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cjiang FNR3015S101MT
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- cjiang FNR3015S101MT
- Type
- CJIANG
- Minimum package
- 2000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CJIANG
- Electronic Component
- FNR3015S101MT
- Electronic Component
- 1
- Package
- SMD
- Type
- Magnetic Display Inductor
- Electronic Component
- Power Inductor
- Electronic Component
- ±20%
- Electronic Component
- 0.075g
- Inductor
- 100uH
- Electronic Component
- 1
- Electronic Component
- BM0264532922
- Current
- 250mA
- Resistor(DCR)
- 4.043Ω
- Electronic Component
- Electronic Component
- Electronic Component
- 2000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
FNR3015S101MT 产品概述
一、产品简介
FNR3015S101MT 是长江微电（cjiang）出品的一款磁胶屏蔽功率电感，封装为 SMD，外形尺寸 3×3mm。标称电感值 100 μH，公差 ±20%，额定电流 250 mA，饱和电流（Isat）250 mA，直流电阻（DCR）4.043 Ω。该器件面向小型化电源滤波与电磁干扰抑制场景，适用于空间受限且电流需求不高的电路。
二、主要参数
- 电感值：100 μH ±20%
- 额定电流：250 mA
- 饱和电流：250 mA
- 直流电阻：4.043 Ω
- 类型：磁胶屏蔽电感（屏蔽结构）
- 封装：SMD，3×3 mm
- 品牌：cjiang（长江微电）
三、性能特点
- 高电感密度：在 3×3mm 小封装内实现 100 μH，利于电路小型化。
- 屏蔽设计：磁胶屏蔽减小对周边敏感元件的磁耦合，便于紧密布局。
- 适合低功率场合：额定电流与饱和电流一致，适合稳态低电流滤波用途。
- 相对较高 DCR：4.043 Ω 导致在接近额定电流时功耗显著（P≈I²·R），需注意热量与效率影响。
四、典型应用
- 低速 DC-DC 降压滤波（小电流子系统）
- 电源输入滤波与去耦，抑制开关噪声
- 便携式设备、传感器模组与物联网终端的电源管理
- EMI/EMC 抑制环节中对磁耦合要求较高的场合
五、使用建议与注意事项
- 热功耗评估：按最大额定电流 250 mA，损耗约 0.25 W，长期工作可能导致明显升温，建议留有电流余量（如 50% 降额）以降低温升并延长寿命。
- 饱和余量：Isat 与额定电流相同，若电路存在浪涌或脉冲电流，应选取更高饱和电流的型号或增加裕量，避免电感值下降影响性能。
- 布局建议：走线尽量短、粗，放置靠近电源或开关器件的输入/输出处；屏蔽朝向可减小对模拟敏感区域的影响。
- 温度与环境：遵循厂家温度规范，避免长期在高温高湿环境中使用。
六、封装与焊接建议
- 推荐采用标准回流焊工艺，遵循组件最大回流温度与曲线（参考厂方 Datasheet）。
- 建议按照厂方提供的 PCB 焊盘设计规则布线，保证焊点可靠性与良好热散。
- 手工焊接时注意短时间加热，避免损伤磁胶材质。
七、采购与质量保证
- 选购时核对型号 FNR3015S101MT 与参数，向供应商索取完整 Datasheet 与可靠性报告。
- 对于量产建议先做样机验证，包括温升、效率与滤波效果测试；如需更高电流或更低 DCR，可考虑同系列中更高规格型号。
如需基于具体电路的热耗、降额计算或替代型号推荐，我可以根据电路条件进一步分析。
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