WMSIC Electronic Components

cjiang FEXL0420A-1R0M FEXL0420A

ModelFEXL0420A-1R0M
PackageSMD,4.1x4.1mm
Brandcjiang
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
cjiang FEXL0420A-1R0M
Type
CJIANG
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FEXL0420A-1R0M
Electronic Component
1
Package
SMD,4.1x4.1mm
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.282g
Inductor
1uH
Electronic Component
1
Electronic Component
BM0265018988
Electronic Component
AEC-Q200
Current
9.6A
Resistor(DCR)
14.6mΩ
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.

FEXL0420A-1R0M功率电感产品概述

FEXL0420A-1R0M是长江微电(cjiang)推出的一款车规级SMD功率电感,针对中功率密度、高可靠性场景设计,尤其适配车载电子、工业电源等领域的小型化布局需求。以下从核心定位、参数解析、可靠性设计等维度展开详细概述。

一、产品核心定位与典型应用场景

这款电感的核心定位是**“小尺寸、大电流、车规级”**,专为需要紧凑空间+稳定大电流供应的场景打造。典型应用包括:

  1. 车载电子系统:ADAS毫米波雷达/摄像头电源、车机系统DC-DC转换器、12V车载LED照明驱动、充电桩辅助电源;
  2. 工业电源模块:小型开关电源、PLC控制器电源、电机驱动电路;
  3. 消费电子延伸:高性能充电器、无人机飞控电源(需高可靠性场景)。

其尺寸仅4.1x4.1mm,可完美适配高密度PCB设计,避免因电感体积占用过多空间影响整体方案小型化。

二、关键性能参数深度解析

FEXL0420A-1R0M的参数设计平衡了电流能力、损耗控制与尺寸,核心参数意义如下:

  • 电感值与精度:1uH±20%,满足功率电路的滤波、储能基本需求,精度范围符合车载/工业应用的常规误差要求(无需超高精度的场景下成本更优);
  • 额定电流与饱和电流:额定电流9.6A,饱和电流(Isat)同步为9.6A——这意味着在额定工作电流下,磁芯不会出现明显饱和(饱和电流是电感值下降30%的临界电流),可保证电路输出稳定,避免纹波增大、效率下降;
  • 直流电阻(DCR):14.6mΩ,低DCR是大电流电感的关键优势:按额定电流计算,导通损耗仅为(I^2R = 9.6^2 \times 14.6 \times 10^{-3} \approx 1.35W),发热小,适合连续工作场景,同时提升电路整体效率;
  • 封装尺寸:4.1x4.1mm SMD(表面贴装),符合IPC标准,可兼容主流回流焊工艺,自动化生产效率高。

三、封装与可靠性设计特点

作为车规级产品,FEXL0420A-1R0M在可靠性设计上针对车载环境做了优化:

  1. AEC-Q200车规认证:通过汽车电子行业通用的可靠性测试(包含温度循环、湿度老化、振动冲击、盐雾测试等),可适应-40℃~125℃的车载工作温度范围,满足极端环境下的长期稳定运行;
  2. 磁芯与绕线工艺:采用铁氧体磁芯+低电阻漆包线绕制,磁芯结构优化减少涡流损耗,绕线紧密性提升电感稳定性;
  3. SMD封装可靠性:封装引脚采用防氧化设计,焊接后附着力强,可承受车载行驶中的振动冲击(符合AEC-Q200振动测试标准:频率10~2000Hz,加速度1.5g)。

四、品牌与品质保障

长江微电(cjiang)是国内专注于电感研发生产的成熟厂商,产品覆盖消费电子、工业、车载等多领域,其车规级电感已批量应用于多家汽车零部件供应商。FEXL0420A-1R0M除AEC-Q200认证外,还通过了RoHS环保认证,符合全球市场准入要求。

五、应用优势总结

FEXL0420A-1R0M的核心优势可概括为“小、稳、省、可靠”:

  • 小:4.1x4.1mm小尺寸,适配高密度PCB;
  • 稳:饱和电流与额定电流一致,工作电流下无明显饱和;
  • 省:低DCR减少损耗,提升电源效率,降低散热成本;
  • 可靠:AEC-Q200认证,适应车载恶劣环境。

综上,该电感是车载电子、工业电源等领域实现“小体积大电流”设计的高性价比选择。

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