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cjiang FNR5040S470MT
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- cjiang FNR5040S470MT
- Type
- CJIANG
- Minimum package
- 1500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CJIANG
- Electronic Component
- FNR5040S470MT
- Electronic Component
- 1
- Package
- SMD,5x5mm
- Type
- Magnetic Display Inductor
- Electronic Component
- Power Inductor
- Electronic Component
- ±20%
- Electronic Component
- 0.579g
- Inductor
- 47uH
- Electronic Component
- 1
- Electronic Component
- BM0231141183
- Current
- 1.15A
- Resistor(DCR)
- 354mΩ
- Electronic Component
- Electronic Component
- Electronic Component
- 1500
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
FNR5040S470MT 产品概述
一、产品简介
FNR5040S470MT 是长江微电（cjiang）系列磁胶屏蔽功率电感，标称电感值 47 μH，公差 ±20%，封装为 SMD，尺寸约 5×5 mm，适合面向中小电流电源滤波与能量储存场景的表贴应用。
二、主要规格参数
- 电感值：47 μH ±20%
- 额定电流：1.15 A（连续）
- 饱和电流（Isat）：1.2 A（电感下降显著）
- 直流电阻（DCR）：354 mΩ
- 类型：磁胶屏蔽电感（屏蔽良好，外磁场泄露小）
- 封装：SMD，5×5 mm
- 品牌：cjiang（长江微电）
三、性能亮点
- 屏蔽结构有效抑制外泄磁场，利于高密度布板和近邻敏感电路布设；
- 小体积面贴封装，适合自动化贴装与回流焊；
- 直流电阻较高，便于在低频/高电感值场合稳定位移与滤波。
四、应用场景
- 低频开关电源（作为输出滤波或输入滤波）与功率模块；
- 嵌入式系统、通信设备、工业控制与消费类电源滤波与能量储存；
- LED 驱动、传感器电源去耦等需中等电流的场合。
五、选型与使用建议
- 功耗估算：在额定电流 1.15 A 下，铜耗约 P = I²·DCR ≈ 1.15²×0.354 ≈ 0.47 W，应考虑散热与温升；
- 饱和裕量：尽量让工作峰值电流低于 Isat，建议连续工作电流不超过额定电流并保留裕量（例如 ≤ 80–90%）；
- 频率匹配：47 μH 属较大电感值，更适合较低开关频率或工频滤波；高频开关应考虑电感值与纹波电流的折衷；
- DCR 对效率影响明显，如对效率要求高可选 DCR 更低型号。
六、安装与可靠性注意
- 兼容常规无铅回流焊工艺，具体回流曲线请参照供应商资料；
- 摆放时避免强机械冲击与反复弯曲 PCB；存储避免高湿高温，应按电子元器件通用规范保管。
七、采购与技术支持
如需样品、封装图纸、温升曲线或详细回流工艺建议，请向长江微电或授权分销商索取 FNR5040S470MT 的数据手册与可靠性报告，以获得精准的设计与可靠性验证资料。
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