WMSIC Electronic Components

Sumida CEP125NP-100MC CEP125NP

ModelCEP125NP-100MC
PackageSMD-3P,12.5x12.5mm
BrandSUMIDA
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 Option 166109

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
Sumida CEP125NP-100MC
Type
SUMIDA
Minimum package
1 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUMIDA
Electronic Component
CEP125NP-100MC
Electronic Component
1
Package
SMD-3P,12.5x12.5mm
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.001g
Inductor
10uH
Electronic Component
1
Electronic Component
BM0265844160
Current
5A
Resistor(DCR)
11.2mΩ
Electronic Component
Electronic Component
Electronic Component
1
and Current(Isat)
5A

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

Sumida CEP125NP-100MC 屏蔽绕线电感器产品概述

一、核心规格参数梳理

Sumida CEP125NP-100MC是一款针对中小功率电路优化的屏蔽绕线电感器,核心参数清晰匹配实际应用需求:

  • 电感值与精度:标称10μH,精度±20%,满足一般功率电路对电感偏差的宽容度要求;
  • 电流承载能力:额定电流(Irms,有效值)5A,饱和电流(Isat,电感值下降30%时的临界电流)5A,电流能力与主流DC-DC转换器功率段匹配;
  • 直流电阻(DCR):典型值11.2mΩ,最大值13.5mΩ,低电阻设计可显著降低铜损,提升电路效率;
  • 结构特性:屏蔽式绕线结构,抑制电磁辐射干扰;品牌为日本Sumida(胜美达),工业级可靠性设计。

二、结构设计与工艺特点

该电感的设计聚焦功率稳定性与EMI抑制,关键工艺特点包括:

  1. 屏蔽磁芯工艺:采用高性能铁氧体磁芯并做全屏蔽处理,减少电感工作时向外部辐射的电磁干扰,避免对周边敏感电路(如射频模块、控制IC)造成影响,适合高密度PCB布局;
  2. 粗线径绕制:使用大线径漆包线绕制,提升电流承载能力的同时,降低线损(即DCR),确保5A电流下热损耗可控;
  3. 可靠性测试:经过Sumida标准的温度循环(-40℃125℃)、振动(102000Hz)测试,满足工业级或消费电子的长期可靠性要求。

三、典型应用场景

CEP125NP-100MC的参数特性使其覆盖多个主流应用:

  1. 便携设备DC-DC转换器:笔记本电脑、平板电脑的降压电源模块,为CPU、内存提供稳定电压,低EMI设计避免干扰WiFi/蓝牙等射频功能;
  2. 电源滤波器:手机充电器、移动电源的输出滤波电路,滤除纹波提升电压稳定性;
  3. 车载电子:车载信息娱乐系统、仪表盘的EMI滤波或DC-DC转换,适应车载-40℃~85℃的温度环境;
  4. 小型工业设备:PLC(可编程逻辑控制器)、小型变频器的电源模块,满足10~50W功率段的电流需求。

四、性能优势与实际价值

对比同类产品,该电感的核心价值体现在:

  1. 简化EMI设计:屏蔽结构无需额外加EMI滤波元件,减少PCB空间占用与成本;
  2. 高效能损耗控制:5A电流下铜损仅为0.28W(计算:I²R=5²×0.0112),热损耗小,延长设备寿命;
  3. 电感特性稳定:绕线式结构相比陶瓷电感,电感值随电流变化的线性度更好,避免大电流下电感骤降导致的电路震荡;
  4. 品牌一致性:Sumida的电感产品广泛应用于苹果、华为等品牌设备,批量一致性好,降低生产端不良率。

五、选型与应用注意事项

为确保性能稳定,应用时需注意:

  1. 电流裕量:实际工作电流建议不超过4A(额定电流的80%),预留20%裕量避免过热;
  2. 焊接工艺:若为贴片封装,遵循回流焊曲线(峰值245℃±5℃,时间≤30秒),避免高温损坏磁芯;
  3. PCB布局:电感周边1cm内避免布置射频天线、晶振等敏感元件,进一步降低EMI影响;
  4. 温度范围:确认应用场景温度不超出产品额定范围(通常-40℃~125℃),避免低温下磁芯脆化。

CEP125NP-100MC凭借屏蔽设计、低损耗与稳定电流能力,成为中小功率电源电路的高性价比选择,适用于消费电子、工业与车载等多领域。

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