WMSIC Electronic Components

SXN SMCM1211-102T Inductor SMCM1211

ModelSMCM1211-102T
PackageSMD,12x10.8mm
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 SMCM1211-102T
Type
SXN
Minimum package
500 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SXN
Electronic Component
SMCM1211-102T
Electronic Component
1
Package
SMD,12x10.8mm
Electronic Component
Common Mode Filter
Electronic Component
2.92g
Electronic Component
1
Channel Count
2
Electronic Component
BM0265061702
Operating Temperature
40℃~+125℃
Resistor
10MΩ
Voltage
125V
Current
6A
@Frequency
1kΩ
Resistor(DCR)
14mΩ

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

SMCM1211-102T 共模滤波器产品概述

一、产品定位与核心功能

SMCM1211-102T是顺翔诺(SXN)推出的双通道表面贴装(SMD)共模滤波器,专为中功率电路的高频共模噪声抑制设计。其核心价值是在不衰减差模信号(如电源电流、有效数据)的前提下,精准衰减线路中的共模干扰,解决电磁兼容(EMC)问题;同时兼顾小型化、低损耗与宽温可靠性,适配多类电子设备的滤波需求。

二、关键技术参数与性能优势

该产品的参数设计精准匹配中高频干扰场景与中功率承载需求,核心优势体现在以下维度:

2.1 电流电压承载能力

额定电流6A、额定电压125V,可稳定支撑中功率直流/交流电路(如小型开关电源、车载电源模块)的滤波需求。实际应用需注意:高温环境下(如125℃)需按厂家降额曲线适当降低工作电流(建议≤4.8A),确保长期可靠性。

2.2 高频干扰抑制性能

阻抗特性为1kΩ@100MHz——100MHz是开关电源(LLC、Flyback拓扑)、高速数字电路(DDR4/DDR5、千兆以太网)的典型干扰频点,该阻抗值可有效衰减共模噪声,帮助设备快速通过CE、FCC等EMC认证。

2.3 低损耗设计

直流电阻(DCR)仅14mΩ,通态损耗极低(6A工作时损耗约0.5W),可减少发热、提升电路效率,尤其适合对功耗敏感的便携设备(如笔记本充电器、无人机电源)。

2.4 宽温与绝缘可靠性

工作温度范围为**-40℃~+125℃**,覆盖工业控制、汽车电子等严苛环境(如户外PLC、车载中控);绝缘电阻≥10MΩ,确保输入输出端电气隔离,避免短路风险,提升电路安全。

2.5 双通道集成

单颗集成2通道滤波,无需多颗并联即可实现双路滤波,节省PCB空间约30%,适配高密度设计场景(如服务器主板、小型通信模块)。

三、封装与工艺特性

SMCM1211-102T采用SMD 12×10.8mm小型化贴片封装,具备以下工艺优势:

  1. 自动化贴装兼容:引脚符合IPC标准,支持回流焊、波峰焊高效贴装,适合批量生产;
  2. 尺寸紧凑:12×10.8mm体积可嵌入智能手表充电器、IoT网关等小型化设备;
  3. 磁芯与绕组工艺:采用高性能铁氧体磁芯(Ni-Zn/Mn-Zn),确保高频阻抗稳定;绕组采用低电阻漆包线,进一步降低DCR损耗。

四、典型应用场景

结合参数特性,该产品广泛应用于以下领域:

  1. 开关电源滤波:AC-DC适配器(手机/笔记本充电器)、DC-DC转换器的输入/输出端,抑制开关噪声;
  2. 高速数字电路EMI抑制:路由器、交换机的千兆/万兆以太网接口,服务器DDR内存总线滤波;
  3. 工业控制设备:PLC、伺服驱动器、变频器的电源与信号线路滤波,适配-40~125℃工业环境;
  4. 汽车电子:车载充电器、信息娱乐系统、ADAS模块的电源滤波,满足汽车级宽温要求;
  5. 消费电子:智能家电(路由器、电视)、便携设备(平板、无人机)的EMC优化。

五、选型与应用注意事项

为确保性能稳定,应用时需注意:

  1. 电流降额:环境温度>85℃时,工作电流降至额定值的80%;
  2. PCB布局:滤波器靠近干扰源(如开关电源MOS管)或负载端,输入输出端远离(≥5mm),避免噪声耦合;
  3. 电压匹配:输入输出电压≤125V,避免绝缘击穿;
  4. 焊接规范:回流焊温度≤260℃(持续≤10s),防止磁芯/绕组损坏。

SMCM1211-102T通过平衡滤波性能、功率承载与小型化设计,成为中功率电路EMC优化的高性价比选择,可覆盖多类电子设备的滤波需求。

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