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cjiang FTC322510S2R2MBCA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- cjiang FTC322510S2R2MBCA
- Type
- CJIANG
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CJIANG
- Electronic Component
- FTC322510S2R2MBCA
- Electronic Component
- 1
- Package
- SMD,2.5x3.2mm
- Electronic Component
- Power Inductor
- Electronic Component
- ±20%
- Electronic Component
- 0.081g
- Inductor
- 2.2uH
- Electronic Component
- 1
- Electronic Component
- BM0264215874
- Current
- 3.7A
- Resistor(DCR)
- 66mΩ
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- and Current(Isat)
- 4A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
FTC322510S2R2MBCA 产品概述
一、产品简介
FTC322510S2R2MBCA 为长江微电（cjiang）推出的一款贴片功率电感，封装尺寸为 2.5 × 3.2 mm，专为高密度电源设计与开关稳压器滤波而优化。器件体积小、额定电流较高，适合移动电源、降压转换器及其它受空间约束的电源模块。
二、主要参数
- 电感值：2.2 µH（公差 ±20%）
- 额定电流：3.7 A（连续温升限制下的额定电流）
- 饱和电流（Isat）：4 A（磁芯进入明显饱和的起始电流）
- 直流电阻（DCR）：66 mΩ
- 封装：SMD，尺寸 2.5 × 3.2 mm
- 品牌：cjiang（长江微电）
三、核心性能与优势
- 小尺寸高电流承载：2.5×3.2 mm 的 SMD 封装，便于高密度 PCBA 布局，同时额定电流 3.7 A 满足多数小功率降压或滤波需求。
- 耐饱和能力：Isat 4 A，短时或冲击电流容忍度较好，适合有瞬态峰值电流的应用。
- 可控损耗：虽然体积小，但 DCR 为 66 mΩ，在高电流下仍能保持可接受的能量损耗与温升。
四、典型应用场景
- DC-DC 降压转换器（尤其是便携式设备、电源模块）
- 输入/输出电源滤波器，抑制开关噪声与纹波
- LED 驱动、便携式充电器、车载电子（非严苛环境）
- 电池管理与能量传输子系统
五、设计与使用建议
- 损耗估算：在额定电流 3.7 A 条件下，直流损耗约为 P = I^2·R ≈ 3.7^2×0.066 ≈ 0.9 W。该功耗会导致明显温升，设计时应评估热管理和散热路径。
- 选型与降额：建议在典型工作电流下留有裕量（例如工作电流不超过额定电流的 80%），以降低温升并延长可靠性；若系统有较大纹波电流，应以纹波峰值判断是否接近 Isat。
- 饱和考虑：当电流接近或超过 Isat（4 A）时，电感量会显著下降，可能影响电源环路稳定性与纹波，需在电路仿真中验证。
- PCB 布局：采用短且宽的电流回路，减小寄生电阻与磁耦合。电感焊盘应保证足够铜箔厚度与焊接面积，必要时在下层布置散热铜箔或过孔改善散热。
- 焊接与可靠性：遵循常规无铅回流曲线与 IPC 焊接实践，避免过热和机械应力。存储与安装时注意防潮与机械冲击。
六、采购与替代建议
FTC322510S2R2MBCA 适合需要中等电流、高密度布局的小型电源设计。选择时关注实际纹波电流、允许温升及电源拓扑；若需更低 DCR 或更高 Isat，可考虑同尺寸或更大封装的功率电感作为替代。采购时建议索取样片和详细数据手册以确认频率响应、温度特性及焊接规范。
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