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IWATSU SS-643 Rogowski Coil Current Prob IWATSU

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IWATSU SS-643 Rogowski Coil Current Probe 3.5mm 50MHz 120A for SiC/GaN
  • IWATSU SS-643 Rogowski Coil Current Probe 3.5mm 50MHz 120A for SiC/GaN

IWATSU SS-643 Rogowski Coil Current Probe 3.5mm 50MHz 120A for SiC/GaN

Brand: IWATSU

Origin:

3.5mm 线圈、100mm 线圈长、50MHz 带宽（tr=7ns）、峰值 120A、灵敏度 50mV/A，耐压 2kV，-40~+125°C。屏蔽结构设计提升抗噪性能，最大 150kA/µs 绝对最大 di/dt，适用于 SiC/GaN 高速开关电流测量。
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SS-640 Series Catalog (Japanese) SS-640 Series Catalog (Japanese)
Overview

3.5 mm coil, 100 mm coil length, 50 MHz bandwidth (tr=7 ns), 120 A peak, sensitivity 50 mV/A, 2 kV withstand, -40°C ~ +125°C. Shielded design for improved noise immunity, absolute max di/dt 150 kA/µs, for SiC/GaN high-speed switching current measurement.

Key features:SiC/GaN high-speed switching current measurement;50 MHz wide bandwidth (tr=7 ns);shielded design for noise immunity;150 kA/µs absolute max di/dt;3.5 mm thin wire diameter;2 kV withstand;zero adjustment

Data source:Original SS-640 series catalogue (GRAPHTEC IWATSU Test Instruments Co., Ltd., 2026)

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Specifications
Parameter Value
Peak Current 120 A
Sensitivity 50 mV/A
Noise 2 mV (rms, effective value)
Peak di/dt 16 kA/µs
Low Frequency Cut-off 75 Hz
High Frequency Bandwidth 50 MHz
Frequency Bandwidth 75Hz~50MHz
Typical Accuracy ±2% (sensor: -10°C ~ +70°C)
Coil Diameter 3.5 mm
Coil Length 100 mm ±5 mm
Cable Length 1 m ±50 mm
Coil Withstand Voltage 2 kV peak
Operating Temperature -40°C ~ +125°C (incl. sensor cable)
Zero Adjustment Yes (±5mV or more)
Noise (current equivalent) 0.33 A rms
Absolute Max di/dt (Peak) 150 kA/µs
Absolute Max di/dt (RMS) 3 kA/µs
Expand IWATSU SS-643 Rogowski Coil Current Prob

* Specifications are subject to change without notice.