WMSIC Electronic Components

PROD PDMTAT044125-4R7MWU PDMTAT044125

ModelPDMTAT044125-4R7MWU
PackageDIP,14.5x7.0mm
BrandPROD
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

19 specifications

Core information

Product name
PROD PDMTAT044125-4R7MWU
Type
PROD
Minimum package
300 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PROD
Electronic Component
PDMTAT044125-4R7MWU
Electronic Component
1
Package
DIP,14.5x7.0mm
Type
Inductor
Electronic Component
Color Ring / Through-hole Inductor
Electronic Component
±20%
Electronic Component
0.8mm
Electronic Component
2.43g
Inductor
4.7uH
Electronic Component
1
Electronic Component
BM0264342845
Current
10A
Resistor(DCR)
7.5mΩ
Electronic Component
Electronic Component

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

PDMTAT044125-4R7MWU 插件环型电感产品概述

一、产品基本定位与品牌背景

PDMTAT044125-4R7MWU是PROD(谱罗德) 品牌推出的中功率插件环型电感,核心面向需要大电流承载、低损耗及低电磁干扰(EMI)的电子电路场景。作为专业功率电感系列的一员,其设计重点在于平衡电流容量、损耗控制与空间占用,适合开关电源、车载电子等对效率和可靠性有明确要求的领域。

二、核心电气参数明细

该电感的关键电气性能直接决定应用范围,具体参数及实际意义如下:

  1. 电感值与精度:标称电感量4.7μH,精度±20%——满足大多数功率电路的储能、滤波需求,无需过度追求高精度带来的成本增加;
  2. 额定电流:连续工作电流上限10A——衡量电感承载能力的核心指标,可支撑中功率DC-DC变换器、电机驱动辅助电路等场景;
  3. 直流电阻(DCR):7.5mΩ——铜损的主要来源,低DCR意味着相同电流下发热更少、效率更高(10A电流时损耗仅0.75W);
  4. 线径:0.8mm——采用粗线径漆包线绕制,既保证电流承载能力,又降低绕组电阻(线径与电阻成反比)。

三、物理结构与封装特性

  1. 磁芯类型:环型磁芯——磁路封闭性好,漏磁仅为工型电感的1/5~1/10,能有效抑制电磁干扰,符合EMC标准;
  2. 封装形式:DIP插件式——焊接可靠性高,适合手工装配或波峰焊工艺,便于后期维修;
  3. 尺寸规格:整体尺寸14.5mm(直径)×7.0mm(高度)——紧凑的环形结构比同参数工型电感节省约30%的PCB空间,适合高密度布局。

四、典型应用场景

结合参数特性,该电感适用于以下场景:

  1. 开关电源(DC-DC变换器):作为降压/升压电路的储能电感,10A电流+低DCR可提升电源转换效率至90%以上;
  2. 车载电子系统:环型电感的低EMI特性适配汽车电子的电磁兼容要求,可用于车载充电器、中控电源模块;
  3. 工业控制电路:稳定的大电流承载能力,适合电机驱动的续流、滤波电路,降低设备温升;
  4. 通信设备电源:低损耗减少电源模块发热,延长设备使用寿命,适合基站、路由器等通信终端。

五、性能优势与设计特点

  1. 低损耗高效能:7.5mΩ的DCR在同电流等级环型电感中处于领先水平,铜损远低于传统工型电感,适合对效率敏感的电源设计;
  2. 抗干扰能力强:环型磁芯的封闭磁路大幅减少漏磁,可降低电路间的电磁串扰,减少EMI滤波元件的使用;
  3. 可靠性高:插件封装与粗线径设计,避免了贴片电感易脱落、细线径易烧断的问题,适合恶劣环境(如振动、高温);
  4. 成本可控:±20%的精度平衡了性能与成本,无需额外高精度磁芯,适合批量生产需求。

六、选型与使用注意事项

  1. 电流余量建议:实际工作电流建议不超过额定电流的80%(即8A以内),避免长期过载导致磁芯饱和或绕组过热;
  2. 温度适配:需确认工作环境温度(通常环型电感适用-40℃~125℃),若环境温度超过100℃,需降低额定电流至7A以内;
  3. 焊接工艺:波峰焊温度不宜超过260℃,焊接时间不超过3秒,避免损伤漆包线绝缘层;
  4. 精度匹配:若需高精度电感(如射频电路),需选择±10%或更高精度型号,本产品仅适合功率电路。

这款电感通过优化磁芯结构、线径设计与封装形式,实现了“大电流、低损耗、小体积”的平衡,是中功率电子电路中替代传统工型电感的优质选择。

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