WMSIC Electronic Components

YJYCOIN YNR6045-101M YNR6045

ModelYNR6045-101M
PackageSMD,6x6x4.5mm
BrandYJYCOIN
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
YJYCOIN YNR6045-101M
Type
YJYCOIN
Minimum package
1500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YJYCOIN
Electronic Component
YNR6045-101M
Electronic Component
1
Package
SMD,6x6x4.5mm
Type
Magnetic Display Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.62g
Inductor
100uH
Electronic Component
1
Electronic Component
BM0265061742
Current
800mA
Resistor(DCR)
433mΩ
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.

YNR6045-101M — 益嘉源 YJYCOIN 100µH 磁胶屏蔽功率电感 产品概述

一、产品简介

YNR6045-101M 是益嘉源(YJYCOIN)推出的一款表面贴装型功率电感,封装尺寸为 6.0 × 6.0 × 4.5 mm。该器件标称电感值 100µH,公差 ±20%,额定直流电流 800mA,饱和电流(Isat)约 950mA,直流电阻(DCR)约 433mΩ。产品采用磁胶屏蔽结构,适用于对体积、屏蔽和稳态电感有一定要求的中低功率电源滤波与电磁兼容(EMC)场景。

二、主要规格参数

  • 型号:YNR6045-101M
  • 品牌:YJYCOIN(益嘉源)
  • 电感值:100µH ±20%
  • 额定电流(Irated):800 mA
  • 饱和电流(Isat):950 mA(典型)
  • 直流电阻(DCR):433 mΩ(典型)
  • 封装形式:SMD(贴片),尺寸 6.0 × 6.0 × 4.5 mm
  • 结构特征:磁胶屏蔽(抑制外泄磁场,减小互感干扰)

(注:具体电气温度系数、频率响应与工作温度范围请以厂家完整数据手册为准。)

三、产品特性与优势

  • 小尺寸高电感:在 6×6mm 的 SMD 封装中实现 100µH 的电感量,适合对电感值有要求但空间有限的应用。
  • 磁屏蔽设计:磁胶屏蔽结构降低外露磁场,有助于改善 EMI 性能与降低对附近敏感器件的干扰。
  • 便于贴片制造:SMD 封装兼容自动贴装与回流焊工艺,适合大批量生产。
  • 明确的电流等级:800 mA 的额定电流和近 950 mA 的饱和电流,使其适合中等电流的滤波与稳压回路。

四、典型应用场景

  • 开关稳压电源(DC-DC 降压/升压)中的输入/输出滤波电感(低频或中低频拓扑)
  • 电源去耦与噪声滤波:对电源线的低频干扰具有抑制效果
  • 通信设备、工业控制模块、便携式仪器等对 EMI 有一定敏感度的系统
  • 传感器前端和低频能量传输电路(在电流和热允许范围内)

五、设计与使用建议

  • 电流余量与降额:建议在额定 800 mA 以下使用并保留一定余量以降低温升和避免接近饱和区。若工作电流接近或超过 Irated,应评估温升和效率影响。
  • 注意 DCR 对损耗的影响:433 mΩ 的 DCR 在高平均电流下会造成明显功耗(I^2·R),可能导致发热和效率下降,设计时需考虑散热或选型更低 DCR 的元件。
  • 频率匹配:100µH 属于中至高电感值,适用于较低开关频率或作为滤波元件。在高速开关(数百 kHz 以上)中,电感的寄生参数(自谐频率、AC 损耗)需要关注。
  • PCB 布局:尽量缩短与电容、开关器件之间的连接路径,减小回流环路面积;屏蔽有助于降低对邻近器件的互扰,但仍建议保持一定间距。
  • 焊接工艺:兼容无铅回流焊;建议遵循厂商的回流温度曲线与预热/冷却规范,避免超过材料耐温限制。

六、可靠性与测试要点

  • 温升测试:在目标工作电流下进行实际温升测量,确认在最大允许结温内长期可靠工作。
  • 饱和测试:在实际电路中测量电感随电流变化的曲线,确认在峰值或冲击电流下不会进入明显饱和区。
  • 振动与机械可靠性:SMD 元件需满足产品的振动与冲击可靠性要求,焊点强度与基板匹配需评估。
  • EMC 验证:尽管为屏蔽型设计,仍需在整机层面进行 EMI 测试,验证滤波与屏蔽效果。

七、选型注意事项与替代方案

  • 若应用电流远高于 800 mA 或对损耗敏感,建议选用同尺寸或更大尺寸但 DCR 更低、Isat 更高的功率电感。
  • 对于需要更精确电感值或较低温漂的场合,可考虑公差更紧(如 ±10%)或用特定磁芯材料的器件。
  • 若空间允许且需更强屏蔽,可选用更大型的封装或专用屏蔽结构。

八、结语

YNR6045-101M(100µH,±20%,800mA,433mΩ,6×6×4.5mm)是一款面向中低功率应用的磁胶屏蔽 SMD 功率电感,适合用于对电感值和屏蔽性能有要求、但受限于空间的电源滤波与 EMI 抑制场合。使用时应重点关注 DCR 对效率的影响、工作电流的降额策略以及热管理,必要时通过样机验证温升和饱和特性,确保长期可靠运行。

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