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cjiang FTC404020S150MGCA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- cjiang FTC404020S150MGCA
- Type
- CJIANG
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CJIANG
- Electronic Component
- FTC404020S150MGCA
- Electronic Component
- 1
- Package
- SMD,4.1x4.1mm
- Electronic Component
- Power Inductor
- Electronic Component
- ±20%
- Electronic Component
- 0.453g
- Inductor
- 15uH
- Electronic Component
- 1
- Electronic Component
- BM0257252647
- Current
- 2.3A
- Resistor(DCR)
- 210mΩ
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- and Current(Isat)
- 3.5A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
FTC404020S150MGCA 产品概述
一、产品要点
FTC404020S150MGCA 为长江微电（cjiang）推出的一款贴片功率电感，封装尺寸为 4.1 × 4.1 mm。额定电感值 15 μH，公差 ±20%；额定直流电流 2.3 A，饱和电流（Isat）3.5 A；直流电阻（DCR）210 mΩ。适合功率滤波、降压转换器输入/输出滤波和 EMI 抑制等场合。
二、性能解读与工程影响
- 电感值与公差：15 μH ±20%，实际工作电感在约 12—18 μH 范围内，设计时应考虑偏差对截止频率和环路相位的影响。
- 电流能力与饱和：额定电流 2.3 A 为保持规定电感值时的连续载流能力，超过此值电感开始显著下降，3.5 A 为饱和点。建议在连续工作条件下按 60%~80% 的规整度进行电流降额，以保证温升与电感保持稳定。
- DCR 与损耗：DCR 0.21 Ω，铜损 Pcu = I^2·DCR。以额定电流 2.3 A 为例，Pcu ≈ 1.11 W，直流压降约 0.48 V，此项损耗在热管理与效率预算中不可忽视，适合短期脉冲或低 duty 的场合，连续高电流应用需评估温升与散热。
三、典型应用场景
- 开关稳压器（尤其是降压 DC-DC）输出滤波或能量储存；
- 电源输入滤波、EMI/射频噪声抑制；
- LED 驱动与便携电源管理；
- 需要小封装高密度布板的消费电子与工业控制设备。
四、设计与布板建议
- 由于 DCR 较高，应把该器件放置靠近热源或与散热铜箔连通，使用较大地铜平面帮助散热；
- 参考封装 4.1×4.1 mm，焊盘应保证良好焊接面并留足机械固定空间，避免在焊接时产生倾斜；
- 在高频应用中关注自谐频（SRF）与寄生电容，避免工作频率接近或超过 SRF；
- 推荐遵循厂家回流焊曲线（无铅回流峰值温度通常 ≤ 260°C），详细焊接参数以厂家资料为准。
五、可靠性与选型注意
- 工作温度升高会降低电感和加剧 DCR 增长，长期高温会影响寿命；
- 若电路对效率与压降敏感，应优先考虑更低 DCR 的同类产品或并联方案；
- 在需要精确滤波或磁性一致性的场合，注意电感公差 ±20% 对性能的影响，或选用更高精度型号。
六、总结
FTC404020S150MGCA 以小型 SMD 体积提供中等电感量，适用于对空间和封装尺寸敏感的电源与滤波应用。但其 210 mΩ 的 DCR 和由此产生的功耗在高连续电流场合为设计重点，需通过降额、散热和合理布局来保证性能与可靠性。选型时请结合实际电流波形、效率与温升要求，必要时向厂商索取详细频率响应与热阻曲线以完成最终设计验证。
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