The largest wattage version of Mundorf series of resistors, rated at 25 watts. These are of a wirewound construction with the element embedded in cement to reduce vibration. Non-magnetic. A rugged resistor than can take a lot of power.

Resistance tolerance is +/- 5%. Values available are 1R to 56R. body measures (rectangular) 15mm width x 13mm height x 60mm length, leadouts measure 35mm length x 0.8mm diameter.