WMSIC Electronic Components

FC FC-SCTEE8.5-1-100T

ModelFC-SCTEE8.5-1-100T
PackageDIP
BrandFC
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Option 174868

Available for RFQ

Technical data

Product details

13 specifications

Core information

Product name
FC FC-SCTEE8.5-1-100T
Type
FC
Minimum package
522 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FC
Electronic Component
FC-SCTEE8.5-1-100T
Electronic Component
1
Package
DIP
Electronic Component
2.1g
Electronic Component
1
Electronic Component
BM0265006192
Electronic Component
Electronic Component
Electronic Component
522

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

FC-SCTEE8.5-1-100T电流互感器产品概述

一、产品核心定位与典型应用

方成(FC)推出的FC-SCTEE8.5-1-100T是一款专为低压电力系统、小型电子设备设计的插件式高精度电流互感器,核心功能是将大电流(最高25A)按1:100比例转换为小电流输出,让后端电路(如ADC、PLC、计量芯片)可安全、准确地监测电流。

典型应用场景包括:

  1. 智能电表/预付费电表的电流计量模块——精准采集用户用电电流,支撑电费结算;
  2. 7kW以下小型充电桩的过流保护——实时检测充电电流,避免过载损坏设备;
  3. 工业小型PLC/变频器辅助模块的模拟量输入——适配0-25A电流范围,监控设备运行状态;
  4. 变频空调、智能冰箱的电流反馈控制——通过电流检测优化功率调节,提升能效;
  5. 实验室小型测试设备的电流传感——低成本实现大电流到小信号的转换。

二、关键技术参数解析

FC-SCTEE8.5-1-100T的参数设计兼顾安全、精度与实用性,核心参数及实际意义如下:

1. 匝数比1:100

初级输入电流(I₁)与次级输出电流(I₂)比例为1:100,即I₂ = I₁/100。例如:输入25A时,次级输出0.25A;输入5A时,输出0.05A。无需额外放大电路即可适配低压检测电路,简化系统设计。

2. 额定输入电流25A

连续工作允许的最大输入电流,短期(<10秒)过载可承受30A左右,满足多数小型设备的电流范围需求。

3. 隔离电压1.5kV(Vrms)

初级与次级绕组的电气隔离能力,可阻断高低压电路干扰,保障后端低压控制电路(如单片机、ADC)安全——即使初级侧有瞬时高压波动,也不会窜入次级损坏敏感元件。

4. 次级侧电感值5mH

影响信号响应速度与抗干扰:5mH电感可减少高频噪声干扰,保证动态电流(如脉冲电流)传输稳定,适合实时监测场景。

5. 内阻参数

  • 初级内阻≤2.5Ω:初级回路损耗小,连续工作发热低,避免绕组老化;
  • 次级内阻≤1.5mΩ:输出回路电阻极小,减少信号衰减,电流检测精度(失真率<1%)。

三、设计优势与性能特点

相比同类插件式互感器,FC-SCTEE8.5-1-100T具有以下核心优势:

1. 安全隔离,双重防护

1.5kV隔离电压符合GB/T 17626电磁兼容标准,绕组采用绝缘漆包裹+骨架隔离设计,可直接应用于需要安规认证的家电、工业设备。

2. 低损耗,长寿命

低内阻设计使功率损耗极小:输入25A时,初级损耗仅≈1.56W,连续工作温度上升≤10℃,MTBF(平均无故障时间)≥50000小时。

3. 精度稳定,抗干扰强

次级5mH电感配合优化绕组结构,额定电流范围内失真率≤0.5%,对50/60Hz工频干扰抑制达30dB以上,适合复杂电磁环境。

4. 安装便捷,兼容性强

插件式(DIP)封装无需特殊工具,适配传统波峰焊、手工焊生产线;引脚间距符合2.54mm标准,无需修改PCB即可替换同类产品。

四、应用适配与注意事项

为保证性能与安全,使用时需注意以下要点:

1. 适配电路建议

  • 次级输出串10Ω/0.5W电阻,将0-0.25A电流转换为0-2.5V电压,适配多数ADC(0-3.3V输入范围);
  • 并联10nF电容可进一步滤除高频噪声,提升精度。

2. 安全注意事项

  • 严禁次级开路:开路会产生数百伏高压,损坏电路或触电,需始终连接负载;
  • 过载控制:连续输入≤25A,瞬时过载≤30A且持续<10秒;
  • 焊接温度:手工焊温度≤260℃,单引脚焊接时间≤3秒;
  • 绝缘距离:PCB上初级与次级焊盘间距≥5mm,符合安规要求。

五、总结

FC-SCTEE8.5-1-100T是一款高性价比、高可靠性的插件式电流互感器,针对小型设备电流检测场景优化,兼顾安全、精度与安装便捷性。无论是家电、工业控制还是计量领域,均能满足低成本、稳定可靠的电流传感需求,是替代同类进口产品的理想选择。

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