The ESS-2A from Vishay is a Space Qualified Resistor with a resistance range of 0.1-12.1 KOhms. This resistor has a power rating of 2 W and a temperature coefficient of resistance of up to +/- 650 ppm/Degree C. It features a complete welded construction and is high-temperature silicone coated. The resistor has a mass of 0.9 g and measures 0.812 x 0.187 x 0.032 Inches.