WMSIC Electronic Components

TDK MMZ1005S241CT000

ModelMMZ1005S241CT000
Package0402
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 MMZ1005S241CT000
Type
TDK
Unit
Electronic Component
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
TDK
Electronic Component
MMZ1005S241CT000
Electronic Component
1
Package
0402
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.012g
Electronic Component
1
Channel Count
1
Electronic Component
BM0228288746
Operating Temperature
55℃~+125℃
Current
400mA
@Frequency
240Ω@100MHz
Resistor(DCR)
280mΩ

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

MMZ1005S241CT000 产品概述

一、产品简介

TDK MMZ1005S241CT000 是一款封装为 0402(公制 1005)的表面贴装磁珠,用于电磁干扰(EMI)抑制和高频噪声滤除。器件为单通道(单线)结构,体积小、适用于空间受限的移动终端、物联网、消费电子及高速数字电源线滤波场合。

二、主要参数

  • 型号:MMZ1005S241CT000(TDK)
  • 封装:0402(1005公制)
  • 阻抗:240 Ω @ 100 MHz
  • 直流电阻(DCR):0.28 Ω(280 mΩ)
  • 额定电流:400 mA(连续直流通过能力)
  • 允许误差:±25%(阻抗公差)
  • 工作温度范围:-55 ℃ ~ +125 ℃
  • 通道数:1(单线)

三、器件特性与优势

  • 高频阻抗较高:在 100 MHz 时提供约 240 Ω 的阻抗,对高频噪声尤其有效。
  • 低直流电阻:DCR≈280 mΩ,保证在额定电流下压降和功耗较低,适合低压供电线路。
  • 小尺寸:0402 封装利于高密度布板和紧凑型设备设计。
  • 宽温度工作范围:适合工业级及消费类复杂温度环境。
  • 单通道设计:便于在线路上点对点配置,配合去耦电容可构建高效滤波网络。

四、典型应用场景

  • 手机、平板等移动设备的电源线 EMI 抑制。
  • 高速差分对或单端信号线旁路(结合阻抗匹配时需注意)。
  • IoT 终端、蓝牙/Wi‑Fi 模块的射频干扰隔离。
  • 工业控制板、车载电子低频噪声抑制(在温度与电流范围允许下)。

五、选型与注意事项

  • 若目标频段主要集中在 100 MHz 附近或更高频率,MMZ1005S241CT000 为合适选择;如需在更低频段滤波,需考虑更大阻抗或多级滤波方案。
  • 额定电流 400 mA 为连续直流能力,峰值或交流分量会导致自热并改变阻抗特性,应评估实际工作条件并预留余量。
  • ±25% 为阻抗公差,在严格滤波设计中应考虑误差对整体性能的影响。
  • 小封装在回流、手工焊接或频繁机械应力下易损,PCB 设计时避免过长的拉伸和弯折应力集中。

六、安装与焊接建议

  • 推荐使用标准无铅回流焊工艺,遵循 IPC/JEDEC 的回流温度曲线,峰值温度通常不超过 260 ℃ 且遵循厂商焊接说明。
  • 器件应尽量靠近干扰源或 IC 电源引脚放置,走线短且宽,避免在器件两侧引入长走线和多余阻抗。
  • 过孔与地面的布局需与滤波网络整体考虑,必要时在同一信号线上组合陶瓷电容以构成低通或 PI 结构。

七、测试与验证建议

  • 阻抗测量:在 100 MHz 使用网络分析仪或阻抗分析仪测量,注意夹具和测试引线的寄生影响。
  • DCR 测量:使用微欧计或四端测量法获得更精确值。
  • 热稳定性测试:在额定电流下验证温升及阻抗随温度变化,确保在最高工作温度下性能满足需求。

八、包装与订单信息

  • 厂牌:TDK;器件编号:MMZ1005S241CT000。
  • 常见为卷带(Tape & Reel)包装,便于自动贴片生产线使用。订购时请确认包装规格、最小起订量及交期。

如需进一步电气参数曲线(频率响应、温度系数)、封装图或回流焊工艺文件,可向供应商或 TDK 官方资料索取详细技术手册以完成最终设计验证。

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