直流工作电压,请勿超出额定值)。
  • 温度系数/介质:X7R(工作温度范围通常为 −55℃ 至 +125℃,按 X7R 标准温度范围内电容变化通常可控在 ±15% 以内,但器件在不同电压或时序条件下的实际变化需参考厂家规格书)。
  • 封装:1210(英制称法 1210,对应公制约 3.2 × 2.5 mm,厚度随系列不同)。
  • 结构:多层陶瓷,低等效串联电阻(ESR)和低等效串联电感(ESL),适合高频旁路。
  • 包装形式:常见卷带(Tape & Reel),支持自动贴片回流焊流程(详细回流曲线以供应商资料为准)。
  • 环保合规:通常符合 RoHS/无铅要求,具体合规证书请以供应商出具为准。

二、电气行为与设计注意要点

  • DC 偏压效应:X7R 等高介电常数材料在加直流电压时会出现电容下降(DC bias)。22 μF 在 0 V 下为标称值,实际在接近 16 V 时可能显著下降,设计时需根据实际工作电压和频率检查规格书给出的 DC bias 曲线,必要时增大额定容量或并联多个电容。
  • 温度与老化特性:X7R 在温度范围内电容有一定漂移,且属于陶瓷介质的老化现象(电容值随时间会缓慢改变),请在系统设计时留有裕量。
  • 高频特性:MLCC 在高频下仍能保持较低阻抗,是电压源旁路与快速瞬态响应电流需求场景的首选。但单只电容的 ESR/ESL 会限制在极高频下的性能,通常与小容量低 ESL 的陶瓷或薄膜电容并用以覆盖更宽频段。
  • 串联/并联策略:为降低实际等效阻抗并增加容值,常采用并联多只不同容量和封装的电容(如 22 μF 与 0.1 μF)来同时满足低频储能与高频去耦。

三、典型应用场景

  • 电源旁路与去耦:处理稳压器输出、处理器核心电源瞬态电流。
  • DC 链路与储能:在中功率供应中作为局部储能元件,平滑电压波动。
  • 消费类与通信设备:智能手机、平板、路由器、机顶盒等对体积和性能有要求的设备。
  • 工业与便携设备:供电滤波、模块内部退耦等(如需用于汽车或安全关键系统,应确认相应的认证与等级)。

四、PCB 布局与焊接建议

  • 贴近电源引脚:把 CL32B226KOJNNNE 放置在需要去耦的芯片电源引脚附近,最短的回流路径可降低寄生阻抗。
  • 短且宽的焊盘与导线:减少走线长度,增大铜面积以降低 ESR/ESL 和寄生阻抗。
  • 多点并联:在高纹波或高瞬态需求处并联多只电容,并结合小容值高速电容以覆盖更宽的频率范围。
  • 回流焊温度曲线:遵循供应商推荐的回流焊曲线;避免反复多次高温循环造成器件性能退化或裂纹。
  • 防止机械应力:大型 MLCC 对机械冲击和弯曲敏感,PCB 设计时应避免板弯和螺丝孔位置过近等应力集中。

五、可靠性、存储与使用注意

  • 潮湿与吸湿:尽管卷带包装可减少受潮,暴露在高湿环境或未经回流的贴片器件在回流前需按回流前的烘烤规范处理,以防焊接时发生爆裂。
  • 机械损伤:在贴装与维修过程中避免施加过大压力或使用硬头探针直接压迫电容体。
  • 限制在关键安全应用:若是生命安全或高可靠领域,须确认器件是否通过相应认证(例如 AEC-Q 或其他),并按系统级冗余设计以降低单点失效风险。
  • 选型时样片评估:在最终量产前建议在目标电路条件下进行温度、应力、DC bias 和寿命测试验证。

六、替代与选型建议

在需替换或对比时,可选用尺寸与电参数相同(1210、22 μF、16 V、X7R、±10%)的其他主流厂商 MLCC,比较点包括 DC bias 曲线、温度漂移、额定寿命与可靠性认证、回流焊耐受性以及供货稳定性。选型时优先参考器件详细规格书与供应商的可靠性数据。

如需我提供具体的规格书要点解读、与其它型号的性能对比(例如 DC bias 曲线或频率响应比较),或给出 PCB 布局示例,请告知您关注的电路类型与工作条件(工作电压、环境温度、预期纹波/瞬态)以便提供更精确的建议。

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