High Voltage Dividers: KOA with New MHVD Series

The Japanese resistor specialist KOA will soon launch a component for the precise measurement of high voltages. With the MHVD high-voltage divider in thick-film technology, precise voltage measurements of up to 1,500 volts will be possible. Divider ratios from 1:100 up to 1:500 can be realized. In the best case, absolute and relative resistance tolerances of 0.25% are possible; the TCR for both resistance elements is specified at 50 ppm/K, while for the relative TCR, a choice between 25 and 50 ppm/K is available. The dimensions are 11.5 x 7 x 4.3 mm (LxWxH).

Samples of the MHVD will be available starting April 2026. The start of mass production is planned for July 2026. The MHVD represents a more cost-effective alternative to the HVD, which has been available for some time. While the HVD in thin-film technology enables even more precise measurement of high voltages as a voltage divider, this precision exceeds the requirements for some applications. In such cases, the MHVD can be used. Like almost all KOA series, the MHVD will also meet AEC-Q200 requirements.

Naturally, KOA has also addressed the issue of creepage distances; for further information, please contact Robert Cleve via email (robert.cleve@ivec-cleve.de).