IWATSU SS-281A-H/SS-282A-H high-temperature-40 to 150 deg 30 A/60 A high-frequency Rogowski current coil probe 1.7 mm for SiC device GaN test

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


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

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

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Main Features of the SS-280A-H Series:

• The probe tip diameter is as small as 1.7mm, which can directly detect TO-type MOSFETs and IGBTs used in switch-mode power supplies and other power electronic devices.

• It has a frequency bandwidth of 30MHz, allowing high-frequency switching waveforms to be observed.

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

• The operating temperature range of the probe portion for A-H type -40°C~150°C