WMSIC Electronic Components

cjiang FTW1608FE100KT

ModelFTW1608FE100KT
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 FTW1608FE100KT
Type
CJIANG
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FTW1608FE100KT
Electronic Component
1
Package
0603
Electronic Component
Power Inductor
Electronic Component
±10%
Electronic Component
0.024g
Inductor
10uH
Electronic Component
1
Electronic Component
BM0233329117
Current
280mA
Resistor(DCR)
1.85Ω
Electronic Component
Electronic Component
Electronic Component
4000
and Current(Isat)
280mA

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

FTW1608FE100KT 产品概述

一、产品简介

FTW1608FE100KT 是 cjiang(长江微电)推出的一款功率电感,规格为 10 μH(公差 ±10%),额定电流 280 mA,饱和电流(Isat)同为 280 mA,直流电阻(DCR)为 1.85 Ω,封装为 0603(公制 1608)。该器件面向小型化电源滤波与低功率开关电源场景,兼顾体积与磁性能,适用于对空间要求严格的便携与消费类电子产品。

二、主要参数(摘要)

  • 电感值:10 μH ±10%
  • 额定电流:280 mA
  • 饱和电流(Isat):280 mA
  • 直流电阻(DCR):1.85 Ω
  • 封装:0603(1608)贴片
  • 品牌:cjiang(长江微电)

三、性能特征与优势

  • 小尺寸:0603 封装适合高密度 PCB 布局,节省空间。
  • 适应低电流场景:额定电流 280 mA,适合低功耗 DC-DC 模块与滤波电路。
  • 明确的 Isat 指标:额定电流与饱和电流相同,说明在接近额定电流时电感可能出现明显降额现象,需要注意工作裕量。
  • 可预测的损耗:已知 DCR 可用于估算电阻性损耗,便于热设计与电能效率评估。

四、典型应用

  • 低功率降压/升压转换器(小电流段)
  • 电源输入滤波(LC 滤波器)与去耦
  • 模拟/数字电源隔离与噪声抑制
  • 传感器模块、蓝牙/低功耗无线设备、可穿戴设备等空间受限的电子产品

五、选型建议与使用注意

  • 电流裕量:建议将工作电流控制在 Isat 的 50%–70% 范围内(约 140–196 mA),以避免电感显著降额与过热风险。
  • 功率损耗计算:在最大额定电流 280 mA 下,直流损耗 P = I^2·DCR ≈ 0.28^2 × 1.85 ≈ 0.145 W(约 145 mW),对 0603 小封装来说热量较高,应评估温升与散热路径。
  • DC 偏置影响:电感值会随直流偏置电流下降,实际电路中需按工作电流测量或参考厂商测试曲线进行裕量设计。
  • 频率特性:高频下自谐振与寄生电容会影响有效电感值,关键应用请参考或向供应商索取频率响应数据。
  • 若需要更低 DCR 或更高电流能力,请选用更大封装(如 0805、1210)或不同结构的功率电感。

六、封装与焊接建议

  • 焊接工艺:兼容常规无铅回流焊工艺,建议遵循厂商推荐回流温度曲线(典型 260 °C 峰值,实际以供应商资料为准)。
  • PCB 布局:附近留有足够的铜面用于散热,输入/输出走线宽且短,减少额外串联阻抗与发热。
  • 存储与处理:避免强磁场与机械撞击,贴片在焊接前应正确存放以防潮湿影响,可按常规 SMD 元件进行回流前烘烤处理。

七、热与电气校核示例

  • 以 200 mA 连续工作为例,损耗 P = 0.2^2 × 1.85 = 0.074 W(74 mW),相对安全;在 280 mA 工作时损耗显著上升(约 145 mW),需要评估 PCB 温升。
  • 在设计开关电源时,需同时考虑纹波电流对电感的附加加热与电感值下降带来的电路响应变化。

八、总结

FTW1608FE100KT(cjiang 长江微电)是一款针对小电流、体积受限场景优化的 10 μH 功率电感,适合用于低功耗电源滤波与小型 DC-DC 转换器。选用时需重视电流裕量与热管理,必要时通过放大封装或更低 DCR 器件来满足更高电流或更低损耗的设计需求。如需更多频率特性或温升数据,建议向供应商索取完整数据手册以便精确验证。

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