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PEM CWTUMHF-F/15 分叉式屏蔽高频罗氏探头(1.7mm 厚),HF 带宽 30MHz,灵敏度 2 mV/A,峰值 3000 A。
优势应用:高 dv/dt 环境分叉卡装测量
资料来源:(P2) 官网 pemuk.com CWTUMHF-F datasheet(2025)
探头为 PEM 屏蔽型高频罗氏线圈:1.7mm 超薄截面加静电屏蔽层,在保持罗氏线圈无饱和、高线性优势的同时,有效抑制邻近导体 dV/dt 耦合干扰,HF 档带宽达 30MHz,固定灵敏度出厂标定。
典型应用:高速功率半导体(SiC/GaN)开关电流精细测量、双脉冲测试、EMC 传导干扰定位,以及对空间和抗扰度都有苛刻要求的密集功率回路。
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| Parameter | Value |
|---|---|
| Peak Current | 3000 A |
| High Frequency Bandwidth | 30 MHz |
| Low Frequency Cut-off | 5 Hz |
| Frequency Bandwidth | 30 MHz |
| Peak di/dt | 100 kA/µs |
| Droop Rate | 4.6 %/ms |
| Sensitivity | 2 mV/A |
| Noise | 12 mV (p-p, peak-to-peak) |
| Coil Withstand Voltage | 1.2 kV |
| Operating Temperature | -40~+125 °C |
| Zero Adjustment | No |
| Coil Diameter | 1.7 mm, Forked |
| Coil Length | 55 mm |
| Cable Length | 1.0 m |