祥如电子六孔磁珠XRR6H-6*10 -3T助力实现电视低电磁干扰，阻抗高达700Ω@100MHz

时间： 2024-10-10 来源：世强

技术问答

电视朝着智能化、大屏幕、高端方向发展过程中，一些影响电视质量的问题也随之显现，比如严重的电磁干扰（EMI）问题。现今，电视面临多种形式的EMI挑战：设备内部不同组件间的相互干扰；来自家庭中其他电器（如冰箱、电磁炉、微波炉等）的辐射干扰；无线通信信号（如WiFi、蓝牙等）的干扰；以及由供电网络中的电压或电流突变引起的干扰。如何解决电视的电磁干扰（EMI），成为一个日渐严峻的课题。

提到电磁干扰（EMI），必然离不开我们的电磁器件。话点到此，那，什么电磁器件可以解决电视的电磁干扰（EMI）呢？本文为您介绍磁珠——解决电视的电磁干扰（EMI）的好帮手。它可以有效地抑制高频噪声和尖峰干扰，从而增强电视信号的稳定性和质量。此外，磁珠还通过提升电磁兼容性（EMC），来确保电视设备不受外部电磁干扰的影响。

磁珠的应用原理

磁珠的主要成分是铁氧体，这种材料具有高电阻率和磁导率的特点。当高频电流流经磁珠时，磁珠会展现出高阻抗的特性，吸收高频信号并将其转化为热能释放，以此来抑制高频噪声和尖峰干扰。而在低频条件下，磁珠的阻抗相对较低，对电流的阻碍较小，表现得像一根导线，允许低频信号顺利通过而不对其产生显著的衰减。

在电视的主电源EMI滤波、内部电源之间以及低频信号交互电路的应用中，建议采用祥如电子的六孔磁珠 XRR6H-6*10-3.0T来消除高频干扰，其主要优点包括：

高效性：在广泛的频率范围内（如500Ω@25MHz，700Ω@100MHz）能够有效地吸收和抑制高频噪声。

可靠性：六孔磁珠使用了高品质材料并结合先进的制造工艺，确保了产品的稳定性和可靠性。

易用性：六孔磁珠体积小巧，安装简便，能够轻松集成到各类电子设备中。

多功能性：除了适用于电视等消费电子产品之外，还可应用于工业控制设备、医疗设备等多个领域。

综上所述，利用六孔磁珠的高电阻率和磁导率特性，可以有效地吸收和处理超高频信号。在电视的射频电路、PLI电路、振荡电路以及包含超高频存储设备的电路中，于电源输入部分添加六孔磁珠能够减少高频噪声和干扰。这一措施不仅限于电视，同样适用于计算机、音响系统等其他电子设备，可以在任何可能存在或受到高频干扰的部位使用六孔磁珠来提升性能。

六孔磁珠在电源方案中应用示意图（LFB）

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【应用】阿赛姆电子静电吸收器及ESD产品应用于护眼仪ESD整改

深圳市阿赛姆电子有限公司位于深圳市银星高科技产业园，是一家集电子保护元器件自主研发、生产、销售及EMC设计、EMC技术支持的高科技企业。公司主营产品包括TVS ESD、滤波器、磁珠、等保护器件，在通信、计算机/服务器、安防、军用产品、汽车电子、家电、工业控制、数码消费等领域得到广泛应用。

