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YLM9070-301T是益嘉源(YJYCOIN) 推出的一款SMD型双通道共模滤波器,专为中功率、高频干扰抑制场景设计,兼顾了大电流承载能力、高频阻抗特性与紧凑体积,可有效解决电子系统中的共模噪声问题,满足EMC电磁兼容认证需求。
该滤波器的核心特性围绕“高频抑制、大电流、宽温适配”三大方向设计,具体包括:
各参数的设计逻辑直接关联产品的应用价值,需结合实际场景理解:
共模滤波器的核心作用是通过阻抗衰减共模噪声,100MHz是数字电路(如高速逻辑、射频前端)、开关电源的典型干扰频段。300Ω的阻抗值可有效衰减该频段的共模电流,帮助系统通过GB/T 17626等EMC标准测试,避免干扰影响信号传输或引发误动作。
小型贴片封装适配高密度PCB设计,可直接用于路由器、机顶盒、PLC等小型设备的内部布局,兼容自动化贴装生产线,降低生产难度。
YLM9070-301T的参数特性使其适配多类电子系统,核心应用场景包括:
开关电源工作时会产生从几十kHz到几百MHz的高频噪声,该滤波器的300Ω@100MHz阻抗可针对性抑制100MHz左右的共模干扰,6A电流满足LED驱动电源、桌面电源等中小功率电源的输出端滤波需求。
工业现场存在大量电磁干扰(如电机、变频器产生的噪声),该滤波器的双通道设计可对PLC的输入输出端口、伺服驱动器的控制信号进行滤波;宽温范围(-30℃~+100℃)适配车间冬季低温、夏季高温的环境变化;耐电压500V提升抗浪涌能力。
通信设备内部的高速数字电路(如WiFi模块、以太网芯片)会产生100MHz左右的共模噪声,该滤波器可安装在信号端口或电源端口,抑制噪声泄露,避免影响无线信号传输或网络稳定性。
消费电子需通过EMC认证,该滤波器的小体积(9×7×4.8mm)可嵌入电视主板、机顶盒内部,在不影响设备外观的前提下解决共模干扰问题,提升产品合规性。
YJYCOIN作为专注EMC元件的品牌,YLM9070-301T经过多重可靠性测试:
YLM9070-301T共模滤波器平衡了高频抑制能力、大电流承载、紧凑体积与宽温适配,是解决中小功率电子系统共模噪声问题的高性价比选择。其核心参数针对100MHz频段优化,适配开关电源、工业控制、通信设备等多场景,可帮助产品快速通过EMC认证,提升系统可靠性。
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