WMSIC Electronic Components

Sumida CDRH104RNP-220NC CDRH104RNP

ModelCDRH104RNP-220NC
PackageSMD,10.2x10mm
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Sumida CDRH104RNP-220NC
Type
SUMIDA
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUMIDA
Electronic Component
CDRH104RNP-220NC
Electronic Component
1
Package
SMD,10.2x10mm
Electronic Component
Power Inductor
Electronic Component
±30%
Electronic Component
1.754g
Inductor
22uH
Electronic Component
1
Electronic Component
BM0008740327
Current
2.8A
Resistor(DCR)
73mΩ
Electronic Component
Electronic Component
Electronic Component
1000
and Current(Isat)
2.9A

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

Sumida CDRH104RNP-220NC 功率电感产品概述

一、产品定位与基本属性

CDRH104RNP-220NC是日本胜美达(Sumida)推出的贴片式功率电感,专为中小功率电源电路设计,核心面向需要紧凑体积、中等电流承载能力的电子设备。胜美达作为全球知名的电感制造商,该产品延续了日系元器件的可靠性优势,适用于消费电子、工业控制、汽车辅助电路等多场景。

二、核心电气参数详解

该电感的关键参数明确了其性能边界,需结合应用场景匹配:

  1. 电感值与精度:额定电感量22μH,精度±30%。该精度满足大多数功率电路的滤波、储能需求(如DC-DC转换器),无需高精度匹配时可降低系统成本;
  2. 电流特性:
    • 额定电流(Irms)2.8A:连续工作时电感表面温度不超过额定值(胜美达同类产品通常为125℃)的最大电流,是长期稳定工作的核心指标;
    • 饱和电流(Isat)2.9A:电感量下降30%时的电流,该值与额定电流接近,说明磁芯饱和特性优异——短暂过载(如脉冲电流)时,电感量波动小,可维持电路稳定性;
  3. 直流电阻(DCR):73mΩ,属于同体积电感的低阻水平,能显著降低铜损,减少发热并提升电路效率;
  4. 隐含宽温特性:结合胜美达同类产品,工作温度范围为-40℃至+125℃,满足工业级和汽车级的宽温需求。

三、物理封装与结构特点

该电感采用SMD贴片封装,尺寸为10.2mm×10mm(长宽),属于小型化功率电感,适合PCB布局紧凑的设备(如智能手机电源模块):

  • 结构:铁氧体磁芯+漆包铜线绕制,磁芯材质为胜美达自研的高性能铁氧体,兼顾高磁导率与低损耗;
  • 焊盘设计:符合IPC标准,引脚间距适配自动化贴装,回流焊可靠性高,避免手工焊接虚焊风险;
  • 体积优势:10.2×10mm的紧凑尺寸,比传统插件电感节省约50%的PCB空间,适合便携式设备的轻量化设计。

四、性能优势分析

  1. 效率与发热控制:低DCR(73mΩ)减少了铜损,配合磁芯的低磁损设计,连续工作时表面温度低(额定电流下约60-80℃),无需额外散热措施;
  2. 电流稳定性:饱和电流略高于额定电流,过载时电感量下降幅度小,可避免DC-DC转换器输出电压波动,提升负载端稳定性;
  3. 成本与性能平衡:22μH±30%的精度和中等电流能力,兼顾了性能与成本,适合中低端电源产品(如入门级USB充电器、LED台灯驱动);
  4. 可靠性:胜美达对该产品进行了振动(10-2000Hz,1.5G)、温度循环(-40℃→+125℃,1000次)等可靠性测试,满足长期稳定工作需求。

五、典型应用场景

  1. 便携式电子设备:智能手机、平板电脑、智能手表的电源管理模块(DC-DC降压转换器),承载2-3A电流,匹配紧凑体积需求;
  2. LED驱动电源:低功率LED照明(台灯、小夜灯)的恒流驱动电路,电感储能稳定LED电流;
  3. 小型开关电源:USB充电器、适配器的次级滤波电感,满足2.8A以内的输出电流;
  4. 汽车电子辅助电路:车载显示屏、传感器的电源模块(宽温-40~+125℃适配汽车环境);
  5. 工业控制模块:小型PLC、传感器节点的电源电路,依赖其可靠性与宽温特性。

六、使用注意事项

  1. 电流限制:连续工作电流≤2.8A,峰值电流≤2.9A(饱和电流),过载会导致电感量下降,影响电路滤波效果;
  2. 温度控制:避免在+125℃以上环境长时间工作,防止磁芯老化;
  3. 焊接要求:采用回流焊工艺,峰值温度240-260℃,时间≤10秒,手工焊接温度≤350℃(时间≤3秒);
  4. 储存条件:未使用的电感储存在湿度≤60%的干燥环境,避免受潮影响焊接性能;
  5. PCB布局:电感附近避免放置高发热元件,焊盘尺寸需匹配引脚(推荐焊盘直径1.2mm),防止虚焊。

综上,CDRH104RNP-220NC是一款平衡了体积、电流能力与成本的高性价比贴片功率电感,适合中小功率电源电路的批量应用,是消费电子与工业领域的实用选择。

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