Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
YJYCOIN YNR5020-4R7M YNR5020
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- YJYCOIN YNR5020-4R7M
- Type
- SMD, 5X5X2MM
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YJYCOIN
- Electronic Component
- YNR5020-4R7M
- Electronic Component
- 1
- Package
- SMD,5x5x2mm
- Type
- Magnetic Display Inductor
- Electronic Component
- Power Inductor
- Electronic Component
- ±20%
- Electronic Component
- 0.25g
- Inductor
- 4.7uH
- Electronic Component
- 1
- Electronic Component
- BM0264968323
- Current
- 2.2A
- Resistor(DCR)
- 57mΩ
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
YNR5020-4R7M 产品概述
一、概述
YNR5020-4R7M 是益嘉源（YJYCOIN）推出的一款面向功率电源的磁胶屏蔽功率电感，封装为 SMD 5×5×2 mm。该器件兼顾体积与电流承载能力，适用于各类开关电源与点对点电源模块中作为储能与滤波元件使用。
二、主要参数
- 型号：YNR5020-4R7M
- 电感值：4.7 μH（公差 ±20%）
- 额定电流：2.2 A（连续工作）
- 饱和电流（Isat）：2.5 A（典型）
- 直流电阻（DCR）：57 mΩ
- 类型：磁胶屏蔽电感（屏蔽结构）
- 封装：SMD，尺寸 5 × 5 × 2 mm
- 品牌：YJYCOIN（益嘉源）
三、产品特性
- 小型化封装（5×5 mm）适合高密度 PCB 布局。
- 磁屏蔽结构有助于降低漏磁和对周边敏感电路的干扰，利于系统 EMI 控制。
- 较低 DCR（57 mΩ）可减小 I^2R 损耗，有利于提高效率并控制温升。
- 额定电流与饱和电流间留有余量，能在中低功率点对点供电和降压转换器中稳定工作。
四、典型应用
- 同步降压/升压转换器中的储能电感（buck/boost）
- 电源管理模块（PMIC）及点对点（POL）电源
- LED 驱动与电源滤波器
- 工业和通信设备中的开关电源
五、设计与选型建议
- 额定电流（2.2 A）为连续稳定工作给定值，设计时应考虑最大纹波电流与直流偏置，建议在实际最大工作电流下验证电感值和温升。
- 关注饱和电流（2.5 A），避免在超过 Isat 条件下长期工作以防电感值大幅下降影响性能。
- 通过 DCR（57 mΩ）估算 I^2R 损耗和温升，评估散热需求；必要时增加铜箔面积或过孔改善散热。
- 布局时将电感置于开关器件附近，尽量缩短关键回路的回流路径并减小环路面积，以降低 EMI。
六、焊接与存储注意事项
- 建议采用标准的回流焊工艺，遵循厂家提供的回流曲线和湿度等级要求；避免过多次回流以防焊接应力。
- 储存时保持干燥，防止潮湿吸收；组装前如超过厂家建议的储存时限，应按规范进行回烘处理。
- 安装与测试过程中避免机械冲击与弯曲，检测时可用 LCR 表在有/无直流偏置下验证电感值和 DCR。
如需进一步的频率特性曲线、温升数据或封装贴装尺寸（PCB land pattern）资料，可向益嘉源（YJYCOIN）索取完整数据手册与应用说明。
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