WMSIC Electronic Components

Sumida CDRH127/LDNP-270MC CDRH127

ModelCDRH127/LDNP-270MC
PackageSMD-4P,12x12mm
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 CDRH127 / LDNP-270MC
Type
SUMIDA
Minimum package
500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUMIDA
Electronic Component
CDRH127/LDNP-270MC
Electronic Component
1
Package
SMD-4P,12x12mm
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
4.854g
Inductor
27uH
Electronic Component
1
Electronic Component
BM0265592437
Current
4.2A
Resistor(DCR)
32mΩ
Electronic Component
Electronic Component
Electronic Component
500
and Current(Isat)
4.2A

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

Sumida胜美达CDRH127/LDNP-270MC功率电感产品概述

CDRH127/LDNP-270MC是日本胜美达(Sumida)推出的一款小体积贴片功率电感,专为中功率电源电路的高密度集成设计打造。凭借紧凑的12×12mm封装、4.2A的稳定电流能力及低损耗特性,该电感可广泛应用于便携式电子、小型工业电源及车载辅助电路等场景,是平衡体积与性能的理想选择。

一、核心参数与规格明细

该电感的关键参数经过针对性优化,精准匹配主流电源电路的设计需求:

  • 电感值与精度:27μH,精度±20%——覆盖大多数DC-DC转换器的电感值范围,偏差满足工业级及消费电子的常规设计要求,无需额外预留过多裕量;
  • 电流能力:额定电流(Irms)与饱和电流(Isat)均为4.2A——两者一致意味着在额定工作电流下,电感值下降幅度控制在30%以内(行业Isat定义),避免因电感饱和导致的输出纹波增大、效率骤降等问题;
  • 直流电阻(DCR):32mΩ(典型值)——低DCR设计可显著降低导通损耗,减少电源模块发热,提升转换效率;
  • 封装与尺寸:SMD-4P(贴片4引脚),12×12mm(长×宽)——体积紧凑,适配自动化贴装工艺,适合高密度PCB布局。

二、封装与物理特性优势

12×12mm的SMD-4P封装是该电感的核心设计亮点之一:

  • 小体积适配高密度集成:相比同电流等级的14×14mm或更大封装电感,12×12mm尺寸可节省约25%的PCB面积,尤其适合手机、平板等便携式设备的电源模块(此类设备对空间要求严苛);
  • 4引脚增强可靠性:区别于传统2引脚贴片电感,4引脚设计提升了机械强度,在振动环境(如车载、工业现场)下不易脱落,同时改善了散热路径,进一步降低工作温度;
  • 贴装兼容性:符合标准SMD封装规范,可通过常规SMT设备贴装,无需特殊工艺,降低生产难度与成本。

三、电气性能核心优势

该电感针对电源电路的关键需求优化,性能表现突出:

  1. 低损耗提升效率:32mΩ的DCR在4.2A额定电流下,导通损耗仅约0.56W(计算公式:P=I²×R),比同规格(27μH/4A)DCR为40mΩ的电感损耗降低20%,有助于电源模块实现90%以上的转换效率;
  2. 电流稳定性优异:额定电流与饱和电流一致,确保在最大工作电流下电感值仍保持稳定——例如,当负载电流达到4.2A时,电感值下降幅度≤30%,不会影响DC-DC转换器的输出电压精度;
  3. 高频适应性:适配100kHz~1MHz的开关频率(主流电源芯片常用范围),在高频下仍能保持良好的电感特性,满足快充、LED驱动等高频应用需求。

四、典型应用场景

结合参数特性,CDRH127/LDNP-270MC可覆盖以下场景:

  • 便携式电子设备:手机18W/20W快充模块、平板电源管理单元(PMU)的滤波电感;
  • 小型消费电子:笔记本电脑DC-DC降压电路(给CPU/内存供电)、显示器电源模块;
  • 工业与车载辅助电路:PLC辅助电源、车载信息娱乐系统的电源滤波电感(4引脚抗振动特性适配车载环境);
  • LED驱动电源:小功率LED显示屏、照明驱动的输出电感。

五、品牌与可靠性保障

胜美达(Sumida)作为全球知名的电感制造商,其产品具有以下可靠性优势:

  • 工艺成熟一致性好:采用高精度绕线工艺,电感值、DCR等参数一致性高,适合批量生产(避免因参数差异导致的产品性能波动);
  • 环保合规:符合RoHS、REACH等国际环保标准,满足出口及绿色产品设计要求;
  • 长期稳定供应:作为成熟产品线,该电感供货稳定,可支持项目的长期量产需求。

总结

CDRH127/LDNP-270MC功率电感在小体积、低损耗、高可靠性之间实现了平衡,是中功率电源电路设计的高性价比选择。无论是便携式设备的高密度集成,还是工业/车载场景的振动耐受需求,该电感均能提供稳定可靠的性能支持,降低设计与生产的复杂度。

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