Resistors offer improved specifications over stainless steel devices
09-08-2018 |
Vishay
|
Passives
Vishay Intertechnology has launched a new series of high power, high current mica grid resistors in the standard mill bank size. Providing designers with a lower cost option to the standard stainless steel grid design, Vishay Milwaukee GREM resistors offer EDG technology for improvements in power capacity, weight, and watt density, while maintaining the same package size.
The devices released today feature power of 8kW at 40C, which is 23% higher than standard 6500W stainless steel grid resistors in the standard mill bank size. At the same time, GREM devices are 30% lighter than stainless steel grid resistors with the same power dissipation and provide a favourable price point. These specifications make the devices appropriate for dynamic braking, load banks, and motor control in low vibration industrial and alternative energy applications.
These resistors feature a resistance range from 0.067Ohm to 24.273Ohm, with a tolerance of ±10%, temperature coefficients down ±130ppm/C, and currents from 18A to 345A. The devices offer high-temperature operation to +415C.
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