Resistor - Single: Type - Wirewound Resistor, Fixed; Power Rating - 30W; Nominal Resistance - 25 Ohms; Voltage - 281V; Tolerance - 5 pct; Terminal Type - Lug; Power Rating Based on Temperature - 25 deg C; Temperature Coefficient - 260 ppm/deg C; Size - Body - 1.250 in 31.7mm Length x 1.000 in 25.4mm Diameter; Size - Terminals - 0.438 in 11.1mm Length x 0.109 in 2.7mm Hole I.D.; Body Material - Ceramic, Vitreous Enamel Coated; Terminal Material - Solder Coated SnAgCu; Mounting - Integral Stackable Bracket; Additional Information - Thin Stackohm; Manufacturer Series - 250 Series