WMSIC Electronic Components

TDK MMZ0603S471HT000

ModelMMZ0603S471HT000
Package0201
BrandTDK
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

20 specifications

Core information

Product name
TDK MMZ0603S471HT000
Type
0201
Unit
Electronic Component
Minimum package
15000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
TDK
Electronic Component
MMZ0603S471HT000
Electronic Component
1
Package
0201
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.009g
Electronic Component
1
Channel Count
1
Electronic Component
BM0265025086
Operating Temperature
55℃~+125℃
Current
310mA
@Frequency
470Ω@100MHz
Resistor(DCR)
650mΩ

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

TDK MMZ0603S471HT000 磁珠产品概述

一、产品核心定位与设计目标

TDK MMZ0603S471HT000是一款针对100MHz频段电磁干扰(EMI)抑制优化的表面贴装磁珠,属于TDK小型化磁珠系列。其核心设计目标是在0201紧凑型封装下,实现高频干扰的高效衰减,同时兼顾低功耗与宽温适应性,适配消费电子、通信、工业等多领域的高密度PCB布局需求。

二、关键电气性能参数深度解析

磁珠的性能核心在于频率相关阻抗特性与直流损耗控制,以下是该产品的关键参数解读:

1. 阻抗特性:100MHz频段的高效干扰抑制

产品标称470Ω@100MHz,误差±25%,这是其核心性能指标——磁珠的阻抗随频率变化,低频(直流至几十MHz)下阻抗极低(仅650mΩ),不影响信号/电源的正常传输;当频率升至100MHz时,阻抗跃升至470Ω,能有效衰减该频段的共模/差模干扰,避免干扰信号耦合至敏感电路(如射频前端、数字逻辑电路)。

2. 直流电阻(DCR):低损耗适配功耗敏感场景

直流电阻仅650mΩ,远低于同阻抗等级的其他磁珠,在额定电流(310mA)下的功率损耗仅约0.063W(P=I²R),适合电池供电的便携设备(如智能手机、可穿戴设备),可减少不必要的能量消耗。

3. 额定电流与温度适应性

  • 额定电流310mA:连续工作电流上限,超过该值会导致磁芯饱和,阻抗急剧下降,干扰抑制能力失效,同时可能引发局部过热;脉冲电流需参考TDK官方 datasheet(通常脉冲电流为额定电流的2~3倍,但需结合脉冲宽度确认)。
  • 工作温度-55℃~+125℃:覆盖工业级温度范围,可适应户外、车载(非车规级但满足环境温度要求)、工业控制模块等恶劣环境,可靠性符合IEC 60068等标准。

4. 通道数与封装兼容性

通道数为1,适用于单路信号/电源线路的干扰抑制;封装采用0201(英制)/0603(公制),尺寸约0.6mm×0.3mm×0.3mm,是目前小型化磁珠的主流封装,适配高密度PCB设计(如5G基站子板、IoT终端模块)。

三、封装与可靠性设计亮点

  1. 小型化封装适配高密度布局:0201封装体积仅为传统0402封装的1/4左右,可显著减少PCB占用面积,适合智能手机、智能手表等紧凑设备的多层板设计。
  2. 表面贴装工艺兼容性:支持回流焊、波峰焊(需参考TDK焊接规范),焊接温度范围符合行业标准(回流焊峰值温度245℃±5℃),便于批量生产。
  3. 环保与可靠性认证:符合RoHS、REACH等环保指令,无铅无卤;产品经过振动、冲击测试(符合JIS C 0041标准),可承受运输与使用中的机械应力。

四、典型应用场景举例

该磁珠的性能特点使其适配多领域的EMI抑制需求:

  1. 移动通信终端:5G/4G手机的射频前端、基带电路,抑制100MHz附近的杂散干扰,保证信号传输质量。
  2. IoT与可穿戴设备:智能家居网关、智能手环的电源线路,低DCR降低功耗,小体积适配紧凑设计。
  3. 工业控制模块:PLC(可编程逻辑控制器)的数字信号线路,宽温范围适应工业现场的温度波动,抑制电磁干扰保证控制精度。
  4. 消费电子配件:蓝牙耳机、平板电脑的充电线路,防止电源纹波干扰音频/显示电路。

五、选型与使用注意事项

  1. 干扰频率匹配:仅当干扰源的主要频率在100MHz附近时,该磁珠的抑制效果最佳;若干扰频率偏离较大(如<50MHz或>200MHz),需选择对应频率优化的磁珠型号。
  2. 电流与功率验证:使用前需计算线路的最大工作电流,确保不超过310mA;若为脉冲电流,需参考TDK datasheet中的脉冲特性曲线。
  3. 布局优化:磁珠应尽可能靠近干扰源(如电源输入端、射频发射端)或敏感电路(如ADC、射频接收端),减少干扰信号的耦合路径。
  4. 焊接工艺规范:避免过温焊接(如手工焊温度超过350℃),防止磁芯性能退化;回流焊需遵循TDK推荐的温度曲线,避免局部过热。

该产品凭借高频抑制能力、低损耗与宽温适应性,成为高密度PCB设计中解决100MHz频段EMI问题的优选方案。

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