IWATSU SS-289A-H high-temperature-40 to 150 deg 12000 A high-frequency Rogowski current coil probe 1.7 mm for SiC device GaN test

The SS-280AH series adopts an open-type flexible coil with a maximum wire diameter of 1.7mm, capable of passing through pin tests, suitable for narrow and very confined spaces. The coil length is 84mm. Compared with traditional current sensors, it is easier to install and use, allowing online current measurement and monitoring.


The SS-280A-H series is basically identical in appearance to the SS-280A series, and the measurement range is also basically the same. The main difference is that the SS-280A-H series can withstand high temperatures up to 150°C.

It is the only Rogowski coil that can withstand temperatures above 125℃.

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Main Features of SS-280A-H Series:

• The probe tip diameter is as thin as 1.7mm, allowing direct detection of TO-type MOSFETs and IGBTs used in power electronic devices such as switch-mode power supplies.

• Has a frequency bandwidth of 30MHz, allowing observation of high-frequency switching waveforms.

• The current measurement range is 30A~30000A, supporting various current measurements without magnetic saturation, making it reliable for high current measurement.

• Temperature range of the probe section for A-H type: -40°C ~ 150°C