WMSIC Electronic Components

cjiang FTC201208S2R2MBCA

ModelFTC201208S2R2MBCA
PackageSMD,1.2x2mm
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
cjiang FTC201208S2R2MBCA
Type
CJIANG
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FTC201208S2R2MBCA
Electronic Component
1
Package
SMD,1.2x2mm
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.036g
Inductor
2.2uH
Electronic Component
1
Electronic Component
BM0264900046
Current
2.2A
Resistor(DCR)
160mΩ
Electronic Component
Electronic Component
Electronic Component
3000
and Current(Isat)
2.6A

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

FTC201208S2R2MBCA 产品概述

一、概述

FTC201208S2R2MBCA 是长江微电(cjiang)推出的一款小尺寸功率电感,标称电感量为 2.2 μH,公差 ±20%,适用于高密度、近片式(point-of-load)电源滤波与能量储存场合。封装为 SMD,外形尺寸约 1.2 × 2.0 mm,适配现代移动、物联网与便携设备对体积与高度的严格要求。

二、主要参数

  • 电感值:2.2 μH(±20%)
  • 额定电流(Irated):2.2 A
  • 饱和电流(Isat):2.6 A(达到此电流时电感量显著下降)
  • 直流电阻(DCR):160 mΩ
  • 封装形式:SMD,尺寸 1.2 × 2 mm
  • 型号:FTC201208S2R2MBCA(品牌:长江微电,cjiang)

三、性能特点与使用注意

  • 小型化设计:1.2×2 mm 的超小体积适合高密度 PCB 布局,便于多相电源或紧凑型功率模块集成。
  • 中等电流等级:额定电流 2.2 A,适用于小功率至中等功率降压(buck)转换器或输出滤波应用。
  • DCR 与发热:160 mΩ 的直流电阻在较大电流下会产生明显 I^2·R 损耗。以额定电流 2.2 A 计算,损耗约 0.77 W;因此在设计时需考虑热管理与适当电流余量,建议持续工作电流按 70%–80% 的额定电流选型以降低温升。
  • 饱和特性:Isat=2.6 A 意味着当电流接近或超过该值时电感量会急剧下降,可能导致输出电压纹波上升或控制环路不稳定,应避免长期运行在接近饱和点的工况。

四、典型应用场景

  • 移动终端与便携设备的 DC-DC 降压转换器输出滤波
  • IoT 节点、可穿戴设备的电源管理模块
  • 工业与通信设备的局部电源(点对点)滤波与能量储存
  • 多相电源的相间电感或紧凑式电源模块内嵌件

五、PCB 布局与焊接建议

  • 焊盘与封装:推荐按照厂商推荐的 PCB land pattern 进行焊盘设计,确保焊点可靠并兼顾热传导。
  • 散热路径:因 DCR 损耗不容忽视,建议在电感附近保留散热铜箔并与底层大铜面相连,以利热量扩散。
  • 安放位置:尽量靠近开关元件或整流二极管以缩短信号回路,减小环路面积,降低电磁干扰。
  • 焊接工艺:建议采用标准无铅回流焊工艺,遵循器件最高耐受温度与回流曲线,具体以长江微电的产品资料为准。

六、选型与可靠性建议

  • 电流裕量:为保证长期可靠性与温升控制,实际应用建议工作电流留有一定裕量(如 70%–80%),并评估瞬态脉冲电流对电感的冲击。
  • 温度与环境:器件长期可靠性受工作温度影响较大,高温环境下 DCR 会增加,电感效率下降,应在系统级做热仿真与测试。
  • 认证与测试:在最终产品中使用前建议进行功率循环、热循环、机械震动与电气老化测试,以验证在目标工况下的稳定性。

总结:FTC201208S2R2MBCA 以其超小封装与较高的电流能力,适合在体积受限但需实现中等功率传输的场合使用。合理的电流选型、良好的 PCB 散热与布线,以及遵循厂商焊接规范,是保障其性能与可靠性的关键。欲获更详细的电气曲线、尺寸图与回流焊建议,请参考长江微电官方规格书或联系供应商获取原厂资料。

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