WMSIC Electronic Components

cjiang FTC201210S2R2MBCA

ModelFTC201210S2R2MBCA
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
cjiang FTC201210S2R2MBCA
Type
CJIANG
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FTC201210S2R2MBCA
Electronic Component
1
Package
SMD,1.2x2mm
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.041g
Inductor
2.2uH
Electronic Component
1
Electronic Component
BM0233344996
Current
2A
Resistor(DCR)
135mΩ
Electronic Component
Electronic Component
Electronic Component
3000
and Current(Isat)
2.7A

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

FTC201210S2R2MBCA 产品概述

一、产品简介

FTC201210S2R2MBCA 是长江微电(cjiang)推出的一款片式功率电感,封装为 SMD,尺寸约 1.2 × 2.0 mm。额定电流 2A,饱和电流(Isat)2.7A,电感值 2.2 μH(公差 ±20%),直流电阻(DCR)135 mΩ,适用于空间受限且需中等电流承载的电源降噪与储能场合。

二、主要参数

  • 电感值:2.2 μH ±20%
  • 额定电流(Icontinuous):2.0 A
  • 饱和电流(Isat):2.7 A(电感降到某一规定值时的电流)
  • 直流电阻(DCR):135 mΩ
  • 封装:SMD,尺寸约 1.2 × 2.0 mm
  • 品牌:cjiang(长江微电)

三、核心优势

  • 小型化:1.2×2.0 mm 的封装适合高密度贴片设计,节省 PCB 面积。
  • 中等电流能力:2A 连续电流在小封装中表现良好,适合便携式电源或模块化供电。
  • 结构稳定:较高的饱和电流(2.7A)可承受短时冲击电流,降低电感饱和带来的性能退化风险。

四、典型应用

  • 移动设备与便携式电源的升降压转换器(DC-DC)滤波与储能。
  • 电源输入滤波与 EMI 抑制。
  • 小型电源模块、白光 LED 驱动、车载低压电源等对体积与电流有中等要求的场合。

五、选型与热管理建议

  • DCR 较大(135 mΩ),在高电流下会产生显著功耗与发热。功耗近似为 P = I^2 × DCR。例如:
    • I = 1.0 A 时,P ≈ 0.135 W;
    • I = 2.0 A 时,P ≈ 0.54 W。
  • 建议连续工作电流留有裕量,常规设计可按 80% 额定电流(≈1.6 A)作为长期工作值以提升可靠性与温升余量。短时峰值可接近 Isat,但应避免长期饱和运行。

六、布局与焊接建议

  • 贴片布局应尽量缩短电感到开关器件的回路,减少寄生电感与辐射。
  • 贴装时遵循通用贴片焊接工艺,使用适合该尺寸的钢网印锡与回流曲线;避免超出器件耐热限制的高温滞留。
  • 周围应预留一定铜面帮助散热,如允许可在元件下方或邻近设置散热铜带与过孔。

七、测试与质量注意事项

  • 电感值测量建议在规定频率下进行,注意偏差受频率与直流偏置影响;饱和电流测试按厂方条件确认饱和判据。
  • 在批量使用前进行样件的温升、寿命与焊接可靠性测试,以确认在目标工况下的稳定性。
  • 存储与搬运时避免潮湿与机械冲击,遵循常规电子元器件防静电与防潮要求。

八、典型计算示例

  • 若用于降压转换器,若开关电流纹波峰-峰为 0.5 A,则纹波损耗与饱和裕度需核算:纹波倍增会使瞬时电流接近额定值或超过 Isat,应通过滤波或器件并联等方式保证可靠性。
  • 散热设计可依据 P = I^2 × DCR 估算发热,并结合 PCB 热阻与环境条件评估温升。

总结:FTC201210S2R2MBCA 以其小尺寸和较高饱和电流特性,适合中小功率、空间受限的电源设计场景。设计时需关注 DCR 带来的功耗与温升,合理留裕和优化 PCB 布局可获得稳健的电源性能。

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