WMSIC Electronic Components

FH CBW201209U600T

ModelCBW201209U600T
Package0805
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 CBW201209U600T
Type
FH
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
CBW201209U600T
Electronic Component
1
Package
0805
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.027g
Electronic Component
1
Channel Count
1
Electronic Component
BM0257282663
Operating Temperature
55℃~+125℃
Current
3A
@Frequency
60Ω@100MHz
Resistor(DCR)
50mΩ
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.

CBW201209U600T 产品概述

一、产品简介

CBW201209U600T 是风华(FH)系列的一款贴片磁珠,封装为0805(公制2012),面向抑制电路中高频干扰、改善电磁兼容(EMC)性能的应用场景。其在100MHz处标称阻抗为60Ω(规格允许±25%偏差),额定直流电流为3A,工作温度范围为-55℃到+125℃,适合中小功率、对 EMI 要求较高的通信、消费电子与工业控制系统。

二、主要参数概览

  • 标称阻抗:60Ω @ 100MHz(±25%)
  • 直流电阻(DCR):典型约50mΩ(元件寄生损耗应参考实际样片测试)
  • 额定电流:3A(DC)
  • 封装:0805(2012 公制)
  • 通道数:1(单端磁珠)
  • 工作温度:-55℃ ~ +125℃
  • 品牌:FH(风华)

三、结构与电气特性说明

磁珠通过磁性材料在高频下产生无源损耗以衰减共模/差模干扰。标称 60Ω@100MHz 表示该型号在 100MHz 附近具有较高的阻抗,有利于抑制高频噪声。阻抗值随频率变化,典型特性是低频时呈低阻抗,随频率升高进入损耗区间并达到标称值;因此在选型时需关注目标干扰频段与器件频响曲线。DCR 为元件的直流电阻,直接影响在大电流条件下的功耗与发热。

四、功耗与散热考量

在最大额定电流 3A 下,按典型 DCR 50mΩ 估算 I^2·R 损耗约为 0.45W,这在小封装(0805)上会产生明显的温升。实际应用中:

  • 建议对器件温升进行热仿真或实测验证;
  • 如需长期大电流运行,应考虑并联多个磁珠或选用低DCR的器件替代;
  • 在布局上给予良好散热路径(增加铜箔面积、靠近接地平面)以降低温升并保证可靠性。

五、典型应用场景

  • 手机、路由器、无线模块等通信设备的电源线与信号线噪声抑制;
  • USB、HDMI 等高速接口的共模/差模 EMI 控制(需结合具体频带特性验证);
  • 工业控制与车载电子中对高频干扰敏感的电源或信号滤波点;
  • 作为输入电源线的首级噪声抑制元件,配合电容形成简易 LC 低通网络。

六、PCB 布局与焊接建议

  • 将磁珠尽量靠近噪声源或接口处以提高抑制效果;
  • 对于电源线噪声,在磁珠输入端与电源源头或滤波电容之间短距离放置效果最佳;
  • 保证焊盘与器件有足够的焊接面积,避免因焊点热阻增加导致温升增大;
  • 焊接温度与时间遵循风华推荐的回流曲线,避免过热影响磁性材料性能。

七、选型与替代建议

  • 若目标抑制频段主要集中在 100MHz 附近,CBW201209U600T 为合适选择;若频段更高或更低,应参考完整的频率响应曲线;
  • 对于长期 3A 以上或对功耗/发热敏感的设计,建议选用更低 DCR 或更大封装的磁珠,或考虑多颗并联以分担电流;
  • 若需更严格阻抗公差或特定频带优化,可咨询供应商获取 S 参数或阻抗频率曲线以便电路仿真验证。

八、质量与可靠性

风华(FH)作为知名被动元件厂家,产品通常通过常规的温度循环、湿热与机械应力测试。为保证一致性,建议在量产前进行来样测试(如阻抗测量、热升测试与温度循环),并确认在目标工作环境下的性能稳定性。

总结:CBW201209U600T 为一款面向 100MHz 附近高频噪声抑制的 0805 封装磁珠,适用于中等电流(3A)场合,使用时需关注直流损耗与热管理。在实际设计中,结合频率响应曲线与热特性进行验证,能获得最佳的 EMC 改善效果与长期可靠性。

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