WMSIC Electronic Components

Sumida 0420CDMCCDS-2R2MC 0420CDMCCDS

Model0420CDMCCDS-2R2MC
PackageSMD,4.4x4.2mm
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 0420CDMCCDS-2R2MC
Type
SUMIDA
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUMIDA
Electronic Component
0420CDMCCDS-2R2MC
Electronic Component
1
Package
SMD,4.4x4.2mm
Type
Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.307g
Inductor
2.2uH
Electronic Component
1
Electronic Component
BM0265592474
Current
4.3A
Resistor(DCR)
52mΩ
Electronic Component
Electronic Component
Electronic Component
3000

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

Sumida 0420CDMCCDS-2R2MC 功率电感产品概述

Sumida(胜美达)作为全球被动元器件领域的专业厂商,其推出的0420CDMCCDS-2R2MC型号功率电感,凭借一体成型屏蔽结构的核心优势,在小型化、高可靠性电源设计场景中具备明确的适配性。以下从产品定位、参数解析、物理特性、应用场景等维度展开详细概述。

一、产品基本定位

该型号属于一体成型屏蔽功率电感,采用表面贴装(SMD)封装,专为低电磁干扰(EMI)、高电流密度的电源电路设计。Sumida的一体成型工艺通过将线圈与磁芯一体化压制,避免了传统电感线圈裸露的问题,从结构上优化了抗振动、抗冲击能力,同时强化了电磁屏蔽效果,适配对可靠性与空间敏感的应用场景。

二、核心电气参数解析

本型号的关键电气参数直接决定了其应用边界,具体解读如下:

  1. 电感值与精度:额定电感值为2.2μH,精度±20%,满足大多数DC-DC转换器对电感值的常规容错要求,偏差范围符合工业级电源设计的标准;
  2. 额定电流(Irms):4.3A(有效值),指电感在持续工作状态下允许通过的最大电流,超过该值会导致电感发热加剧、转换效率下降,甚至缩短使用寿命;
  3. 饱和电流(Isat):6.3A,定义为电感值随电流增大至下降至额定值80%时的临界电流,可作为短时间过载(如负载突变)的参考上限,避免电感因饱和导致性能突变;
  4. 直流电阻(DCR):52mΩ(典型值),反映电感线圈的铜损,低DCR意味着相同电流下产生的热量更少,有助于提升电源转换效率,减少散热设计需求。

三、封装与物理特性

  1. 尺寸规格:封装尺寸为4.4mm×4.2mm(长×宽),高度参考Sumida官方 datasheet约为2.0mm,小尺寸设计适配笔记本、平板、小型工业设备等对空间敏感的场景;
  2. 结构优势:一体成型屏蔽结构具备以下物理特性:
    • 抗振动能力:可承受10G以上振动(符合Sumida一体成型电感常规标准),适合车载、工业自动化等振动环境;
    • 抗冲击能力:能应对机械冲击,降低运输或使用过程中线圈松动、磁芯碎裂的风险;
    • 电磁屏蔽:减少对外电磁辐射,同时降低外部电磁干扰对自身性能的影响,适配对EMI敏感的通信、医疗设备周边电源。

四、典型应用场景

结合参数与结构优势,该型号适用于以下场景:

  1. 消费电子电源:笔记本电脑、平板电脑、智能音箱等设备的DC-DC降压转换器(如5V转3.3V、12V转5V电路);
  2. LED驱动电源:小功率LED照明(如台灯、面板灯)的恒流/恒压驱动电路,满足4.3A以内的负载电流需求;
  3. 小型工业电源:PLC(可编程逻辑控制器)、传感器模块等低功率工业设备的电源转换单元;
  4. 通信设备周边:路由器、交换机等设备的电源模块,利用低EMI特性减少对射频信号的干扰。

五、选型与使用注意事项

为保证产品性能与可靠性,需注意以下要点:

  1. 电流控制:持续工作电流需严格控制在4.3A以内,短时间过载不超过6.3A,避免电感饱和或过热;
  2. 温度范围:Sumida该系列电感典型工作温度为-40℃~125℃,需确保使用环境温度在额定范围内,必要时增加散热设计;
  3. 焊接工艺:采用回流焊工艺,需遵循Sumida推荐的温度曲线(如峰值温度245℃±5℃,时间不超过30秒),避免手工焊接导致的热损伤;
  4. 布局建议:在PCB布局中,电感应尽量靠近DC-DC转换器的开关管与输出电容,缩短电流路径以减少损耗,同时远离射频电路以降低潜在干扰。

以上概述涵盖了0420CDMCCDS-2R2MC的核心信息,实际选型需结合具体电路需求(如工作频率、电压纹波要求)参考Sumida官方 datasheet进一步验证。

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