WMSIC Electronic Components

Sumida CDRH104RNP-100NC CDRH104RNP

ModelCDRH104RNP-100NC
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-100NC
Type
SUMIDA
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUMIDA
Electronic Component
CDRH104RNP-100NC
Electronic Component
1
Package
SMD,10.2x10mm
Electronic Component
Power Inductor
Electronic Component
±30%
Electronic Component
1.895g
Inductor
10uH
Electronic Component
1
Electronic Component
BM0265592470
Current
4.5A
Resistor(DCR)
26mΩ
Electronic Component
Electronic Component
Electronic Component
1000
and Current(Isat)
4.4A

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

Sumida CDRH104RNP-100NC 贴片功率电感产品概述

一、产品基本定位与品牌背景

CDRH104RNP-100NC是日本胜美达(Sumida)推出的中功率贴片电感,属于其CDRH系列标准功率电感产品。胜美达作为全球电感制造领域的核心厂商,在电源电感的可靠性、一致性设计上积累了数十年经验,该产品继承了品牌在磁芯材料优化、绕线工艺控制方面的优势,适配多数DC-DC转换及滤波场景。

二、核心电气参数详细解析

产品参数针对中功率电源需求做了针对性优化,关键指标如下:

1. 电感值与精度

标称电感值为10μH,精度范围±30%。功率电感的精度要求低于信号电感(如射频电感),±30%的波动范围可满足DC-DC电路的实际需求——电路设计只需保证电感值在标称区间内,即可维持稳定的输出电压与纹波抑制效果,无需过度追求高精度。

2. 电流能力(额定电流与饱和电流)

  • 额定均方根电流(Irms):4.5A
    定义为环境温度25℃下,电感自身温升不超过40K(行业典型值)时可长期承载的最大电流,是电源连续工作的核心参考。
  • 饱和电流(Isat):4.4A
    饱和电流是磁芯开始饱和的临界点(通常指电感值下降至初始值的80%)。需注意:实际应用电流必须低于Isat,否则电感值会大幅下降,导致电路纹波增大、效率降低甚至损坏负载。

3. 直流电阻(DCR)

直流电阻为26mΩ,属于同功率等级电感中的低阻水平。低DCR可显著减少大电流下的铜损耗(损耗公式:(P=I^2·R)),提升电源转换效率,尤其适合快充、工业电源等对效率敏感的场景。

三、封装与物理特性

CDRH104RNP-100NC采用SMD贴片封装,尺寸为10.2mm×10mm(长×宽),符合主流贴片电感的小型化设计趋势。该封装适配自动贴装(SMT)工艺,可直接集成到PCB板上,无需额外焊接工序,适合批量生产。

(注:若需确认高度参数,需参考胜美达官方 datasheet,常见CDRH104系列高度约为5mm,适配多数电子设备的内部空间限制。)

四、典型应用场景

产品参数匹配中功率电源需求,主要应用于以下场景:

1. 消费电子快充电路

如手机、平板、笔记本电脑的快充模块(10W-60W功率范围),10μH电感可配合MOS管实现高效降压/升压转换,4.5A电流能力满足快充时的大电流输出需求。

2. 工业控制电源系统

PLC(可编程逻辑控制器)、伺服驱动器、工业传感器的DC-DC降压电路,需稳定承载中功率负载,该电感的低损耗与可靠性可提升系统稳定性。

3. 车载电子设备

车载充电器、导航仪、车载音响的电源模块,需适应宽温度范围(-40℃至85℃),胜美达的工艺可靠性可满足车载场景的严苛要求。

4. 通信设备电源

路由器、交换机、基站的电源滤波与DC-DC转换,10μH电感可有效抑制纹波,提升信号质量。

五、选型与使用注意事项

  1. 电流降额使用:实际应用电流应低于Isat(4.4A),若环境温度超过25℃(如车载高温场景),需额外降额30%-50%;
  2. 电感值裕量:设计电路时需预留±30%的电感值波动裕量,避免因电感偏差导致输出电压偏离目标值;
  3. 焊盘适配:需参考胜美达官方 datasheet确认焊盘尺寸(通常为12mm×12mm左右),确保PCB焊盘与封装匹配;
  4. 散热设计:若工作电流接近4.5A,需在PCB上增加铜箔面积或预留散热空间,避免电感温升过高影响寿命。

六、产品优势总结

  1. 中功率适配性强:4.5A额定电流覆盖多数中功率电源需求,无需额外升级电感;
  2. 效率提升明显:低DCR(26mΩ)减少铜损,适合对效率敏感的快充、工业电源场景;
  3. 可靠性高:胜美达品牌工艺,满足工业级与消费级的长期稳定性要求;
  4. 小型化设计:10.2×10mm封装节省PCB空间,适配紧凑型设备(如超薄笔记本、车载模块);
  5. 成本可控:作为标准系列产品,性价比优于定制电感,适合批量采购。

该产品是中功率电源电路的高性价比选择,可直接替代同参数的竞争品牌电感,适配多数主流电源设计方案。

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