【产品】额定电流高达2000mA的低阻抗小型铁氧体磁珠

2018-07-15 Laird
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铁氧体磁珠是一种利用电感原理制作而成的元器件,主要用于抑制信号或电源线的高频噪声和尖峰干扰,还具有吸收静电脉冲的能力,是目前应用发展很快且廉价易用的一种电磁抗干扰器件。LAIRD公司针对此类产品具有独家专利的解决方案,其生产的铁氧体磁珠具有高效的电磁干扰屏蔽性能,可定制化生产,广泛应用于工业电子,移动通信,汽车电子,智能设备,医疗健康等领域。


铁氧体磁珠能够建模为一个由电阻、电感、电容组成的简化电路,其原理图如图1所示,其中RDC对应磁珠直流电阻,CPAR、LBEAD和RAC分别表示寄生电容、磁珠电感和与磁珠有关的交流电阻(交流磁芯损耗)。

图1 铁氧体磁珠简化电路模型

MI0402L100R-10采用Laird公司具有独家专利的铁氧体材料,其尺寸型号为小型,长(1mm)×宽(0.5mm)×高(0.5mm),在100MHz下的标定阻抗大小为10Ω,最小值为7.5Ω,最大值为12.5Ω,直流电阻(最大)为0.1Ω,额定电流(最大)为2000mA,达到磁饱和所需电流较大,因此适应于较大电流下的电路环境,同时可在-40℃~+125℃的温度环境中工作。

图2 MI0402L100R-10磁珠的尺寸参数


图3 不同电流下阻抗随频率的变化曲线

 

图4 阻抗Z、电阻R、电抗X随频率的变化曲线

铁氧体磁珠MI0402L100R-10产品特性:

尺寸(长、宽、高):1.00mm×0.50mm×0.50mm

阻抗(100MHz):10Ω(最大为12.5Ω、最小为7.5Ω)

直流电阻(最大):0.1Ω

额定电流(最大):2000mA

工作温度:-40℃~+125℃

安装类型:表面贴装


铁氧体磁珠MI0402L100R-10应用领域:

移动通信/终端,工业电子,汽车电子,智能设备,医疗健康,军工设备

授权代理商:世强先进(深圳)科技股份有限公司
技术资料,数据手册,3D模型库,原理图,PCB封装文件,选型指南来源平台:世强硬创平台www.sekorm.com
现货商城,价格查询,交期查询,订货,现货采购,在线购买,样品申请渠道:世强硬创平台电子商城www.sekorm.com/supply/
概念,方案,设计,选型,BOM优化,FAE技术支持,样品,加工定制,测试,量产供应服务提供:世强硬创平台www.sekorm.com
集成电路,电子元件,电子材料,电气自动化,电机,仪器全品类供应:世强硬创平台www.sekorm.com
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本文由MHF翻译自Laird,版权归世强硬创平台所有,非经授权,任何媒体、网站或个人不得转载,授权转载时须注明“来源:世强硬创平台”。

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  • 游来游去 Lv8. 研究员 2018-10-01
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目录- 空心圆屏蔽套    带鳍空心圆屏蔽套    空心双圆屏蔽套    带有PSA超柔屏蔽套    鳍单圆垫圈    单鳍双圆垫圈    立方体垫圈    圆柱垫圈    带有PSA的密封垫圈    带有PSA的双密封垫圈    超柔导电材料    海绵内芯长方体垫圈    海绵内芯圆柱垫圈    有机硅管圆柱垫圈    单鳍海绵内芯垫圈    双鳍海绵内芯垫圈    有机硅管单鳍垫圈    有机硅管双鳍垫圈    导电接地EMI垫圈    导电网带    超柔编制垫圈   

