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cjiang FNR5040S151MT
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- cjiang FNR5040S151MT
- Type
- CJIANG
- Minimum package
- 1500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CJIANG
- Electronic Component
- FNR5040S151MT
- Electronic Component
- 1
- Package
- SMD
- Type
- Magnetic Display Inductor
- Electronic Component
- Power Inductor
- Electronic Component
- ±20%
- Electronic Component
- 0.579g
- Inductor
- 150uH
- Electronic Component
- 1
- Electronic Component
- BM0264754176
- Current
- 700mA
- Resistor(DCR)
- 975mΩ
- 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.
FNR5040S151MT 产品概述
一、产品简介
FNR5040S151MT 是长江微电（cjiang）推出的一款 SMD 功率电感，规格为 150 µH，公差 ±20%，封装尺寸 5×5 mm。该器件属磁胶屏蔽电感，额定电流 700 mA，饱和电流（Isat）670 mA，直流电阻（DCR）为 975 mΩ。定位于中低频能量储存与滤波场景，适配表面贴装自动化生产。
二、主要特点
- 高电感量：150 µH，可提供较高的能量储存能力，适合低开关频率的电源拓扑。
- 屏蔽结构：磁胶屏蔽设计，有利于减小对周边元件的磁干扰，便于密集布板。
- 紧凑尺寸：5×5 mm SMD 封装，节省 PCB 面积，适合空间受限的方案。
- 性能说明：DCR 较高（约 975 mΩ），在大电流应用下存在功率损耗和温升，应予以注意；Isat（670 mA）略低于额定电流，需留有裕量。
三、典型应用
- 开关电源（降压/升压）输入输出滤波与储能
- DC-DC 模块与电源管理电路
- EMI 降噪与共模/差模滤波器（在配合合适电容时）
- 工业控制、车载电子和消费类便携设备的电源部分
四、封装与安装建议
- 采用标准 SMD 贴片焊接，建议参考厂家推荐的 PCB 焊盘尺寸与回流焊工艺曲线。
- 由于 DCR 和功率损耗较高，建议附近布置散热良好铜箔，并避免将热源集中在元件正上方。
- 放置位置靠近开关管或整流器能有效降低走线电感和 EMI，但需保证电流裕度与热管理。
五、选型注意事项
- 注意 Isat（670 mA）低于额定值 700 mA，实际使用时应按实际纹波电流和最大负载电流进行 derating（建议留 20%~30% 余量）。
- 关注功率损耗：P_loss ≈ I_rms^2 × DCR，长期高负载会导致显著温升。
- 在高频或高脉冲电流场合需验证电感的频率特性和热稳定性。
六、测试与可靠性
建议在设计验证阶段进行 LCR 测试、直流电阻测量、饱和特性测试（随直流偏置测量电感下降）、热循环和温升测试，确认在预期工作条件下性能稳定可靠。
七、采购与替代
型号：FNR5040S151MT，品牌：cjiang（长江微电），封装：SMD，常见包装为卷带（tape & reel）。采购前可向供应商索取样品并做实际电路验证，必要时考虑电感值、DCR、Isat 更匹配的替代型号。
总结：FNR5040S151MT 适用于空间受限且电流等级中等的电源滤波与能量储存场合，但因 Isat 与 DCR 特性，选型时应做好电流裕度与热管理评估。
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