WMSIC Electronic Components

FH CBW160808U121T

ModelCBW160808U121T
Package0603
BrandFH
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

19 specifications

Core information

Product name
FH CBW160808U121T
Type
FH
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
CBW160808U121T
Electronic Component
1
Package
0603
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.03g
Electronic Component
1
Channel Count
1
Electronic Component
BM0229278850
Operating Temperature
55℃~+125℃
Current
1.3A
@Frequency
120Ω@100MHz
Resistor(DCR)
140mΩ
Electronic Component
Electronic Component

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

CBW160808U121T 产品概述

一、产品简介

CBW160808U121T 为风华(FH)出品的一款贴片磁珠,封装为0603(公制1608),单通道设计,主要用于抑制中高频电磁干扰(EMI)。规格上在100MHz时阻抗为120Ω,阻抗公差±25%;工作温度范围为-55℃至+125℃,适应一般商用与工业环境。

二、主要参数(关键数值)

  • 阻抗:120Ω @ 100MHz(±25%)
  • 直流电阻(DCR):典型约140mΩ,量产或最大值可接近200mΩ(视出厂检验而定)
  • 额定电流:1.3A(建议按散热与温升进行留余量)
  • 通道数:1
  • 封装:0603(1608公制)
  • 工作温度:-55℃ ~ +125℃

三、电性能解析

该磁珠在中高频区具有显著阻抗,能有效抑制100MHz左右的共模/差模干扰。DCR较低(约0.14Ω量级),对直流压降影响小,但在接近额定电流时仍需关注温升与压降。阻抗随频率变化,应参考厂家阻抗曲线选择匹配目标噪声频段。

四、热与可靠性说明

长时间大电流工作会造成自热,建议在实际应用中按额定电流做适当降额(例如留10–20%裕量),并注意周围散热条件。封装适合常规回流焊工艺,焊接温度和时长应遵循风华推荐回流曲线以保证可靠性。

五、典型应用场景

  • 开关电源输入输出端的噪声抑制
  • 电源线、基带线与射频模块间的干扰滤除
  • 手机、平板、物联网终端等对EMI敏感的移动设备
  • 工业控制与通信设备的局部滤波与抑制

六、选型建议与注意事项

  • 优先匹配噪声能量集中的频段,若噪声频谱超出100MHz范围,查看完整阻抗曲线再决定。
  • 若系统对压降敏感或有大电流脉冲,应以实际Test为准并考虑更低DCR或更高额定电流型号。
  • 布局上尽量靠近噪声源或滤波点放置,串联在噪声传播路径上,避免在高精度模拟信号线上无差别使用。
  • 关注电磁兼容(EMC)整体方案,磁珠通常与电容、电感配合使用以获得更好抑制效果。

七、总结

CBW160808U121T 在0603封装下提供了在100MHz附近较高阻抗的EMI抑制能力,适用于对中高频噪声有明确抑制需求且电流需求在1A~1.3A量级的场景。选型时建议结合实际频谱、温升测试与回流工艺验证,以确保长期可靠工作。

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