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SZ0603G470TF是顺络电子(Sunlord)推出的0201封装片式磁珠,属于高频电磁干扰(EMI)抑制核心元件。其核心作用是在电路中精准滤除特定频段的杂波信号,同时保持直流信号的低损耗传输,适配小型化、低功耗电子设备的EMI优化需求,是消费电子、工业控制等领域的通用滤波元件。
磁珠性能需结合交流阻抗、直流损耗、电流承载能力等维度评估,该产品关键参数如下:
产品标称阻抗为47Ω±25%@100MHz——磁珠的阻抗为交流阻抗(区别于电感的感抗),其值随频率动态变化,100MHz是行业通用典型测试频率,对应蓝牙、WiFi等无线通信辅助频段的干扰抑制能力较强。±25%的误差范围符合常规片式磁珠的生产工艺公差,可满足多数通用电路的滤波需求。
直流电阻为700mΩ,属于低损耗设计——DCR反映磁珠对直流信号的损耗,700mΩ的阻值可将直流压降控制在较低水平(如150mA额定电流下,压降仅105mV),不会显著影响电路直流工作点,适合对电源效率要求较高的低功耗场景。
额定电流为150mA,指元件在**-55℃~+125℃全温区**可长期稳定工作的最大直流电流。若电路峰值电流超过该值,需通过并联多个磁珠或降额使用(如按80%额定电流设计),避免磁珠过热导致阻抗特性恶化或失效。
单通道(1通道)设计,结构简单,可直接串联在信号或电源线路中,无需额外并联/串联组合,简化电路布局。
产品采用0201英寸封装(公制对应0.6mm×0.3mm×0.3mm,顺络标准封装尺寸:L=0.6±0.03mm,W=0.3±0.03mm,H=0.3±0.03mm),是目前片式元件中尺寸最小的封装之一,具备以下优势:
结合参数特性,SZ0603G470TF主要应用于以下场景:
顺络作为国内领先的片式元件厂商,该产品可靠性具备以下特点:
该产品凭借小封装、低损耗、宽温稳定等特性,成为小型化电子设备EMI抑制的高性价比选择。
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