Resistors - Single: Type - Wirewound Resistor, Fixed; Power Rating - 25W; Nominal Resistance - 50 Ohms; Voltage - 520V; Tolerance - 1 pct; Terminal Type - Axial Lead; Power Rating Based on Temperature - 25 deg C; Temperature Coefficient - 20 ppm/deg C; Size - Body - 1.062"(26.9mm) Length x 1.094"(27.7mm) Width; Size - Terminals - 0.438"(11.1mm) Length x 0.085"(2.1mm) Diameter; Body Material - Ceramic, Anodized Aluminum Housing; Terminal Material - Solder Coated; Mounting - Chassis; Additional Information - Metal-Mite; Manufacturer Series - 89 Series