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cjiang FTC252012SR68MBCA
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- cjiang FTC252012SR68MBCA
- Type
- CJIANG
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CJIANG
- Electronic Component
- FTC252012SR68MBCA
- Electronic Component
- 1
- Package
- SMD,2x2.5mm
- Electronic Component
- Power Inductor
- Electronic Component
- ±20%
- Electronic Component
- 0.058g
- Inductor
- 680nH
- Electronic Component
- 1
- Electronic Component
- BM0257699620
- Current
- 6.3A
- Resistor(DCR)
- 17mΩ
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- and Current(Isat)
- 6.5A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
FTC252012SR68MBCA 产品概述
一、概述
FTC252012SR68MBCA 是长江微电（cjiang）推出的一款小型功率电感，封装为 SMD，外形约为 2.0 × 2.5 mm，标称电感值 680 nH，公差 ±20%。该器件针对中高电流、空间受限的开关电源和电源管理应用设计，兼顾体积、饱和电流与直流损耗之间的平衡。
二、关键参数（典型）
- 电感值：680 nH ±20%
- 额定电流：6.3 A（连续工作建议参考）
- 饱和电流 Isat：6.5 A（定义为电感降至额定值若干比例时）
- 直流电阻 DCR：约 17 mΩ
- 封装：SMD，尺寸约 2 × 2.5 mm
- 品牌：cjiang（长江微电）
三、性能要点与工程意义
- 低 DCR（17 mΩ）有助于降低 I^2R 损耗，提高转换效率。举例：在 6 A 连续电流下，铜损约为 6^2×0.017 ≈ 0.612 W，需考虑散热与温升。
- 饱和电流与额定电流接近（6.5A vs 6.3A），使用时应预留余量，避免工作点接近饱和区以维持稳定电感值和纹波控制。
- ±20% 公差与 DC 偏置下电感衰减均需要在电路仿真与实际测量中验证，特别是在高占空比或大直流偏置情况下。
四、典型应用场景
- 中小功率降压转换器（同步或非同步 buck）
- 通信与消费类电源管理（模块电源、CPU/GPU 驱动外围）
- 苗条型或便携设备的点式电源滤波与能量传输元件
五、PCB 布局与可靠性建议
- 将电感放置在开关 MOSFET 与输出电容之间的开关节点附近，走线尽量短且宽，减少寄生电感与串联电阻。
- 为降低温升，建议输出端采用较宽铜箔并配合散热通孔或加强地/电源平面。
- 由于饱和余量有限，设计时建议额定电流留有 10–20% 余量或根据瞬态电流考虑更高裕量器件。
- 按长江微电推荐的回流焊曲线进行贴装与焊接，保证焊点可靠性与电感位置稳定。
六、选型与验证要点
- 验证在目标工作频率与直流偏置下的实际电感值与损耗；必要时做实际温升与纹波测试。
- 若系统有大突变电流或冲击电流，优先选择饱和裕度更大的型号或并联多个电感分担电流。
- 对于对尺寸和效率有严格要求的产品，可结合仿真、评估板测试与长江微电的样片测量数据进行最终定型。
总结：FTC252012SR68MBCA 以其小封装、较高额定电流和低 DCR，适合空间受限且需中高电流的开关电源场景。设计时重视饱和裕度、直流偏置影响与散热管理，能在效率与体积之间取得良好平衡。若需更详细的电气特性曲线、封装尺寸图或回流焊建议，可联系供应商获取规范数据手册。
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