WMSIC Electronic Components

cjiang FTC201265S2R2MBCA

ModelFTC201265S2R2MBCA
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 FTC201265S2R2MBCA
Type
CJIANG
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FTC201265S2R2MBCA
Electronic Component
1
Package
SMD,1.2x2mm
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.033g
Inductor
2.2uH
Electronic Component
1
Electronic Component
BM0264799466
Current
1.7A
Resistor(DCR)
215mΩ
Electronic Component
Electronic Component
Electronic Component
3000
and Current(Isat)
1.8A

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

FTC201265S2R2MBCA 产品概述

一、产品简介

FTC201265S2R2MBCA 是长江微电(cjiang)推出的一款小尺寸功率电感,封装为表贴(SMD),外形尺寸约 1.2 × 2.0 mm。标称电感值为 2.2 μH,公差 ±20%,面向空间受限且需支持较大直流偏置电流的开关电源与滤波场合设计。该器件适用于小型化降压转换器、负载滤波与开关节点的储能与抑制工作。

二、主要性能参数

  • 电感值:2.2 μH(±20%)
  • 额定电流:1.7 A(连续额定)
  • 饱和电流(Isat):1.8 A(磁饱和前限)
  • 直流电阻(DCR):215 mΩ
  • 封装形式:SMD,尺寸约 1.2 × 2.0 mm
  • 品牌:cjiang(长江微电)

(注:有关最大工作温度、耐焊温、频率特性、自谐频率等详细参数,请参见厂方数据表或向供应商确认。)

三、特点与优势

  • 小型化:1.2×2 mm 的紧凑外形,利于高密度布局与移动设备、IoT 模块的空间优化。
  • 中等电流能力:额定 1.7 A,适合低功率至中功率 DC-DC 降压场合。
  • 明确的饱和电流指标:Isat 1.8 A,在接近饱和时仍有一定裕量,有助于抑制在瞬态尖峰时的磁饱和风险。
  • 易于自动贴装:标准 SMD 形态,兼容回流焊工艺(具体焊接条件请参见厂方建议)。

四、典型应用场景

  • 单芯 1A~2A 级别的降压(buck)转换器输出滤波/储能电感。
  • 电源输入侧的共模/差模滤波(配合电容网络)。
  • 移动设备、蓝牙/无线模块、可穿戴设备的电源模块。
  • 工业控制与仪表中对体积有严格限制但需一定电流能力的场合。

五、设计与布板注意事项

  • 布局:电感应尽量靠近开关器件或输出电容放置,以减少走线电感与环路面积,降低 EMI。
  • 散热:该器件 DCR 较高(215 mΩ),在较大工作电流下会产生显著功耗,建议在器件两侧/下方留足铜皮,必要时加大底层散热铜箔与通过孔以提升散热能力。
  • 焊盘与贴装:遵循器件制造商推荐的焊盘尺寸与焊膏模板,保证良好焊接与机械应力分散。
  • 电磁干扰:若用于开关节点,请与滤波电容和布线一起优化,以避免高频振铃与辐射。

六、热与功耗评估

直接由 DCR 可评估直流功耗与发热:

  • 当工作电流为额定电流 1.7 A 时,器件功耗约 P = I^2 × DCR = 1.7^2 × 0.215 ≈ 0.62 W;
  • 当电流接近 Isat(1.8 A)时,功耗约 1.8^2 × 0.215 ≈ 0.70 W。

因此在连续工作条件下需特别关注电感局部温升,建议对实际应用做温升测试,并在必要时对电流进行适当降额或改善PCB散热设计。

七、测试与验证建议

  • DC 偏置下测量电感值:在目标工作电流范围内用 LCR 表或专用测试平台测量电感随电流的变化曲线,确认在额定电流下电感满足系统要求。
  • 温升测试:在典型工作条件下进行长时间热稳态测试,测量器件表面温度并留足安全余量(器件长期峰值温度以厂方说明为准)。
  • 吞吐与冲击测试:完成回流焊可靠性、跌落与机械振动测试,确认在贴装后的可靠性。

八、采购与封装信息

器件型号:FTC201265S2R2MBCA,品牌:cjiang(长江微电),封装 SMD(1.2×2 mm)。具体包装形式(卷带、盘装)、最小订购量、回流焊温度曲线以及更详细的电气/环境规范,请向长江微电或其授权分销商索取正式数据手册与样品。

结束语:FTC201265S2R2MBCA 以其极小尺寸与中等电流能力,适合追求体积优先且允许一定功耗管理的电源设计。在选型时应结合系统电流、效率、温升与 PCB 散热能力进行整体评估,必要时通过样片验证以确保在目标工况下的稳定性与可靠性。

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