TRIMMER, POTENTIOMETER, 500 OHM 1TURN TH; TRIMMER, POTENTIOMETER, 500 OHM 1TURN THRU HOLE; Track Resistance:500ohm; No. of Turns:1; Resistance Tolerance:± 10%; Temperature Coefficient:± 100ppm/°C; Power Rating:500mW; Potentiometer Mounting:Through Hole; Adjustment Type:Top