WMSIC Electronic Components

FH CBW100505U190T

ModelCBW100505U190T
Package0402
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
FH CBW100505U190T
Type
FH
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
CBW100505U190T
Electronic Component
1
Package
0402
Electronic Component
Ferrite Bead
Electronic Component
0.022g
Electronic Component
1
Channel Count
1
Electronic Component
BM0265123729
Operating Temperature
55℃~+125℃
Current
1.8A
@Frequency
19Ω@100MHz
Resistor(DCR)
60mΩ
Electronic Component
Electronic Component
Electronic Component
10000

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

CBW100505U190T 贴片磁珠产品概述

一、产品基本定位与品牌背景

CBW100505U190T是风华(FH)品牌推出的高频滤波贴片磁珠,属于0402封装系列(对应公制1005尺寸),专为抑制100MHz频段电磁干扰(EMI)设计,适用于单路信号或电源线路的噪声过滤,兼顾低功耗与宽温适应性。风华作为国内老牌电子元件厂商,该系列磁珠经多轮可靠性验证,广泛应用于消费电子、工业控制等领域。

二、核心电气性能深度解析

磁珠的核心价值体现在频率特性与直流损耗的平衡,本型号关键参数及实际意义如下:

  1. 阻抗特性:标称阻抗19Ω@100MHz,实际工作阻抗范围12-25Ω(针对100MHz频段)。该参数直接决定滤波效果——在100MHz左右的干扰信号下,磁珠可有效衰减噪声能量(如WiFi、蓝牙的谐波干扰),同时对目标信号的损耗可控;
  2. 直流电阻(DCR):仅60mΩ,属于低直流损耗设计。在传输直流信号或电源时,电压降极小(1.8A电流下仅0.108V),不会显著增加电路功耗,适合电池供电设备;
  3. 额定电流:1.8A(持续工作电流),是磁珠不发生饱和、性能稳定的最大电流阈值。若电路瞬时电流超过该值,需做降额设计(建议降额至1.5A以内);
  4. 通道数:单通道设计,适合单路射频、电源或数据线的独立滤波,避免多通道串扰。

三、典型应用场景与优势

本型号因小封装、宽温、低损耗的特点,适配多类高频电子设备:

  1. 消费电子:手机、平板、智能穿戴的WiFi(2.4GHz频段谐波)、蓝牙模块的EMI抑制,以及电池供电线路的噪声过滤;
  2. 工业控制:PLC、传感器节点的信号线路滤波,适应-55℃至+125℃的极端环境(如户外工业现场);
  3. 汽车电子:车载信息娱乐系统的GPS、FM射频电路滤波,宽温范围满足车载高低温需求;
  4. 通信设备:路由器、交换机的100MHz频段干扰抑制,保障数据传输稳定性。

核心优势:① 0402封装节省PCB空间(仅1.0mm×0.5mm),适合高密度布局;② 低DCR减少功耗,延长电池设备续航;③ 宽温范围覆盖工业/车载应用,可靠性更高。

四、环境适应性与可靠性验证

  1. 温度范围:工作温度-55℃+125℃,存储温度-40℃+85℃,符合工业级电子元件的环境要求,可在严寒、高温环境下长期稳定工作;
  2. 可靠性测试:风华对该系列磁珠进行了振动(10-2000Hz,加速度1.5g)、耐湿(40℃/90%RH,1000h)、温度循环(-55℃~+125℃,500次)等测试,性能衰减率≤5%,满足行业可靠性标准。

五、封装与安装注意事项

  1. 封装规格:采用0402贴片封装(公制1005),引脚间距0.25mm,焊盘尺寸建议匹配(宽度0.3mm,长度0.6mm);
  2. 焊接要求:表面贴装工艺(SMT),回流焊峰值温度≤260℃(持续时间≤10s),波峰焊温度≤245℃(持续时间≤3s),避免过温导致磁珠性能下降;
  3. 储存与运输:未开封产品需在干燥环境(湿度≤60%)下储存,运输过程避免机械冲击,开封后建议3个月内使用完毕。

六、选型与降额设计建议

  1. 频率匹配:若目标干扰频率偏离100MHz,需参考风华阻抗-频率曲线(如200MHz时约30Ω,50MHz时约10Ω),确认滤波效果;
  2. 电流降额:实际工作电流建议不超过额定电流的80%(即1.44A),避免长期过载导致磁珠饱和;
  3. 多通道需求:若需多通道滤波,可并联多个本型号磁珠(注意电流均分),或选择风华多通道磁珠型号。

CBW100505U190T作为风华品牌的经典高频滤波磁珠,凭借精准的100MHz频段阻抗特性、低直流损耗与宽温适应性,成为消费电子、工业控制等领域抑制EMI的优选元件,可有效提升电路的电磁兼容性(EMC)。

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