WMSIC Electronic Components

cjiang FNR6045S101MT

ModelFNR6045S101MT
PackageSMD,6x6mm
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 FNR6045S101MT
Type
CJIANG
Minimum package
1500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FNR6045S101MT
Electronic Component
1
Package
SMD,6x6mm
Type
Magnetic Display Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.834g
Inductor
100uH
Electronic Component
1
Electronic Component
BM0231141150
Current
880mA
Resistor(DCR)
563mΩ
Electronic Component
Electronic Component
Electronic Component
1500

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

FNR6045S101MT 产品概述

一、产品简介

FNR6045S101MT 是长江微电(cjiang)推出的一款表面贴装功率电感,标称电感量 100 μH(±20%),面向中低功率 DC-DC 变换器及电源滤波应用。器件采用磁胶屏蔽结构,封装尺寸为 SMD 6×6 mm,设计强调体积小、屏蔽性好、适合高密度布板的电源滤波与储能用途。

二、主要性能参数

  • 品牌 / 型号:cjiang (长江微电) / FNR6045S101MT
  • 电感值:100 μH,公差 ±20%
  • 额定电流:880 mA(连续工作下的推荐最大电流)
  • 饱和电流(Isat):1 A(磁饱和时电感显著下降的电流点)
  • 直流电阻(DCR):563 mΩ
  • 类型:磁胶屏蔽电感(屏蔽式功率电感)
  • 封装:SMD,6×6 mm

三、性能亮点与特性

  1. 磁胶屏蔽结构:减少磁通外泄,降低对周边器件的干扰,适合高密度应用。
  2. 紧凑尺寸:6×6 mm 的 SMD 封装利于表贴组装和自动化生产。
  3. 适配中低电流场景:880 mA 额定电流和 1 A 饱和电流适合小功率电源、滤波与储能回路。
  4. 可接受较宽电感公差(±20%),便于成本与性能之间的折中选择。

四、电气热耗估算与设计提示

  • 在额定电流 880 mA 下的铜损(近似)为 P = I^2 × DCR = 0.88^2 × 0.563 ≈ 0.44 W。
  • 在饱和电流 1 A 下,损耗约为 1^2 × 0.563 = 0.563 W。
    由此可见,器件在额定电流附近会产生较明显的发热,PCB 散热和环境温度对可靠性/温升有重要影响。推荐在布局中为电感提供热扩散路径(加大焊盘、靠近地平面或铜箔散热区)并进行实际温升测试。

关于电流降额:建议在高温或散热受限的场景对连续工作电流进行降额,典型降额范围为 70%–85%,以保证长期可靠性和避免接近饱和区的性能退化。

五、典型应用场景

  • 降压型(BUCK)开关电源的储能电感与输出滤波。
  • 电池管理系统(BMS)与便携设备 电源滤波/抑噪。
  • LED 驱动、小功率电机驱动等中低电流功率模块。
  • EMI/EMC 抑制与模拟供电滤波。

六、封装与焊接注意事项

  • 按照厂家推荐的 PCB 焊盘尺寸和回流焊曲线进行焊接,避免过热导致粘接材料或磁胶性能变化。
  • SMD 6×6 mm 大小在回流过程中应注意避免锡膏量过多引起浮件或应力不均。
  • 贴装时防止对器件施加过大机械应力(搬运、回流后的弯曲应力),以免影响线圈连接可靠性。
  • 对焊接良品率和机械强度敏感的应用建议做焊接工艺验证和跌落/振动测试。

七、选型建议与工程注意事项

  • 如果效率是首要指标,应关注 DCR 带来的铜损;需要更高效率时可选用更低 DCR 的同类电感或增大封装型号。
  • 若电路可能出现较强的瞬态电流或电感需承受较大启动涌流,应保证电流低于 Isat,避免电感饱和导致输出电压/电流异常。
  • 电感公差 ±20% 会影响滤波截止频率与电感储能,设计时在 LC 配置上预留容差空间或采用更精确规格的器件。
  • 最终使用前务必参照厂方最新 Datasheet 获得完整机械图、焊盘建议、温升与寿命测试数据。

八、可靠性与测试建议

  • 建议对样机进行温升测试(在最大预期电流和环境温度下连续工作),并验证在目标散热条件下的温度稳定性。
  • 做寿命与循环测试(热循环、湿热、振动)以评估长期可靠性。
  • 在 EMC 整机测试中验证磁胶屏蔽效果与是否满足系统的辐射/传导发射规范。

总结:FNR6045S101MT 是一款适合中低电流电源滤波与储能用途的 100 μH SMD 屏蔽功率电感,体积小、屏蔽好,但 DCR 较高、在接近额定电流时有明显损耗与温升,建议合理降额并做好散热与验证。购买与设计前请参阅长江微电官方 Datasheet 以获取完整参数和封装信息。

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