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FC-SCT1090-100T-50A是方成(FC)品牌推出的一款DIP封装交流电流互感器,专为中低功率场景下的电流测量与保护设计,核心功能是将被测大电流按1:100的匝数比精准转换为可直接采样的小电流信号,兼顾精度、隔离性与实用性,适配多种工业及民用电子设备。
该互感器聚焦**“低成本、高可靠性”**的电流监测需求,主要应用于以下场景:
FC-SCT1090-100T-50A的核心参数与对应优势如下:
参数项 规格值 性能优势 匝数比 1:100 大电流→小电流(50A→0.5A)精准转换 额定输入电流 50A(AC) 覆盖常规工业/民用设备电流范围 隔离电压(Vrms) 2.5kV 满足高低压电路隔离安规要求 次级侧电感值 5mH 抑制高频噪声,提升信号稳定性 初级侧内阻(最大值) 0.8mΩ 对被测电路损耗极小,不干扰原电流 次级侧内阻(最大值) 1.5Ω 配合采样电阻可实现精准电压输出 封装类型 DIP(双列直插) 兼容常规PCB焊接工艺,便于批量生产匝数比1:100为标准线性转换关系,在额定输入电流(≤50A)范围内,转换精度稳定,无明显饱和失真,可满足大多数设备的电流监测需求(如计量精度要求≤1%的场景)。
2.5kV(Vrms)的隔离电压符合GB/T 13070等安规标准,能有效隔离初级(高压/大电流侧)与次级(低压/小电流侧)电路,避免高低压串扰及安全隐患。
5mH的次级电感可有效衰减高频干扰信号(如开关电源噪声),提升输出信号的信噪比,保证后续电路(如ADC采样)的精度。
FC-SCT1090-100T-50A采用标准DIP封装,尺寸适配常规PCB板的插件孔位,焊接时可采用手工焊接或波峰焊工艺(建议焊接温度≤260℃,单次焊接时间≤3秒),避免封装损坏。
可靠性方面,该互感器采用耐温、耐老化的绝缘材料,长期工作在-20℃~85℃环境下性能稳定,内阻及匝数比无明显漂移,适合工业环境的连续运行需求。
FC-SCT1090-100T-50A电流互感器以**“高性价比、高可靠性”**为核心,兼顾电流转换精度、隔离性能与安装便利性,是工业自动化、电力配电、新能源等领域电流监测与保护的理想选择,能有效降低系统设计成本,提升设备安全性与稳定性。
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