WMSIC Electronic Components

cjiang FNR3010S150MT

ModelFNR3010S150MT
PackageSMD
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 FNR3010S150MT
Type
CJIANG
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FNR3010S150MT
Electronic Component
1
Package
SMD
Type
Magnetic Display Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.057g
Inductor
15uH
Electronic Component
1
Electronic Component
BM0264799441
Current
570mA
Resistor(DCR)
793mΩ
Electronic Component
Electronic Component
Electronic Component
2000

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

FNR3010S150MT 产品概述

一、产品简介

FNR3010S150MT 是长江微电(cjiang)推出的一款面向中低功率电源滤波与储能的磁胶屏蔽贴片电感。其典型参数为:标称电感 15 µH,公差 ±20%,额定电流 570 mA,饱和电流(Isat)570 mA,直流电阻(DCR)约 793 mΩ。器件采用 SMD 封装,外形尺寸为 3.0 × 3.0 mm(标准片式封装),适合体积受限的便携和嵌入式电源应用。

二、主要特点

  • 小尺寸:3×3 mm 的 SMD 封装,便于在高密度电路板上布局。
  • 中等感值:15 µH,适合用于电源滤波、去耦以及低频能量储存。
  • 屏蔽结构:磁胶屏蔽设计减少对周边器件的磁干扰,利于 EMI 控制。
  • 可观的额定电流:570 mA,可满足多数小功率降压/升压转换器与滤波场合的需求。
  • 可焊接 SMD 形式,适配自动化贴装与回流焊工艺(具体回流曲线请参照规格书)。

三、典型应用场景

  • DC-DC 降压/升压转换器中的输出滤波与储能电感。
  • 电源输入滤波(配合陶瓷电容做 LC 或 PI 滤波)。
  • 便携式设备、物联网节点、电池供电模块的电源降噪。
  • 模拟与数字电路的局部电源隔离与去耦。
  • EMI 抑制及对地回路的电流整形(需按电路具体需求选型)。

四、电性能解读与选型建议

  • 电感与公差:15 µH ±20% 说明在公差范围内电感值有较大变动,若电路对电感值敏感(如谐振或滤波频率要求严格),建议在原型验证时确认实际值并预留容差。
  • 额定电流与饱和电流:额定电流与 Isat 均为 570 mA,表明当电感电流接近该值时会发生明显的磁饱和,电感量下降。选型时应留有裕量,通常建议工作电流不超过额定电流的 70–80% 以保证稳定的电感特性和温升控制。
  • 直流电阻(DCR)影响功耗:在 570 mA 电流下,功耗约为 P = I^2 × DCR ≈ 0.57^2 × 0.793 Ω ≈ 0.26 W。对于 3×3 mm 小封装器件,这样的功耗会导致较明显的温升,需要在布局与热设计上考虑散热与热沉效应。若系统连续大电流工作,建议选用 DCR 更低或额定电流更高的型号。
  • 频率响应与自谐频率(SRF):由于该器件侧重于中低频滤波,若用于高频开关电源(几百 kHz 以上),需要确认电感在工作频率附近的阻抗和损耗特性,建议参考完整规格书或测试曲线。

五、封装与生产工艺注意

  • 封装形式为 SMD,适配自动贴装和回流焊流程。焊接前应确认基板焊盘设计与元件引脚匹配,推荐使用规范的丝印与焊盘尺寸以确保焊点可靠性。
  • 磁胶屏蔽结构对周围器件的电磁兼容性友好,但仍建议关键敏感器件保持一定间距并采用良好接地实践。
  • 贴片与回流焊后可能产生热应力,建议严格按照厂家提供的回流曲线和储存/回流温度上限操作。

六、可靠性与质量建议

  • 在实际设计中,应进行功耗与温升评估;若电感工作在接近或超过额定电流的条件,需做长期高温和循环测试以验证可靠性。
  • 若产品需通过特定认证(如车规或工业级长期运行),请与厂家确认器件的额定温度范围、寿命测试与批次一致性。
  • 建议对关键批次做抽样测试,包括电感值、DCR、Isat 测试以及高低温特性检查。

七、选型与替代考虑

  • 若系统要求更低 DCR 或更高连续电流,应优先选择额定电流更高、DCR 更低的同系或同尺寸更高规格型号。
  • 如果电路中对电感公差要求更严(例如滤波谐振电路),建议选用公差更小或经过配对的器件。
  • 对 EMI 要求极高的场合,可考虑额外屏蔽措施或专用共模电感/滤波器件。

八、结论

FNR3010S150MT(长江微电)以其 3×3 mm 小尺寸与 15 µH 的电感值,适合用于多种便携与嵌入式电源滤波场合。其 570 mA 的额定/饱和电流适合中低功率应用,但直流电阻相对较大,需在选型时关注功耗与温升影响。最终应用前建议参考完整规格书、进行电路仿真与样机验证,以确保性能与可靠性满足设计要求。

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