WMSIC Electronic Components

Taiwan Lu Hai SL0420-100M SL0420

ModelSL0420-100M
PackageSMD,4.5x4.1mm
BrandElectronic Component
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
SL0420-100M
Type
Taiwan Luhai
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
SL0420-100M
Electronic Component
1
Package
SMD,4.5x4.1mm
Electronic Component
SMD Inductor
Electronic Component
±20%
Electronic Component
0.263g
Inductor
10uH
Electronic Component
1
Electronic Component
BM0265001090
Current
2A
Resistor(DCR)
200mΩ
Electronic Component
Electronic Component
Electronic Component
3000
and Current(Isat)
2.5A

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

SL0420-100M 产品概述

一、产品简介

SL0420-100M 为台湾陆海(Lu Hai)推出的一体成型贴片合金电感,封装为SMD,外形尺寸约4.5 x 4.1 mm。标准感值10 μH,公差±20%,属于面向中功率应用的功率电感器件,适用于开关电源输出滤波、直流降压转换器及电源线抗干扰等场合。

二、主要特性

  • 感值:10 μH ±20%(室温标称值)
  • 额定电流:2.0 A(连续工作参考)
  • 饱和电流(Isat):2.5 A(进入磁饱和、感值显著下降的参考值)
  • 直流电阻(DCR):约200 mΩ(在25°C条件下)
  • 封装:SMD,尺寸4.5×4.1 mm;一体成型合金结构,机械强度好,焊接可靠

三、电气与热性能要点

  • 在额定电流2 A时,DCR导致的铜损约为I^2·R = 0.8 W,器件会产生明显热量,PCB散热布局需充分考虑。
  • 建议连续工作电流按照热和效率要求适当降额(建议取额定电流的70%~80%作为长期可靠的参考值),以避免过热和感值衰减。
  • 饱和电流2.5 A为器件进入磁饱和的参考,应避免长期在接近或超过该值的工况下使用,以保证滤波性能稳定。

四、典型应用

  • 开关稳压器(降压/升压)输出滤波电感
  • 电源模块、点对点供电(POL)电路
  • 电源输入滤波与共模/差模噪声抑制(与电容配合)
  • 工业控制与消费电子中等电流路径的能量存储

五、封装与布局建议

  • 推荐采用回流焊工艺,焊盘尺寸与锡膏厚度按照厂方推荐或行业经验优化,以保证良好热传导与机械可靠性。
  • 由于DCR较高,应在器件下方或附近设计厚铜或过孔散热通道,必要时在对流方向提供空气流动,降低结温。
  • 放置时避免热源近旁堆叠,确保感值温漂与寿命。

六、选型与验证建议

  • 在样机阶段测量实际DCR、感值随电流的变化曲线与温升曲线,确认满足系统效率与热裕量要求。
  • 若系统需要更低损耗或更高持续电流,应考虑更低DCR或更大体积的电感件。
  • 与电容、开关频率配合时,验证总体滤波性能与输出纹波。

七、品质与储存注意

  • 建议按照一般电子元件储存规范:避免潮湿、高温与直接阳光;未用贴片料盘保持原装封装以防氧化与机械损伤。
  • 对回流焊温度曲线采用符合无铅焊接的标准曲线,避免重复高温循环。

八、结论

SL0420-100M 为一款面向中等电流需求的一体成型贴片合金电感,具有结构坚固、封装紧凑的优点。其10 μH、2 A等级适合多数POL及电源滤波场景,但需重视200 mΩ 的DCR带来的功耗与热管理要求。针对热和效率敏感的设计,应在PCB布局与选型阶段进行充分验证与适度降额使用。

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