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cjiang FTC322520SR47MBCA
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- cjiang FTC322520SR47MBCA
- Type
- CJIANG
- Minimum package
- 2000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CJIANG
- Electronic Component
- FTC322520SR47MBCA
- Electronic Component
- 1
- Package
- SMD,2.5x3.2mm
- Electronic Component
- Power Inductor
- Electronic Component
- ±20%
- Electronic Component
- 0.14g
- Inductor
- 470nH
- Electronic Component
- 1
- Electronic Component
- BM0261485647
- Current
- 9.5A
- Resistor(DCR)
- 9mΩ
- Electronic Component
- Electronic Component
- Electronic Component
- 2000
- and Current(Isat)
- 15A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
FTC322520SR47MBCA 产品概述
一、产品简介
FTC322520SR47MBCA 是长江微电（cjiang）推出的一款高电流表面贴装功率电感，标称电感值为 470 nH，公差 ±20%。器件采用 SMD 封装，封装尺寸 2.5 × 3.2 mm，针对点负载（point-of-load）与开关电源高效率设计，兼顾低直流电阻与较高饱和电流能力，适合对体积与散热有要求的电源模块应用。
二、主要电气参数
- 电感值：470 nH ±20%
- 额定电流（Irated）：9.5 A（持续工作参考值）
- 饱和电流（Isat）：15 A（高直流偏置下电感显著下降前的标称值）
- 直流电阻（DCR）：约 9 mΩ（典型）
- 封装：SMD，2.5 × 3.2 mm
三、结构与性能特点
该器件采用针对大电流路径优化的绕制与磁芯材料，低 DCR 有利于降低导通损耗，提高转换效率；较高的 Isat 能在瞬态或过载条件下保持较为稳定的磁性能。小尺寸封装兼具良好热导通，使得在有限空间内也能实现高电流传输。
四、典型应用场景
- 同步降压（buck）转换器、点对点电源模块（POL）
- 高电流 LED 驱动与背光电源
- 通信设备、服务器电源、工业控制供电模块
- 电池管理系统与便携式设备的前端电源（在额定条件下使用）
五、使用建议与 PCB 布局要点
- 尽量缩短电感至输入/输出电容的回流路径，采用较宽铜箔或多层过孔增加散热与电流承载能力。
- 电感周围避免放置敏感模拟信号或高精度元件，以减少磁耦合干扰。
- 设计时应考虑直流偏置对实际电感值的影响，工作电流临近 Irated 时电感会有所下降，应留有安全裕量。
- 推荐按照厂商给出的回流焊温度曲线和焊盘尺寸进行贴装与焊接，避免过热或机械应力导致性能退化。
六、可靠性与选型注意
- 若应用中存在持续超过额定电流的可能，应优先选择更大电流等级或更低 DCR 的元件以提高可靠性。
- 该型号未明确标注汽车级资格，汽车类关键应用请咨询厂家并选择具备相应认证的产品。
- 在高温或高频环境下，电阻与损耗会升高，需做热仿真与验证。
七、结语
FTC322520SR47MBCA 以其 2.5×3.2 mm 小型化封装、470 nH 电感值、9 mΩ 低 DCR 及 15 A 饱和能力，为空间受限但要求高电流、高效率的开关电源设计提供了平衡的解决方案。选型时请结合实际工作电流、温度与 EMC 要求，必要时向长江微电获取详细的电感随直流偏置和温度变化的测试资料。
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