WMSIC Electronic Components

SXN SMNR4030-100MT Inductor SMNR4030

ModelSMNR4030-100MT
PackageSMD,4x4x3mm
BrandSXN
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
SXN SMNR4030-100MT
Type
SXN
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SXN
Electronic Component
SMNR4030-100MT
Electronic Component
1
Package
SMD,4x4x3mm
Type
Magnetic Display Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.315g
Inductor
10uH
Electronic Component
1
Electronic Component
BM0264369172
Current
1.5A
Resistor(DCR)
130mΩ
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.

SMNR4030-100MT功率电感产品概述

一、产品基本信息

SMNR4030-100MT是顺翔诺(SXN) 推出的一款磁胶屏蔽功率电感,采用SMD贴片封装,外形尺寸为4×4×3mm(长×宽×高),属于小型化功率电感范畴,专为中小功率电子设备的电源管理场景设计。

二、核心电气参数详解

该电感的关键参数明确且匹配中小功率应用需求,具体如下:

1. 电感值与精度

标称电感值为10μH,精度±20%,即实际电感值范围在8μH12μH之间。此电感值属于中低电感范畴,适配开关频率100kHz1MHz的DC-DC转换器(如降压型Buck电路),能有效抑制纹波电压并保证能量存储效率。

2. 电流承载能力

  • 额定电流(Isr):1.5A:指电感长期稳定工作时,表面温度不超过105℃(行业常规标准)的最大直流电流,可满足多数便携设备的持续工作电流需求;
  • 饱和电流(Isat):1.95A:指电感值下降30%(磁芯饱和临界点)时的电流,比额定电流高0.45A,预留了充足的过载余量,避免突发电流波动导致性能下降。

3. 直流电阻(DCR)

直流电阻为130mΩ,属于低损耗设计。DCR是电感铜绕组的直流电阻,电流通过时产生的铜损为(I^2×DCR),130mΩ的低阻值可显著降低功率损耗,减少发热,提升电源转换效率(尤其在1A1.5A电流区间,损耗仅0.13W0.29W)。

4.封装尺寸

4×4mm的贴片 footprint 配合3mm高度,符合现代电子设备“轻薄化”趋势,可直接贴装于PCB板,无需额外插件空间,适配高密度电路设计。

三、产品设计特点

1. 磁胶屏蔽抗干扰

采用磁胶屏蔽结构,可有效抑制电感工作时产生的电磁辐射(EMI),减少对周边敏感电路(如射频模块、传感器)的干扰,无需额外添加EMI滤波元件,节省PCB空间与成本。

2. 小型化高集成

4×4×3mm的紧凑体积,可集成于智能手机、智能手表等便携设备的电源管理模块(PMIC)周边,不影响设备整体厚度,适配“小型化”设计需求。

3. 低损耗高可靠性

除130mΩ低DCR外,磁胶材料的铁损(磁芯损耗)也较低,整体功率损耗控制良好;饱和电流余量充足,长期工作不易出现磁芯饱和或绕组过热问题,可靠性符合消费电子、工业控制场景的使用要求。

四、典型应用场景

该电感的参数与设计特点,使其适配以下场景:

1. 消费电子便携设备

  • 智能手机、平板电脑的DC-DC降压电路(如5V转3.3V/1A、12V转5V/0.8A);
  • 便携式音箱、蓝牙耳机的电源管理模块,满足低功耗与小体积需求。

2. 可穿戴设备

智能手表、手环的低功耗电源电路(如3.7V锂电池转1.8V/0.5A),兼顾小体积与稳定电流输出。

3. 小型工业控制

微型PLC、传感器节点的电源部分(如24V转5V/0.6A),磁胶屏蔽可减少工业环境中的电磁干扰。

4. 物联网(IoT)设备

智能家电(如智能灯泡、传感器)、智能家居节点的电源模块,适配低功耗、小体积设计。

五、应用注意事项

  1. 焊接工艺:需符合无铅回流焊标准(峰值温度260℃左右,时间≤10秒),避免过温损坏磁芯或绕组;
  2. 电流限制:电路设计时需保证工作电流不超过额定电流1.5A,突发电流不超过饱和电流1.95A;
  3. 布局建议:尽量靠近电源芯片的输出端,减少PCB走线长度,降低线路损耗与EMI。

总结

SMNR4030-100MT是一款小体积、高电流、低损耗、抗干扰的磁胶屏蔽功率电感,兼顾性能与成本,适配中小功率电子设备的电源管理场景,是顺翔诺针对便携、可穿戴、IoT等领域推出的高性价比产品。

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