型号- 8401-0142,8904-0117-XX,8902-0156,8902-0150,8909-0118,8404-0121-XX,8906-0171-XX,8907-0140-XX,8410-0105-55,8104-0104-40,8410-0105-50,8908-0108-XX,8405-0103-50,8918-0175,8401-0133-XX,8902-0140,8910-0108,8910-0102,8406-0106-50,8910-0105,8907-0174-XX,8909-0125,8417-3064-62,8401-0155,8909-0122,8403-0106-50,8902-0174,8902-0176,8403-0105-XX,8901-0117-XX,8902-0171,8902-0170,8915-0130-XX,8901-0176-XX,8918-0105-XX,8910-0122,8413-0105-64,8415-0112-64,8904-0129-XX,8901-0140-XX,8103-0101-40,8910-0125,8417-3052-62,8401-0121-XX,8909-0145,8901-0107,8401-0155-XX,8103-0125-40,8907-0129-XX,8901-0101,8901-0102,8405-01,8909-0157,8908-0180-XX,8103-0113-40,8909-0170,8415-0110-64,8908-0118-XX,8901-01,8417-3054-62,8909-0122-XX,843,8406-0116-50,8905-0157-XX,8909-0168,8401-0123-XX,8903-0171-XX,8401-0111-XX,8905-0180-XX,8409-0173-50,8902-0135-XX,8904-0105-XX,8903-0177,8903-0175,8903-0176,8909-0175,8903-0171,8909-0174,8909-0178,8902-0101-XX,8101-0104-40,8409-0106-50,8414-0108-64,8402-0102-XX,8403-0115-XX,8903-0180,8401-0113-XX,8904-0137-XX,8401-0126-44,8404-0118-XX,8912-0140-XX,8412-0104-50,8903-0122-XX,8101-0102-40,8417-3050-62,8415-01,8103-0103-40,8909-0178-XX,8101-01,8410-0107-50,8908-0157-XX,8406-0104-50,8414-0104-64,8903-0110-XX,8911-0102-XX,8403-01,8104-0106-40,8401-0101-XX,8401-0114-42,8103-0115-40,8906-0116-XX,8300-0100-44,8402-0106-XX,8908-0101-XX,8102-0209-40,8902-0108-XX,8907-0107-XX,8413-0103-56,8907-0109-XX,8902-0110,8403-0107-XX,8406-0102-50,8916-0135-XX,8417-3072-62,8401-0103-XX,8906-0175-XX,8902-0117,8902-0116,8104-0108-40,8902-0118,8910-0125-XX,8905-0116-XX,8413-0103-64,8909-0102-XX,8902-0102,8902-0101,8908-0177-XX,8401-0137-XX,8404-0108-XX,8910-0140,8402-0104-XX,8912-0150-XX,8414-0106-64,8902-0108,8102-0207-40,8902-0107,8909-0168-XX,8902-0109,8902-0135,8902-0137,8910-0178,8417-3,8904-0125-XX,8910-0174,8903-0156-XX,8917-0130,8901-0107-XX,8906-0118-XX,8902-0122,8405-0101-50,8412-0102-50,8904-0170-XX,8912-0117-XX,8901-0130-XX,8402-0103,8402-0102,8402-0101,8909-0105,8413-01,8402-0107,8406-0114-50,8402-0106,8103-0105-40,8402-0105,8907-0176-XX,8402-0104,8909-0108,8402-0109,8402-0108,8902-0129,8417-3062-62,8401-0125-XX,8909-0102,8909-0101,8103-01,8907-0157-XX,8906-0107-XX,8903-0177-XX,8912-0102-XX,8103-0106-40,8918-0135-XX,8904-0168,8402-0109-42,8403-0112-XX,8104-0109-40,8406-0101-50,8904-0171,8401-0127-XX,8904-0170,8904-0175,8904-0178,8402-0108-XX,8904-0177,8904-0176,8911-0145-XX,8404-0115-XX,8908-0178,8103-0118-40,8908-0177,8908-0174,8907-0180-XX,8403-0101-42,8902-0150-XX,8401-0115-XX,8904-0180,8412-01,8406-0113-50,8908-0180,8406-0101-55,8905-0137-XX,8910-0140-XX,8908-0168,8412-0106-50,8904-0168-XX,8403-0101-50,8409-0158-50,8913-0140-XX,8415-0106-64,8908-0170,8908-0171,88401-0108,8909-0105-XX,8904-0129,8902-0117-XX,8404-0105-XX,8401-0117-XX,8406-0111-50,8904-0156-XX,8409-0168-50,8904-0110-XX,8904-0125,8904-0130,8417-3060-62,8910-0105-XX,8415-0104-64,8902-0140-XX,8904-0137,8907-0101-XX,8403-0109-XX,8300-0038-44,8906-0109-XX,8103-0108-40,8911-0135-XX,8901-0110-XX,8905-0175-XX,8904-0145,8401-0105-XX,8403-0110-XX,8902-0174-XX,8102-0205-40,8917-0130-XX,8414-0103-64,8401-0118-42,8417-3059-62,8913-0150-XX,8904-0178-XX,8902-0129-XX,8904-0157,8904-0156,8300-0225-44,8912-0122-XX,8911-0117,8908-0118,8404-0101-XX,8414-0111-64,8410-01,8409-0126-50,8906-0156-XX,8901-0140,8409-01,8401-0107-XX,8908-0101,8102-0203-40,8906-0110-XX,8901-0137,8907-0137-XX,8908-0109,8908-0107,8911-0125,8403-8XXX-XX,8908-0108,8911-0122,8901-0130,8401-144-XX,8901-0156-XX,8903-0175-XX,8915-0150-XX,8904-0109-XX,8417-3055-62,8403-0114-XX,8901-0116,8903-0116-XX,8901-0117,8901-0118,8901-0168-XX,8902-0170-XX,8908-0171-XX,8911-0108,8101-0108-40,8401-0129-XX,8410-0102-55,8911-0102,8409-0102-50,8401-0108-42,8410-0102-54,8409-0161-50,8410-0102-50,8906-0178-XX,8901-0110,8901-0102-XX,8908-0157,8910-0174-XX,8901-0180,8904-0107-XX,8905-0177-XX,8911-0108-XX,8401-0109,8401-0107,8401-0105,8401-0106,8401-0103,8401-0104,8401-0101,8401-0102,8918-0135,8414-0101-64,8403-0103-50,8403-0102-XX,8417-3057-62,8902-0137-XX,8904-0130-XX,8901-0170,8907-0170-XX,8101-0106-40,8904-0176-XX,8401-0118,8401-0119,8409-0104-50,8401-0116,8901-0177,8401-0117,8401-0114,8401-0115,8401-0112,8401-0113,8401-0110,8401-0111,8410-0104-50,8901-0176,8401-0120,8918-0105,8404-0103-XX,8909-0174-XX,8401-0119-XX,8911-0130,8104-0102-40,8911-0135,8401-0129,8401-0127,8401-0125,8901-0168,8401-0126,8401-0123,8401-0124,8401-0120-XX,8401-0121,8401-0122,8417-3067-62,8401-0131,8908-0122,8103-0111-40,8906-0168-XX,8908-0129,8908-0125,8911-0140,8911-0145,8406-0108-50,8406-0131-50,8415-0102-64,8901-0156,8401-0137,8401-0134,8401-0142-XX,8401-0133,8412-0101-50,8908-0178-XX,8906-0180,8409-0117-50,8903-0125-XX,8103-0112-40,8905-0109-XX,8909-0101-XX,8413-0104-64,8902-0156-XX,8404-0109-XX,8902-0110-XX,8417-3053-62,8906-0178,8904-0175-XX,8401-0122-XX,8906-0174,8906-0175,8906-0177,8906-0170,8906-0171,8914-0130,8403-0107-50,8417-3065-62,8907-0116-XX,8905-0107,8403-0106-XX,8901-0118-XX,8905-0102,8905-0178-XX,88403-0114,8914-0150-XX,8906-0168

