The AR01 from Viking Tech America is a Resistor with Resistance 49.9 Ohms to 75 kOhms, Power Rating 31.25 mW, Temperature Coefficient (TCR) ±25 ppm/Degree C, ±50 ppm/Degree C, Tolerance ±0.01%, ±0.05%, ±0.1%, ±0.25%, ±0.5%, ±1%, Voltage Rating 15 V. Tags: Surface Mount, Chip. More details for AR01 can be seen below.