WMSIC Electronic Components

cjiang FXL0840-100-M FXL0840

ModelFXL0840-100-M
PackageSMD,8.2x8.8mm
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 FXL0840-100-M
Type
CJIANG
Minimum package
800 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FXL0840-100-M
Electronic Component
1
Package
SMD,8.2x8.8mm
Type
Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
1.89g
Inductor
10uH
Electronic Component
1
Electronic Component
BM0257699596
Current
6.5A
Resistor(DCR)
59mΩ
Electronic Component
Electronic Component
Electronic Component
800

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

FXL0840-100-M — cjiang(长江微电) 10µH 一体成型功率电感 产品概述

一、产品概况

FXL0840-100-M 为 cjiang(长江微电)推出的一款一体成型SMD功率电感,标称电感值 10µH,公差 ±20%,额定电流 6.5A,饱和电流(Isat)8A,直流电阻(DCR)59mΩ,封装尺寸为 8.2 × 8.8 mm。结构为一体成型(molded)设计,适合高电流开关电源与功率模块的表面贴装组装。

二、主要电气参数

  • 电感值:10 µH(±20%)
  • 额定电流:6.5 A(连续工作建议)
  • 饱和电流:8 A(磁芯开始明显饱和)
  • 直流电阻(DCR):59 mΩ(典型)
  • 封装:SMD,尺寸 8.2 × 8.8 mm
  • 产品型号:FXL0840-100-M(品牌:cjiang / 长江微电)

三、特性与优势

  • 高电流承载能力:额定 6.5A,短时抗饱和可达 8A,适合中高电流转换场合。
  • 一体成型封装:机械强度高,耐振动,便于自动化贴装与回流焊流程。
  • 封装紧凑:8.2×8.8mm 占板面积小,便于功率密度提升与模块化设计。
  • 稳定性:针对开关频率设计,低温漂与较好的电流线性特性(视工作点而定)。

四、典型应用场景

适用于降压(Buck)/ 升压(Boost)开关电源、DC-DC 模块、电池供电系统、工业电源、LED 驱动及其他需处理 4–8A 电流水平的电源设计中。

五、设计与布局建议

  • 电流选型:为确保长期可靠性,连续工作电流建议不超过额定 6.5A,并考虑 10–20% 的裕量;短时冲击电流应低于 Isat(8A)。
  • 铜损与发热:按 I^2·R 计算,6.5A 条件下器件铜损约 2.5 W(0.059Ω × 6.5^2),需在热设计中重视散热路径与铜箔面积。
  • PCB 布局:电感两端走短、粗的铜箔,减小环路面积;靠近功率开关与输出电容放置;在必要处使用过孔和散热铜柱导热至背面大铜层。
  • 焊接工艺:遵循厂家回流焊建议(常见无铅回流峰值约 250–260°C),避免重复高温循环。
  • 测试与验证:在目标工作频率与温度下验证电感值、温升与效率,关注大电流下的直流偏移与温漂。

六、热管理与可靠性注意事项

由于 DCR 较高,器件在额定电流下会产生显著热量,建议留足散热面积并评估长期热老化;若工作环境温度高或持续大电流,考虑选用 DCR 更低或额定电流更高的替代型号。

七、采购与替代建议

FXL0840-100-M 适合对电感值与体积有特定需求且工作电流在 4–6.5A 范围内的设计。若项目需更低损耗或更高连续电流,建议选择 DCR 更低、额定电流更高的型号,或采用并联多颗电感/电感+滤波网络以降低总体损耗与温升。

如需完整数据手册(电感频率特性、温度系数、回流曲线、机械尺寸图和可靠性测试报告),建议向 cjiang(长江微电)索取最新资料以便完成最终设计验证。

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