Mica Grid Resistors Boost Power Capacity

Vishay Intertechnology’s GREM series high-power, high-current mica grid resistors come in the standard mill bank size and are described as a lower cost option to the standard stainless-steel grid design. The components specify a power rating of 8 kW at 40°C, reported as 23 % higher than standard 6500 W stainless steel grid resistors in the standard mill bank size.


GREM devices are 30 % lighter than stainless steel grid resistors with the same power dissipation and offer a favorable price point. This makes them viable for load banks, dynamic braking, and motor control in low vibration industrial and alternative energy applications.

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GREM resistors feature a resistance range from 0.067Ω to 24.273Ω, with a tolerance of ±10 %, temperature coefficients down ± 130 ppm/°C, and currents from 18A to 345A. The devices offer temperature operation to +415°C.


Samples and production quantities of the GREM series are available now, with lead times of four weeks. Pricing ranges from $300 to $600 per resistor. For more useful facts, peruse the GREM product page and the GREM datasheet.


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