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顺络(Sunlord)SZ1005K102CTF是一款针对高频电磁干扰(EMI)抑制设计的片式铁氧体磁珠,属于顺络成熟的片式磁珠系列产品。该元件采用小型化封装,核心功能是在特定频率范围内衰减干扰信号,同时保持直流信号的低损耗传输,广泛适配消费电子、通信、汽车电子等领域的电路设计需求。
该磁珠的交流阻抗为1kΩ@100MHz,误差范围±25%。阻抗是磁珠抑制高频干扰的核心参数——在100MHz频率下,磁珠表现出较高的交流阻抗,可有效衰减该频段及附近的电磁干扰信号(如射频干扰、开关电源噪声);±25%的误差范围满足大多数电子设备的EMI抑制精度要求,无需额外的精准匹配设计。
直流电阻为1.2Ω,该参数直接影响磁珠的直流功耗和信号直流损失。1.2Ω属于低DCR设计,可显著降低磁珠在直流电路中的功率损耗(尤其适用于低功耗设备),同时减少对直流信号(如电源电压、低速数字信号)的压降影响,平衡了EMI抑制与信号完整性需求。
额定电流为200mA,指磁珠在工作温度范围内可长期稳定工作的最大直流电流。若电流超过该值,磁珠会因磁饱和或过热导致阻抗下降、性能失效,甚至损坏。200mA的额定电流满足大多数小型电子设备的电流需求(如智能手机单条数据线、可穿戴设备传感器线路)。
根据顺络磁珠型号命名规则,“1005”对应公制1.0mm×0.5mm封装(英制0402封装),该封装体积小(仅约0.5mm²),适合高密度表面贴装(SMT)工艺,可有效节省PCB空间,适配智能手机、蓝牙耳机、智能手环等便携设备的紧凑布局,同时支持自动化批量生产,降低组装成本。
SZ1005K102CTF的参数特性使其适配多种高频干扰抑制场景:
该产品凭借平衡的性能参数与小型化设计,成为各类电子设备EMI抑制方案中的高性价比选择,尤其适配对体积、功耗敏感的便携及汽车电子场景。
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WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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