WMSIC Electronic Components

TDK MPZ1005F470ETD25

ModelMPZ1005F470ETD25
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 MPZ1005F470ETD25
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
MPZ1005F470ETD25
Electronic Component
1
Package
0402
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.012g
Electronic Component
1
Channel Count
1
Electronic Component
BM0262575735
Operating Temperature
55℃~+125℃
Current
450mA
@Frequency
47Ω@100MHz
Resistor(DCR)
450mΩ

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

TDK MPZ1005F470ETD25 片式磁珠产品概述

TDK MPZ1005F470ETD25是一款0402封装的高频干扰抑制片式磁珠,专为小体积、低功耗、宽温环境下的电磁干扰(EMI)抑制设计,广泛应用于消费电子、工业控制及小型通信设备等领域。以下从产品定位、性能参数、封装设计等维度展开详细概述。

一、产品定位与核心应用场景

MPZ1005F470ETD25属于TDK通用型片式磁珠系列,核心定位为小型电路的高频共模/差模干扰抑制元件,适配对体积、功耗敏感的高密度PCB设计。其典型应用场景包括:

  • 消费电子:智能手机、智能手表、无线耳机等便携设备的射频前端、电源滤波电路(抑制100MHz频段附近的干扰);
  • 工业控制:小型传感器模块、PLC辅助电路的EMI防护(适应-55℃~+125℃宽温环境);
  • 通信设备:低功耗蓝牙(BLE)模块、Wi-Fi子板的信号滤波(匹配100MHz典型干扰频段);
  • 汽车电子:车载小型传感器(如胎压监测、车内温度传感器)的电源滤波(需注意额定电流限制)。

二、关键性能参数解析

MPZ1005F470ETD25的核心参数围绕高频阻抗、直流损耗、电流容量及环境适应性设计,具体解析如下:

  1. 高频阻抗特性:标称阻抗47Ω@100MHz,±25%误差。100MHz是射频信号、开关电源纹波等干扰的典型频段,该阻抗值可有效衰减该频段的干扰信号,且±25%的偏差满足大部分通用电路的EMI抑制需求,无需额外匹配;
  2. 直流电阻(DCR):450mΩ(典型值)。低DCR意味着元件直流损耗极小,不影响电路的供电效率,尤其适合电池供电的便携设备(如智能手表的低功耗电路);
  3. 额定电流:450mA(连续直流电流)。该电流容量可覆盖大多数小信号电路的工作电流(如传感器、低功耗MCU的供电电流),若电路电流超过450mA,需并联磁珠或选择更高电流规格;
  4. 工作温度范围:-55℃+125℃。宽温设计覆盖工业级(-40℃+85℃)及部分汽车级(-40℃~+125℃)应用场景,可在极端环境下长期稳定工作;
  5. 通道数:单通道设计,适配单路电源或信号的滤波需求,避免多通道串扰。

三、封装与可靠性设计

MPZ1005F470ETD25采用0402封装(公制1005),体积仅为1.0mm×0.5mm×0.5mm,是当前最小的片式元件封装之一,可显著节省PCB空间,适配高密度布局。TDK针对该封装的可靠性设计包括:

  • 端电极结构:采用镍-锡(Ni-Sn)镀层端电极,兼容无铅回流焊(260℃峰值温度),焊接强度符合IPC标准,避免虚焊、脱焊问题;
  • 环保合规:符合RoHS、REACH等环保指令,不含铅、镉等有害物质,适配全球市场需求;
  • 可靠性测试:通过温度循环(-55℃~+125℃,1000次循环)、湿度试验(85℃/85%RH,1000小时)等可靠性测试,确保长期工作稳定性。

四、电气特性优势总结

MPZ1005F470ETD25的核心优势在于**“小体积+低损耗+宽温适配”**的平衡设计:

  1. 高频干扰抑制精准:47Ω@100MHz阻抗匹配常见干扰频段,可有效衰减射频干扰、开关电源纹波;
  2. 直流损耗极低:450mΩ DCR减少电源损耗,提升电池续航(便携设备)或降低功耗(工业设备);
  3. 环境适应性强:-55℃~+125℃宽温范围,可在高温、低温及湿度环境下稳定工作;
  4. 小封装高密度布局:0402封装适配智能手机、传感器模块等小型化产品的PCB设计。

五、应用注意事项

为确保MPZ1005F470ETD25的性能稳定,应用时需注意以下几点:

  1. 电流限制:电路连续直流电流不得超过450mA,若瞬时电流较大,需评估热效应;
  2. 焊接工艺:遵循TDK推荐的回流焊曲线(峰值温度260℃,时间≤10秒),避免过温损坏;
  3. PCB布局:磁珠应靠近干扰源(如开关电源输出)或敏感电路(如射频前端),减少走线长度以降低干扰耦合;
  4. 阻抗匹配:若需抑制其他频段干扰,需结合目标频段选择对应阻抗的磁珠(MPZ1005系列其他规格)。

综上,TDK MPZ1005F470ETD25是一款高性价比的通用型片式磁珠,适合小体积、低功耗、宽温环境下的EMI抑制需求,是消费电子、工业控制等领域的理想选择。

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