应用方案发布时间 : 2023-06-27

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硕凯电子（Socay）贴片磁珠选型指南

目录- Chip Ferrite Bead

型号- SCGB1005S100FPF,SCWL201610,SCGB3216S500KTF,SCPB1005S100NPF,SCHB1005G182,SCPB3225S102NTF,SCPB3216S601PTF,SCGB1608H800HPF,SCGB1608S181FPF,SCGB3216-S,SCGB2012W102EPF,SCGB3216-W,SCPB2012S331NPF,SCGB2012H221EPF,SCGB1608W471HPF,SCGB2012S601HPF,SCPB1608S221NPF,SCPB3225S600MTF,SCGB1005W121HPF,SCPB3216W601MTF,SCGB1005S300FPF,SCHB2012W221EBPF,SCGB1005W182EPFB,SCPB1068W121NPF,SCGB1608S600IPF,SCHB1005-W,SCPB1005-W,SCGB3216S601HTF,SCHB1005G601,SCGB2012S300KPF,SCPB1005S300NPF,SCPB4516S600WTF,SCPB4516W600WTF,SCPB1608,SCHB1608-W,SCGB1608S301FPF,SCPB1608S600QPF,SCGB4532S700KTF,SCPB4516-W,SCPB1608S301NPF,SCPB3216W500QTF,SCPB1068W600LPF,SCGB1608W601HPF,SCGB2012S121KPF,SCGB1608W102GPF,SCPB2012S301NPF,SCPB4532S132QTF,SCGB3216S102HTF,SCGB1005S471EPF,SCGB3216S202ETF,SCPB4532S121WTF,SCGB1005S700FPF,SCPB3216,SCGB1608H200HPF,SCGB1608H301EPF,SCGB4532S121KTF,SCWL252010XXXXQ,SCPB1068W471LPF,SCPB2012W310QPF,SCGB1608S102CPF,SCGB3225S900KTF,SCGB1608H121EPF,SCGB2012S202EPF,SCPB2012S600QPF,SCPB1068-W,SCPB2012,SCPB3225,SCHB2012W222EBPF,SCHB1608W601EPF,SCHB1005G182EPF,SCPB1608S471LPF,SCPB3216S122LTF,SCGB1005W102EPFB,SCHB2012-W,SCGB1005-W,SCPB2012S800UPF,SCGB1005-S,SCHB2012W601EBPF,SCPB2012W221NPF,SCPB2012-W,SCGB1005-H,SCPB3216S300WTF,SCGB1608H750HPF,SCGB1608S221FPF,SCGB1005-B,SCGB1005S601EPF,SCGB1608S800IPF,SCGB2012H301EPF,SCPB1608S601LPF,SCPB1005W100LPF,SCGB2012S400KPF,SCPB4532S601QTF,SCHB2012W121EBPF,SCWL252010,SCWL252012,SCGB1005S200FPF,SCGB1608W121HPF,SCPB4516S851MTF,SCGB1005B152DPF,SCPB2012W331MPF,SCPB-W,SCGB1005B102EPF,SCPB-S,SCPB3216-W,SCHB1005G102,SCPB3216S800RTF,SCPB1608S300QPF,SCGB2012S600KPF,SCPB2012S221QPF,SCPB1005S600LPF,SCGB1005W601EPFB,SCHB1005G,SCGB4532-S,SCGB2012H601EPF,SCGB1005S102EPF,SCGB1608W182APF,SCGB1608H102EPF,SCPB1068W181MPF,SCPB2012S121UPF,SCGB4516S800KTF,SCHB1608W121EPF,SCPB4516,SCGB1005H750FPF,SCGB2012W151EPF,SCFL,SCGB1608S300IPF,SCGB1608W221HPF,SCGB1005S400FPF,SCGB2012-W,SCGB-S,SCGB1608S100IPF,SCGB3216S122HTF,SCGB1608S471FPF,SCGB2012-S,SCGB2012H121EPF,SCGB-W,SCPB1068W301MPF,SCGB2012-H,SCGB2012S221HPF,SCGB1608W222APF,SCGB2012S800KPF,SCGB-H,SCPB1068W221MPF,SCGB1608-W,SCPB4532,SCPB2012S310WPF,SCGB1608-H,SCPB1068W300LPF,SCPB2012S400RPF,SCGB1608-S,SCGB1608S601EPF,SCHB1608W102CPF,SCGB3225-S,SCPB1608S121PPF,SCPB3216S500WTF,SCGB1005W241FPF,SCGB1608S121IPF,SCPB3216W121QTF,SCGB1608W252APF,SCPB1005S121MPF,SCPB2012S601NPF,SCGB2012W221EPF,SCGB1005S301EPF,SCGB2012W121EPF,SCPB1608S451MPF,SCGB4532S800KTF,SCHB1608W750HPF,SCGB3216S310KTF,SCGB1005S241EPF,SCGB2012S301HPF,SCHB1005G601FPF,SCPB3216S121WTF,SCGB1005W102EPF,SCGB1005S600FPF,SCGB2012W601EPF,SCML,SCGB3225S600KTF,SCGB4516-S,SCHB1608W241EPF,SCPB1005,SCGB3216W601ETF,SCGB1005S121FPF,SCGB1608H601EPF,SCHB1005G102YPF,SCGB3216S121ITF,SCGB3216S700KTF,SCWL252012XXXXQ,SCGB2012S102FPF,SCHB2012W151EBPF,SCGB4516S151KTF,SCPB1608S800QPF,SCGB1005B601FPF,SCGB3216S152ETF,SCPB2012W600QPF,SCHB1005W750FPF

选型指南 - 硕凯电子 - 2019/3/14 PDF 英文下载