WMSIC Electronic Components

TDK MMZ1608S221ATA00

ModelMMZ1608S221ATA00
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 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
TDK MMZ1608S221ATA00
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
MMZ1608S221ATA00
Electronic Component
1
Package
0603
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.032g
Electronic Component
1
Channel Count
1
Electronic Component
BM0257285071
Operating Temperature
55℃~+125℃
Current
500mA
@Frequency
220Ω@100MHz
Resistor(DCR)
200mΩ

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

MMZ1608S221ATA00 产品概述

MMZ1608S221ATA00 是 TDK 提供的一款 SMD 磁珠,用于电路中高频干扰抑制与信号线去耦。该器件封装为 0603(公制 1608),适合自动贴装与回流焊工艺,体积小、性能稳定,常用于手机、消费电子、工业控制及汽车电子等对电磁干扰(EMI)有严格要求的场合。

一、主要参数概览

  • 型号:MMZ1608S221ATA00(品牌:TDK)
  • 阻抗:220 Ω @ 100 MHz,公差 ±25%
  • 直流电阻(DCR):200 mΩ
  • 额定电流:500 mA(连续直流)
  • 通道数:1(单通道/单端)
  • 封装:0603(1608 公制,约 1.6 mm × 0.8 mm)
  • 工作温度范围:-55 ℃ ~ +125 ℃

这些参数给出了该磁珠在典型工作条件下的电气与机械特性,适用于要求体积小、对高频抑制有一定幅度但允许一定直流压降的应用场景。

二、主要功能与特点

  • 高频抑制:220 Ω 在 100 MHz 的阻抗值表明该磁珠在 VHF/UHF 频段对高频噪声具有较强的衰减能力,适用于抑制电源线或信号线的射频干扰。
  • 低直流电阻:200 mΩ 的 DCR 保证了在额定电流下的压降较小,适合对电压降敏感的电源线路或偏置回路。
  • 小型封装:0603 尺寸便于在高密度 PCB 上布置,适合便携设备与空间受限板级设计。
  • 宽温度范围:-55 ℃ 至 +125 ℃ 的工作温度范围,满足常见工业与汽车电子的热环境要求(最终可靠性以具体认证和应用为准)。

三、应用建议

  • 电源线噪声抑制:在电源进线或局部电源滤波点串联使用,有效抑制开关电源、DC-DC 转换器等产生的高频噪声。
  • 信号线滤波:用于数模混合板或高频接口的单端信号线上,抑制共模/差模高频干扰(注意与电容形成的截止特性)。
  • EMI/EMC 设计:结合旁路电容或共模滤波器,用以满足 EMI 发射限值。
  • 便携与消费电子:适合手机、平板、电源适配器等对体积和噪声控制有严格要求的产品。

四、设计与布局注意事项

  • 串联安装:磁珠通常串联在噪声源与敏感电路之间,靠近噪声源或靠近 PCB 边缘(对外部辐射)安装效果更佳。
  • 与电容配合:与旁路/去耦电容并联形成低通行为;选择电容值时考虑谐振频率,避免在工作频段出现不必要的共振。
  • 额定电流与温升:500 mA 为连续额定电流,使用时应考虑工作温度与 PCB 散热条件。在高环境温度或聚集多器件发热的区域,应留有余量并进行温升验证。
  • DCR 影响:200 mΩ 的 DCR 在高电流下会产生压降和功耗,设计时计算压降(V = I × R)和功耗(P = I^2 × R),确保不会影响供电电压精度或导致过热。
  • 焊盘与回流:0603 器件对焊盘对称性要求高,建议参考 TDK 的推荐焊盘图形与回流焊曲线,避免拉长焊点导致可靠性问题。

五、可靠性与检验

  • 温度与热循环:MMZ1608S221ATA00 工作温度范围宽,适合大多数工业环境,但在极端热循环或温升场合需要做实际测试验证。
  • 机械应力:SMD 小封装在手工处理或维修时易受机械应力影响,推荐在生产与检修中使用推荐的取放工具和可控的焊接工艺。
  • 老化与长期稳定性:磁珠属于被动无源件;在高湿、高温或强机械振动环境下,建议做加速老化与机械可靠性测试以确认长期行为。

六、选型与替代考虑

  • 如果需要更高阻抗以增强高频抑制,可选阻抗更高的型号;若关注更低压降或更大工作电流,应选择 DCR 更低或额定电流更高的规格。
  • 同规格器件在不同品牌间阻抗曲线与材料损耗特性会有差异,关键设计应查看完整阻抗 vs 频率曲线与 Datasheet 中的热特性图表,并在样机上验证 EMI 结果。

总结:MMZ1608S221ATA00 是一款适合通用电源与信号线高频噪声抑制的 0603 磁珠,提供在 100 MHz 附近 220 Ω 的抑制能力,同时兼顾较低的 DCR 与适度的连续电流承载能力。实际应用时请参考 TDK 官方 Datasheet 与推荐焊盘、回流工艺,并在目标系统中进行电压降、温升与 EMI 性能验证。

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