WMSIC Electronic Components

cjiang FXLB252012-2R2-M FXLB252012

ModelFXLB252012-2R2-M
PackageSMD,2.5x2.0x1.2mm
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 FXLB252012-2R2-M
Type
CJIANG
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FXLB252012-2R2-M
Electronic Component
1
Package
SMD,2.5x2.0x1.2mm
Type
Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.062g
Inductor
2.2uH
Electronic Component
1
Electronic Component
BM0231116113
Electronic Component
AEC-Q200
Current
3A
Resistor(DCR)
68mΩ
Electronic Component
Electronic Component

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

FXLB252012-2R2-M 产品概述

一、产品简介

FXLB252012-2R2-M 是长江微电(cjiang)推出的一款一体成型功率电感,电感值为 2.2 µH,公差 ±20%,额定电流 3.0 A,饱和电流(Isat)3.3 A,直流电阻(DCR)典型值 68 mΩ。封装为表面贴装(SMD),外形尺寸 2.5 × 2.0 × 1.2 mm,满足 AEC‑Q200 车规等级,适合空间受限且要求高可靠性的电源滤波与储能场合。

二、主要特性

  • 电感值:2.2 µH ±20%
  • 额定电流:3.0 A(连续工作)
  • 饱和电流:3.3 A(L 值显著下降的阈值)
  • 直流电阻(DCR):≈68 mΩ(典型)
  • 封装尺寸:2.5 × 2.0 × 1.2 mm,SMD 结构
  • 类型:一体成型(molded)功率电感,低 EMI、耐振动
  • 车规等级:AEC‑Q200(适用于汽车电子)

三、应用场景

  • 汽车电子:车载控制器、车身电子、电源管理模块(符合 AEC‑Q200 要求)
  • 电源模块:开关稳压器(降压/升压转换器)、点对点(POL)电源
  • 通信设备与工业控制:需高电流与小封装的滤波或储能场合
  • 便携式与消费类电子:对尺寸、效率和可靠性有较高要求的电源系统

四、设计与使用建议

  • 电流选型:针对连续工作以额定电流 3.0 A 作为设计上限;为保证电感稳定性和温升裕量,建议在连续工况下保留余量(典型设计做法为 ≤ 80–100% 额定电流,突发峰值可短时接近 Isat 但不宜长期保持)。
  • 饱和与温升:接近或超过 Isat 时电感量显著下降,会影响纹波与转换器稳定性;同时需关注发热与系统散热路径。
  • PCB 布局:遵循厂家推荐焊盘与过孔布局,输入/输出旁尽量安排短、宽的电流回路,接地平面连续以降低阻抗与热阻。必要时在电感附近提供散热铜箔或多层过孔导热。
  • 焊接可靠性:适用于常见无铅回流工艺(建议按照 J‑STD‑020 类似温度曲线进行回流,避免过温或长时间高温暴露)。对于汽车级应用,请按供应商建议的焊接与老化流程验证。

五、优势与注意事项

优势:小尺寸/低矮高度、高额定电流与车规可靠性结合,适合空间受限的高功率点载场合;一体成型结构提高抗振动与长期稳定性。
注意事项:应以额定电流为长期使用界限,避免长期在饱和区工作;在高温或高频大电流条件下需评估 DCR 导致的功耗与温升,并做相应散热设计。

六、可靠性与包装

FXLB252012‑2R2‑M 满足 AEC‑Q200 车规测试项,适用于汽车级可靠性要求。常见为 SMD 卷带包装,适配自动贴装与回流焊流程。具体包装方式、典型性能曲线(电感随 DC 偏置、温度的变化)和推荐 PCB 尺寸请参照供应商规格书以获得详细参数与布局建议。

总结:FXLB252012‑2R2‑M 是一款适合高可靠性、小尺寸、高电流点载电源设计的功率电感,适用于车规与工业级电源应用,在布局和散热设计得当时,可为开关电源提供稳定的滤波与储能性能。若需完整电气特性曲线或陆续样品与大货信息,请联系供应商或索取详细规格书。

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