IWATSU SS-283A-H high-temperature-40 to 150 deg 120 A high-frequency Rogowski current coil probe 1.7 mm for SiC device GaN test

The SS-280AH series uses an open-type flexible coil with a maximum diameter of 1.7mm, allowing pin testing and suitable for very narrow spaces. The coil length is 84mm, making installation and use easier than traditional current sensors and allowing online measurement and monitoring of current.


The SS-280A-H series is basically identical in appearance and range to the SS-280A series, with the main difference being that the SS-280A-H series is resistant to high temperatures up to 150 degrees Celsius.

is the only Roche coil with a temperature resistance above 125°C.

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SS-280A-H Series Main features:

• The tip of the probe has a diameter as thin as 1.7mm, allowing direct detection of TO-type MOSFETs and IGBTs used in power electronic devices such as switching power supplies

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

• current testing range is 30A~30000A, supporting various current measurements because it does not cause magnetic saturation, allowing confident high-current measurements.

• probe applicable temperature range A-H type temperature range-40°C~ 150°C