WMSIC Electronic Components

cjiang FNR5020S201MT

ModelFNR5020S201MT
PackageSMD
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
cjiang FNR5020S201MT
Type
CJIANG
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FNR5020S201MT
Electronic Component
1
Package
SMD
Type
Magnetic Display Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.181g
Inductor
200uH
Electronic Component
1
Electronic Component
BM0264590531
Current
450mA
Resistor(DCR)
2.6Ω
Electronic Component
Electronic Component
Electronic Component
2500

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

FNR5020S201MT 磁胶屏蔽功率电感产品概述

一、产品基本定位

FNR5020S201MT是长江微电(cjiang) 推出的一款小型化SMD贴片功率电感,属于磁胶屏蔽型电感范畴。其核心定位为低至中等功率电子电路的储能与滤波元件,适配自动化表面贴装工艺,兼具抗干扰与空间节省优势,广泛应用于消费电子、IoT设备等领域。

二、核心电气参数详解

本产品的关键参数直接决定了其适用场景,需重点关注以下维度:

1. 电感量与精度

  • 标称电感值:200uH(型号中“201”为编码标识,代表20×10¹=200uH);
  • 精度范围:±20%,满足一般电源电路对电感量的基本需求,无需过高精度时可有效控制成本。

2. 电流特性(设计核心参考)

  • 额定电流(Irms):450mA
    指环境温度25℃下,电感连续工作时温升不超过40K的最大电流(行业常规标准)。长期工作需将实际电流控制在此范围内,避免热损耗过大。
  • 饱和电流(Isat):330mA
    指电感值下降至初始值30%时的最大电流(磁芯开始饱和的临界值)。若电路峰值电流超过此值,电感量会骤降,导致DC-DC转换效率下降、输出纹波增大,设计时需严格避免。

3. 直流电阻(DCR)

  • 典型值:2.6Ω
    DCR直接影响电感的铜损(I²R),本产品电流范围较小,此参数处于合理区间,兼顾了效率与成本平衡。

三、物理与封装特性

1. 封装与尺寸

  • 封装形式:SMD贴片;
  • 尺寸规格:5×5mm(推测为5.0mm×5.0mm×2.0mm,与型号中“5020”尺寸编码对应),适合高密度PCB布局,节省空间。

2. 屏蔽与结构优势

  • 磁胶屏蔽设计:相比非屏蔽电感,能显著降低电磁辐射(EMI),减少对周边敏感电路(如射频模块、传感器)的干扰,适配对EMI要求较高的设备;
  • 铁氧体磁芯+磁胶封装:磁芯饱和特性稳定,磁胶封装增强抗振动(满足10G~20G振动测试)、抗冲击(1000G冲击)能力,适合便携式设备的可靠性需求。

四、典型应用场景

本产品的参数与特性使其适配以下常见场景:

1. 小型DC-DC电源模块

  • 如手机、平板的辅助电源、IoT设备(如传感器节点)的低功耗电源电路,电流范围匹配450mA以内的需求,电感量200uH可满足储能与滤波要求。

2. 小功率LED驱动

  • 台灯、氛围灯、小型LED显示屏的恒流/恒压驱动电路,磁胶屏蔽减少EMI对周边电路的影响,电感量适配低电流LED串的滤波需求。

3. 消费电子主板

  • 机顶盒、路由器、智能音箱的电源滤波、信号滤波电路,贴片封装兼容自动化生产,磁胶屏蔽提升设备电磁兼容性(EMC)。

4. 工业控制小模块

  • 低功耗传感器节点、小型执行器的电源电路,若工作温宽在-40℃~+85℃范围内,可满足工业级基础可靠性要求。

五、品牌与可靠性优势

1. 品牌背书

长江微电是国内专注于电感研发与生产的企业,产品通过RoHS、REACH等环保认证,符合国际市场准入要求,批量生产一致性好。

2. 可靠性设计

  • 磁芯与线圈结合紧密,避免高温下松脱;
  • 贴片封装焊接可靠性高,虚焊率低;
  • 磁胶屏蔽结构提升抗干扰能力,降低电路调试难度。

六、选型与使用注意事项

  1. 电流降额:高温环境(如+85℃)下需将额定电流降额20%~30%,确保温升不超标;
  2. 峰值电流限制:电路峰值电流不得超过330mA(饱和电流),避免磁饱和;
  3. PCB布局:电感周边避免高频走线,利用磁胶屏蔽减少EMI耦合;
  4. 精度适配:若电路对电感量精度要求高于±20%,需选择更高精度型号。

综上,FNR5020S201MT是一款性价比突出的磁胶屏蔽功率电感,适配低至中等功率电子电路的储能与滤波需求,在消费电子、IoT等领域具有广泛应用价值。

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