选型指南  -  LAIRD  - 2016年05月17日 PDF 中文 下载

数据手册  -  LAIRD  - 2017年01月19日 PDF 英文 下载

Laird电磁屏蔽材料可以用于消除无源器件腔体谐振吗?

吸波材料用于消除腔体谐振,推荐固美丽(Parker Chomerics)公司的CHO-MUTE™ 9005,参考资料如下CHO-MUTE™ 9005 数据手册,【应用】CHO-MUTE 9005吸波材料助力射频仪器尽可能减少射频干扰与反射干扰,【经验】Parker Chomerics微波吸收材料基础知识及工作原理

技术问答    发布时间 : 2019-08-14

Laird电磁屏蔽材料:采用专有涂层技术,有效性在10GHz时可达120dB

Laird电磁屏蔽材料包含吸波材料、导电橡胶、泡棉、导电胶、导电布、金属簧片、屏蔽罩、金属织网、磁珠和电感。导热吸波CoolZorb 600高导热系数5.0W/m-K,低挥发Outgassing (TML) 0.15%,严苛环境下确保高可靠性。导电橡胶可提供体电阻低至0.002Ω cm,屏蔽效果高达120dB,压缩率可至45%产品。吸波材料BSR-1超薄至0.25mm,杂波吸收频率大于6GHZ。

原厂动态    发布时间 : 2018-09-02

导电橡胶条的电阻如何计量?其阻值大小为多少?

导电橡胶条按照体电阻来计量,阻值没有准确大小,要根据实际掺杂的导电材质确定,如掺杂较差导电材料石墨则其阻值大概为1ohm,掺杂稍微好点的导电材料其阻值则可以达到mohm级别。

技术问答    发布时间 : 2017-09-29

【应用】可覆盖300Hz至2GHz频段范围的铁氧体磁珠,为消除高频噪声和尖峰干扰中提供解决方案

磁珠的主要由铁氧体材料组成,铁氧体通常可以等效为电阻和电感并联,在低频时电阻被电感短路,高频时电感阻抗较大,以至于电流全部通过电阻从而把交流电流转化为热能,而磁珠的主要应用是消除存在于电路板中的射频噪声。Laird公司推出了各种应用场景的产品,例如适合圆线缆的实心铁氧体磁芯、抑制高频共模和差模信号的可拆卸的塑料壳铁氧体磁芯等一系列产品。

应用方案    发布时间 : 2019-01-30

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