WMSIC Electronic Components

FH CBG100505U101T

ModelCBG100505U101T
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
FH CBG100505U101T
Type
FH
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
CBG100505U101T
Electronic Component
1
Package
0402
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.022g
Electronic Component
1
Channel Count
1
Electronic Component
BM0263677083
Current
150mA
@Frequency
100Ω@100MHz
Resistor(DCR)
500mΩ
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.

CBG100505U101T 风华磁珠产品概述

一、产品基本定位与核心标识

CBG100505U101T是风华电子(FH) 推出的一款0402封装片式磁珠,属于高频电磁干扰(EMI)抑制专用被动元器件。型号中“1005”对应公制封装尺寸(1.0mm×0.5mm),即英制0402封装;“U101”明确其核心阻抗特性为100Ω@100MHz,是针对电子设备常见噪声频段优化的设计。作为单通道器件,其结构紧凑、集成度高,适配对体积和噪声抑制有双重需求的电路场景。

二、核心电气参数深度解析

该磁珠的参数设计围绕“高频噪声衰减+低直流损耗”的平衡展开,关键参数的实用价值如下:

1. 阻抗特性:100Ω@100MHz ±25%

磁珠的核心作用是在特定频率下提供高阻抗以过滤噪声,100MHz 是电子设备中高频干扰的高发频段(如蓝牙/WiFi杂波、开关电源纹波)。100Ω的阻抗值能有效衰减该频段的电磁干扰,±25%的误差范围符合工业级器件的常规精度要求,设计时预留少量余量即可满足多数场景需求。

2. 直流电阻(DCR):500mΩ

低DCR是该磁珠的核心优势——直流损耗仅0.5Ω,不会在直流导通路径中造成明显功率消耗。这意味着它可直接串联在电源输出、信号线上,既不影响电路的直流供电效率,又能实现高频噪声过滤,尤其适合对功耗敏感的便携设备。

3. 额定电流:150mA

额定电流是器件安全工作的上限,150mA的参数适配小电流电路(如传感器模块、低功耗蓝牙模块)。在额定电流范围内,磁珠的阻抗、DCR等参数保持稳定,不会因过热导致性能漂移或损坏,无需额外散热设计。

4. 单通道设计

单通道结构简化了内部构造,提升了一致性和可靠性,适合单路信号或电源线路的噪声抑制,避免多通道磁珠的冗余设计,进一步降低成本和体积。

三、典型应用场景适配

结合参数特性,CBG100505U101T的核心应用集中在小型化、低功耗、高频噪声敏感的电子设备:

1. 便携式智能设备

如智能手环、蓝牙耳机、智能手表等。0402封装满足小型化需求,150mA额定电流匹配设备低功耗特性,100MHz阻抗可抑制蓝牙(2.4GHz频段杂波)、WiFi的高频噪声,提升无线信号稳定性。

2. IoT终端传感器模块

温湿度传感器、加速度传感器等模块对信号精度要求高,单通道磁珠可串联在传感器输出线,过滤外部电磁干扰(如电源纹波、射频杂波),避免噪声导致的测量误差。

3. 低功耗开关电源滤波

DC-DC转换电路会产生100MHz附近高频纹波,该磁珠串联在电源输出端,低DCR不影响电源效率,100Ω阻抗可有效衰减纹波,提升电源输出纯净度。

4. 射频前端辅助滤波

如LoRa、NB-IoT等低功耗射频模块的发射/接收链路,针对100MHz附近杂散信号抑制,提升射频信噪比,减少误码率。

四、品牌与可靠性保障

风华电子(FH)是国内被动元器件头部厂商,拥有数十年磁珠研发生产经验,产品通过ISO 9001、ISO 14001质量体系认证,符合RoHS环保标准。CBG100505U101T的参数一致性、耐温性(-55℃~+125℃工作温度)经过严格测试,适合工业级批量生产,可降低器件离散性导致的电路性能波动。

五、选型与使用注意事项

  1. 电流匹配:电路工作电流需≤150mA,超额定值需并联多颗或选更高电流型号;
  2. 频率匹配:100MHz处阻抗最优,偏离频段需仿真/实测评估滤波效果;
  3. 焊接工艺:0402封装需控制回流焊温度(峰值230℃~245℃,时间≤30s),避免虚焊;
  4. 误差预留:±25%阻抗误差需在电路设计时留余量,确保滤波效果达标。

总结

CBG100505U101T是一款性价比突出的0402封装磁珠,兼顾小体积、低损耗、高频噪声抑制特性,适配便携式设备、IoT传感器、低功耗电源等场景。依托风华电子的品牌可靠性,它能满足工业级批量生产需求,是解决高频EMI问题的实用选择。

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