WMSIC Electronic Components

TDK MMZ1608S102ATA00

ModelMMZ1608S102ATA00
Package0603
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 MMZ1608S102ATA00
Type
TDK
Unit
Electronic Component
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
TDK
Electronic Component
MMZ1608S102ATA00
Electronic Component
1
Package
0603
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.033g
Electronic Component
1
Channel Count
1
Electronic Component
BM0255086211
Operating Temperature
55℃~+125℃
Current
400mA
@Frequency
1kΩ@100MHz
Resistor(DCR)
500mΩ

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

MMZ1608S102ATA00 产品概述

一、产品简介

MMZ1608S102ATA00 是日本 TDK 推出的贴片磁珠(ferrite bead),封装尺寸为 0603(1608 公制),单通道器件,主要用于抑制电源线和信号线上的高频干扰与电磁干扰(EMI)。型号中的“102”表示在 100 MHz 附近具有约 1 kΩ 的阻抗特性,适合在对高频噪声抑制有较高要求的小型化电路中应用。

二、主要电气参数

  • 阻抗:1 kΩ @ 100 MHz(标称)
  • 阻抗公差:±25%(表示在 100 MHz 时阻抗可在约 750 Ω ~ 1250 Ω 之间)
  • 直流电阻(DCR):500 mΩ(典型)
  • 额定电流:400 mA(最大持续电流)
  • 通道数:1(单通道)
  • 工作温度范围:-55 ℃ ~ +125 ℃
  • 封装:0603(MMZ1608)

说明:磁珠在不同频率下阻抗呈明显变化,通常随频率上升其阻抗主由铁氧体材料的感抗和损耗构成,实际电路中应参考厂商的频率响应曲线以获得更精确的抑制效果。

三、特性与优势

  • 高频抑制能力强:在 100 MHz 附近阻抗高达 1 kΩ,可有效衰减射频干扰与开关噪声。
  • 小型化封装:0603 封装适合高密度 PCB 布局,便于移动通信、手持设备及消费电子的小尺寸设计。
  • 工艺兼容:适合常规 SMT 回流焊工艺(请参照 TDK 推荐的回流曲线)。
  • 温度范围宽:-55 ℃ 到 +125 ℃,满足一般工业级工作环境要求。
  • 单通道设计:适合对单根电源或信号线进行局部滤波、去耦与 EMI 抑制。

四、设计注意事项(关键工程数据)

  • DC 压降与功耗:按 DCR=0.5 Ω、额定电流 400 mA 计算,最大直流压降约为 0.2 V,功耗约为 0.08 W(80 mW)。在高电流或多并联情况下需评估温升与可靠性。
  • 阻抗公差影响:±25% 的阻抗公差意味着实际抑制性能在不同批次或温度下会有波动,关键抗扰设计建议预留裕量。
  • 热管理与散热:长时间大电流工作时,铁氧体元件可能产生温升,应确认周边器件的热容与散热条件。
  • 使用场合限制:磁珠用于消耗高频能量并转换为热,不适合作为直流限流或低频滤波器;对直流稳压精度敏感的电源节点需评估压降影响。

五、典型应用场景

  • 开关电源(SMPS)输入/输出的高频 EMI 抑制
  • 手机、平板、无线模块等便携设备的电源线路噪声抑制
  • 数字/模拟电路的供电分支去耦与串联滤波
  • USB、HDMI 等接口的共模/差模高频噪声抑制(视布线而定)
  • 工业控制与测量设备的局部射频干扰治理

六、封装、可靠性与装配建议

  • 封装:0603(1608M)表面贴装,适合自动化贴装与回流焊。
  • 焊接工艺:遵循制造商的回流焊推荐曲线,避免超过建议的峰值温度和保持时间以保证材料特性与可靠性。
  • 储存与处理:避免潮湿及强酸碱环境,贴片器件建议采用防潮包装并按 ESD 控制规范操作。
  • 可靠性测试:如需用于严苛环境或关键应用,建议依据工程要求进行额外的温循环、潮湿测试及通电寿命验证。

七、替代与选型要点

  • 替代时需匹配的关键参数:100 MHz 附近阻抗值、DCR、额定电流、封装尺寸与温度等级。
  • 若需求更低压降或更大电流,应选择更低 DCR 或更大尺寸的磁珠/电感件。
  • 对 EMI 抑制有更宽频段需求时,可参考带宽更宽或在目标频段有更高阻抗的型号。
  • 选型时可同时参考其他厂商(如 Murata、Taiyo Yuden 等)的同类 0603 封装、1 kΩ@100MHz 器件,但应对比频率响应曲线与实际电路表现。

总结:MMZ1608S102ATA00 以其 0603 小型封装与在 100 MHz 附近约 1 kΩ 的高频阻抗,适合在空间受限且对高频 EMI 有严格控制要求的终端设备中作为电源与信号线路的局部滤波元件。在使用时需关注 DCR 导致的直流压降与功耗、阻抗公差对抑制效果的影响,并按实际电路条件进行热与电气验证。

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