WMSIC Electronic Components

TDK MMZ1005A102ET000

ModelMMZ1005A102ET000
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+

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Technical data

Product details

20 specifications

Core information

Product name
TDK MMZ1005A102ET000
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
MMZ1005A102ET000
Electronic Component
1
Package
0402
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.011g
Electronic Component
1
Channel Count
1
Electronic Component
BM0262570676
Operating Temperature
55℃~+125℃
Current
250mA
@Frequency
1kΩ@100MHz
Resistor(DCR)
1.25Ω

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

TDK MMZ1005A102ET000 片式磁珠产品概述

TDK MMZ1005A102ET000是一款专为高频电磁干扰(EMI)抑制设计的1005公制(0402英制)片式磁珠,属于TDK经典EMI滤波系列产品。其核心优势在于紧凑尺寸与针对性高频抑制性能的平衡,适配对空间和干扰控制要求严格的电子设备。

一、核心性能参数详解

该磁珠的关键参数直接指向EMI滤波的实际效果,各参数意义如下:

1. 阻抗特性(1kΩ@100MHz,±25%误差)

磁珠阻抗是感抗与电阻的矢量和,直接决定对特定频率干扰的抑制能力。MMZ1005A102ET000在100MHz频段(常见射频干扰区间) 提供1kΩ有效阻抗,±25%误差符合工业级EMI滤波的常规精度要求。需注意:磁珠阻抗随频率呈“先升后降”趋势,100MHz是其阻抗峰值附近的典型测试点,适配该频段内干扰抑制需求。

2. 直流电阻(DCR:1.25Ω)

DCR是磁珠直流通路的电阻,直接影响信号功耗与直流衰减。1.25Ω低DCR设计在250mA额定电流下功耗仅78.125mW,不会对直流信号造成明显衰减,同时降低自身发热风险。

3. 额定电流(250mA)

额定电流指磁珠可持续稳定工作的最大直流电流,超过该值会导致磁芯饱和(阻抗急剧下降)或过热损坏。250mA额定值适配小信号电路(如传感器、射频前端)的电流需求,若电路电流更大需选型更高额定电流型号。

4. 通道数(1)

单通道设计,可直接串联在单路信号/电源线上实现针对性滤波,无需组合串并联,简化电路设计。

二、封装与尺寸规格

MMZ1005A102ET000采用1005公制封装(对应英制0402),具体尺寸为:

  • 长度:1.0±0.2mm
  • 宽度:0.5±0.2mm
  • 高度:0.5±0.2mm

小尺寸适配高密度PCB布局(如智能手机、智能手表射频模块),兼容标准回流焊工艺,焊接可靠性符合TDK工业级标准。

三、环境适应性与可靠性

该磁珠环境参数覆盖多数恶劣场景:

  1. 工作温度范围:-55℃~+125℃,满足汽车电子(车载信息娱乐系统)、工业控制(PLC模块)等宽温需求;
  2. 材料合规性:符合RoHS 2.0、无卤素(HF)标准,适配全球环保要求;
  3. 可靠性验证:通过TDK高温存储、温度循环、振动冲击测试,典型L10寿命超10万小时。

四、典型应用场景

适配以下领域的EMI滤波需求:

  1. 便携电子:智能手机、智能手表的射频前端、蓝牙/WiFi模块;
  2. 汽车电子:车载传感器(胎压监测、摄像头)、信息娱乐系统;
  3. 工业控制:PLC输入输出模块、传感器节点;
  4. 消费电子:机顶盒、路由器的高频信号滤波(100MHz附近干扰)。

五、选型注意事项

  1. 频率匹配:若干扰频段偏离100MHz(如200MHz/50MHz),需选对应阻抗峰值型号(如TDK MMZ系列其他阻抗值);
  2. 电流匹配:电路电流需≤250mA,若更大(如500mA),需选额定电流更高型号(如MMZ1005B501);
  3. 尺寸适配:0402封装适合高密度布局,空间允许可考虑0603封装提升散热;
  4. 精度需求:±25%误差满足一般EMI要求,医疗设备等高精度场景需选±10%型号。

该产品以紧凑尺寸、针对性高频抑制和宽温适应性,成为小信号电路EMI滤波的高性价比选择,广泛应用于消费电子、汽车电子等领域。

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