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FC-SCT5.0-1:70-20A是方成(FC)推出的表面贴装式(SMD)电流互感器,专为中小功率电力系统的电流监测设计。核心功能是将初级侧的大电流按1:70比例转换为次级侧的小电流,实现高压/大电流回路与低压控制电路的电气隔离+信号采集,适配对体积、生产效率有要求的小型化设备(如智能电表、充电桩、BMS等)。
这是电流互感器的核心转换逻辑:初级输入电流(I₁)与次级输出电流(I₂)满足 I₂ = I₁ ÷ 70。例如,当初级输入20A额定电流时,次级输出约285.7mA——该小电流可直接被后端电路(如单片机ADC、运放)采样,无需额外高压/大电流检测电路,简化系统设计。
指产品在常温下持续稳定工作的最大输入电流,覆盖80%以上民用及小型工业场景(如家庭配电箱主回路、小型光伏逆变器、手机快充桩等),无需担心常规负载下的过载问题。
初级与次级绕组之间的电气隔离能力,可有效阻断高压侧(如220V/380V市电)与低压控制电路(如5V/3.3V单片机)的导通,避免高压击穿损坏低压器件,满足基本安规要求。
足够的电感值保证互感器在50/60Hz市电频率及部分开关电源频率(≤500kHz)下的电流传输精度,减少信号失真,适合宽频率范围的应用场景。
体积紧凑(适配常规贴片生产线),支持自动化回流焊,可显著提升设备生产效率、降低人工焊接误差,便于集成到小型化产品(如智能插座、微型电表)中。
方成(FC)作为国内专注电流互感器研发的厂商,该产品符合GB/T 17626电磁兼容标准,批量生产一致性好,可提供样品测试与定制化支持,适合家电、新能源、工业控制领域的OEM/ODM客户批量采购。
该产品以“小体积、高隔离、易集成”为核心优势,是中小功率电流监测场景的高性价比选择。
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