WMSIC Electronic Components

SXN SM4532-100MT Inductor SM4532

ModelSM4532-100MT
PackageSMD
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SXN SM4532-100MT
Type
SMD
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SXN
Electronic Component
SM4532-100MT
Electronic Component
1
Package
SMD
Type
Display Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
3.505g
Inductor
10uH
Electronic Component
1
Electronic Component
BM0265793607
Current
1.04A
Resistor(DCR)
182mΩ
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.

SM4532-100MT功率电感产品概述

SM4532-100MT是顺翔诺(SXN)品牌推出的一款非屏蔽贴片功率电感,针对中小功率电子电路的储能、滤波及纹波抑制需求设计,凭借紧凑的4.5×4mm封装、合理的电流规格及成本优势,广泛适配消费电子、物联网设备等领域的电源管理场景。

一、产品基本定位

该电感属于功率电感范畴,采用表面贴装(SMD)工艺,封装尺寸为4.5mm(长)×4mm(宽),属于小型化贴片电感,可直接集成于PCB板的表面贴装生产线,无需额外插件工序,适合高密度电路布局。品牌为国内专注电感研发的顺翔诺(SXN),产品符合RoHS环保标准,无铅无卤,满足现代电子设备的环保要求。

二、核心电气参数详解

1. 电感值与精度

电感标称值为10μH,精度为±20%,属于常规功率电感的精度范围,适合对电感值波动要求不苛刻的电路(如DC-DC转换器的储能环节)。若需更高精度,需搭配外部滤波电容或选择±10%精度的电感型号,但本型号的±20%精度可在保证性能的前提下降低成本。

2. 电流规格

  • 额定电流(Irms):1.04A
    额定电流是电感连续工作的安全电流上限——当流过电感的电流长期维持在1.04A以内时,电感的温度上升(由DCR损耗产生)不会超过规格书规定的阈值,电感值保持稳定,不会出现性能衰减。
  • 饱和电流(Isat):1.45A
    饱和电流是电感的极限电流参数,定义为“电感值下降30%时的电流”。当电流达到1.45A时,磁芯开始饱和,电感储能能力下降30%;若电流继续增大,磁芯饱和程度加剧,电感值会进一步降低,可能导致电路纹波增大、效率下降,甚至损坏后级器件。

3. 直流电阻(DCR):182mΩ

DCR是电感线圈的直流电阻,直接影响电感的功耗(P=I²×R)。182mΩ的阻值在同规格电感中属于中等水平,在1A电流下的功耗约为0.182W,发热可控,适合中小功率场景。

三、物理特性与安装适配

1. 封装与尺寸

SM4532-100MT采用SMD贴片封装,尺寸为4.5mm×4mm,兼容常规回流焊工艺(需参考顺翔诺官方规格书的温度曲线),可与其他贴片元件(如电容、电阻)同步贴装,提高生产效率。

2. 非屏蔽特性

该电感为非屏蔽类型,相比屏蔽电感,其成本更低、尺寸更紧凑,但电磁辐射(EMI)稍高。若电路对EMI要求不敏感(如普通消费电子的电源部分),可优先选择本型号;若需降低EMI,可搭配屏蔽罩或选择同品牌的屏蔽电感型号。

四、典型应用场景

SM4532-100MT的电流规格和尺寸特点,使其适配以下场景:

  1. DC-DC转换器:如手机、平板的降压转换器(5V转3.3V/1.8V),负责储能和抑制纹波;
  2. LED驱动电路:小功率LED灯带、台灯的恒流驱动模块,提供稳定的电流输出;
  3. 物联网设备:智能家居传感器、可穿戴设备的电源管理模块,满足低功耗、小型化需求;
  4. 小型电源模块:如USB充电器、移动电源的辅助电源电路,提升输出稳定性。

五、选型与使用注意事项

  1. 电流匹配:设计电路时,需确保连续工作电流≤1.04A,峰值电流≤1.45A,避免电感饱和或过热;
  2. 精度适配:若电路对电感值精度要求较高(如射频电路),需评估±20%精度是否满足;
  3. EMI考量:非屏蔽电感的辐射需注意,若系统有EMI认证要求,需搭配屏蔽措施;
  4. 回流焊工艺:贴装时需遵循官方温度曲线,避免过高温度导致磁芯损坏或线圈变形。

SM4532-100MT作为一款高性价比的非屏蔽贴片功率电感,在中小功率电源管理领域具有明显的成本和尺寸优势,适合追求性价比和小型化的电子设计需求。

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