The SEI STACKPOLE KAL50FB50R0 is a precision wirewound resistor with a resistance of 50 Ohms and a tolerance of 1%. This 50W resistor has a temperature coefficient of ±20ppm/°C, making it ideal for precision applications where temperature stability is critical. Housed in a rugged aluminum casing, the resistor is designed for chassis mounting and comes in bulk packaging for convenience.