WMSIC Electronic Components

cjiang FTC160808S2R2MGCA

ModelFTC160808S2R2MGCA
Package0603
Brandcjiang
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
cjiang FTC160808S2R2MGCA
Type
CJIANG
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FTC160808S2R2MGCA
Electronic Component
1
Package
0603
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.03g
Inductor
2.2uH
Electronic Component
1
Electronic Component
BM0262721323
Current
1.4A
Resistor(DCR)
220mΩ
Electronic Component
Electronic Component
Electronic Component
3000
and Current(Isat)
1.5A

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

FTC160808S2R2MGCA 产品概述

一、基本参数

FTC160808S2R2MGCA 为长江微电(cjiang)出品的小型功率绕线电感,主要电气参数如下:

  • 电感值:2.2 μH(公差 ±20%)
  • 额定电流:1.4 A
  • 饱和电流(Isat):1.5 A
  • 直流电阻(DCR):约 220 mΩ
  • 封装尺寸:0603(等同 1608 公制尺寸,约 1.6 × 0.8 mm)

二、关键性能解读

  • 公差与稳定性:±20% 的公差在滤波与抑制电路中属常见级别,设计时应按最差情形(电感下限)留有裕量,尤其在谐振或储能场合。
  • 电流与饱和:额定电流 1.4 A 与饱和电流 1.5 A 相差不大,表明在接近额定点时电感容易进入磁饱和,电感值会明显下降。建议在持续工作情况下做适当降额(例如按 60%–80% 的额定电流选型),以保证线圈不会长期工作在饱和区。
  • 损耗与发热:按 P = I^2·R 计算,在额定电流 1.4 A 时,铜损约为 0.43 W(1.4^2 × 0.22Ω ≈ 0.4312 W),对应电压降约 0.31 V。对于 0603 封装的小型器件,这样的损耗会带来明显温升,应在系统热预算中考虑。
  • 直流偏置效应:小体积铁氧体或绕线电感在直流偏置下电感值会下降,建议在目标电流下测量实际电感并据此调整设计。

三、典型应用场景

  • 便携式设备的电源滤波与去耦(如移动终端、蓝牙、IoT 节点)。
  • 低功率降压(buck)转换器中的输出电感或输入滤波(适用于电流不高的场合)。
  • EMI 滤波与共模/差模噪声抑制(配合电容形成 LC 滤波器)。
  • LED 驱动与传感前端的小电流电源管理。

四、设计与布局建议

  • 降额使用:因 Isat 与额定电流接近,建议在设计中留出充足裕度,长期工作电流最好低于额定值的 60%–80%。
  • 散热与封装:小封装限制了散热能力,尽量保证器件周围有良好铜箔散热通道并避免把热源集中在器件旁;必要时在 PCB 上加散热铜箔或过孔。
  • 布局:将电感靠近电源芯片放置,走短粗走线以减小额外寄生电阻与电感;输入/输出地回路要保持低阻抗,避免环路面积过大。
  • 实测验证:在目标工作点测量电感值、温升和电压降,评估直流偏置下的电感衰减与效率影响。
  • 可靠性:注意焊接工艺与回流曲线对 0603 小体积器件的影响,避免过热或机械应力导致焊点失效。

五、选型注意与替代建议

  • 若工作电流或允许损耗较高,应考虑更大封装(如 0805、1210)或低 DCR 型号以降低铜损和温升。
  • 评估直流偏置特性与频率响应:对于开关电源需关注在工作频率下的有效电感和损耗。
  • 并联使用需谨慎:并联电感会因分流不均导致局部过载,通常优先选用单颗满足电流要求的器件。
  • 在量产前建议索取厂家完整数据手册(含电感-电流曲线、频率特性、温度上升测试等)并做样品评估。

总结:FTC160808S2R2MGCA 以其紧凑的 0603 体积和 2.2 μH 的电感值适合空间受限、低至中等电流的滤波与去耦应用,但由于 DCR 与饱和电流限制,选型时应重视直流损耗、温升与适当的降额设计。若需更高电流或更低损耗,应优先考虑更大封装或低 DCR 替代品。若需要,我可以帮您根据具体电路参数计算损耗并推荐替代型号。

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