WMSIC Electronic Components

cjiang FTC201610S2R2MBCA

ModelFTC201610S2R2MBCA
PackageSMD,1.6x2mm
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 FTC201610S2R2MBCA
Type
CJIANG
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FTC201610S2R2MBCA
Electronic Component
1
Package
SMD,1.6x2mm
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.039g
Inductor
2.2uH
Electronic Component
1
Electronic Component
BM0232014688
Current
2.5A
Resistor(DCR)
120mΩ
Electronic Component
Electronic Component
Electronic Component
3000
and Current(Isat)
3A

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

FTC201610S2R2MBCA 产品概述

一、产品简介

FTC201610S2R2MBCA 为长江微电(cjiang)推出的一款表贴功率电感,标称电感量 2.2 μH,适用于空间受限且对电流能力有一定要求的电源滤波与能量储存场合。器件采用 SMD 封装,外形尺寸 1.6 × 2.0 mm,适合高密度贴片组装。

二、主要参数

  • 电感值:2.2 μH(公差 ±20%)
  • 额定电流:2.5 A(连续可用电流)
  • 饱和电流 Isat:3 A(在此电流附近电感量显著下降)
  • 直流电阻 DCR:120 mΩ
  • 封装:SMD,尺寸 1.6 × 2.0 mm
  • 品牌:cjiang(长江微电)
  • 产品型号:FTC201610S2R2MBCA

三、性能特点

  • 小尺寸高功率:1.6×2.0 mm 的小型封装适合高密度 PCB 布局,同时额定电流 2.5 A 提供较好的输出滤波与能量传输能力。
  • 可控饱和特性:Isat=3 A,为设计时留有过载裕量提供参考,避免在瞬态或启动时过早进入磁饱和。
  • 明确的损耗预估:DCR=120 mΩ,可用于计算铜损及温升(例如在额定电流 2.5 A 时,P_loss ≈ I^2·DCR ≈ 0.75 W),提示在热管理上需注意散热设计。
  • 标准公差:±20% 的电感容差为常见功率电感规格,便于快速替代与成本优化。

四、典型应用

  • 降压/升压开关电源(DC-DC)输出滤波与储能元件
  • 移动电源与便携设备电源管理
  • LED 驱动与电源滤波器
  • 电池管理、前级滤波与电流环路耦合场合

五、选型与使用建议

  • 考虑直流偏置效应:在实际电路中,直流磁通会导致电感值下降,请在工作点(直流电流)条件下确认实际电感是否满足滤波或能量储存要求。
  • 饱和裕量:推荐工作电流低于 Isat,且留有 10–30% 的裕度以避免瞬态或启动时电感突降。
  • 损耗与温升评估:根据 DCR 计算 I^2R 损耗并评估 PCB 散热条件,必要时采用散热铜箔或热 vias。示例:2.5 A 时约 0.75 W 损耗,应关注器件及周边温升。
  • 依据开关频率与电压计算电流纹波:使用公式 ΔI = V_L·dt / L(或 ΔI = (V_in − V_out)·D / (L·f) 对于降压),例如在某工作点 L=2.2 μH,当 V_L·dt = 1 V·μs 时 ΔI ≈ 0.45 A,以此估算电流纹波并确认电感是否满足控制目标。

六、封装与焊接注意事项

  • 推荐使用标准回流焊工艺,遵循元件厂商建议的温度曲线以保证可靠焊接。
  • 布局建议:靠近开关管或输出电容放置以缩短高频回路,走线尽量短且宽,避免环路增大。若 PCB 双面或多层,必要时增加过孔改善散热。
  • 机械应力:在手工焊接或返修时注意避免对小尺寸器件施加过大机械应力。

七、质量与可靠性

长江微电作为品牌厂家,产品应符合常见的电子元器件可靠性要求(焊接热循环、机械振动、温度循环等)。在批量应用前建议进行样机验证,包含温升测试、在实际工作电流下的电感值保有率以及长时间老化测试。

总结:FTC201610S2R2MBCA 以其小型化封装和较高电流能力适合便携式电源与高密度开关电源场合,但由于 DCR 较高,在高电流条件下会产生显著损耗,设计时需综合考虑热管理与电流裕量。

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