The AR13 from Viking Tech America is a Resistor with Resistance 1 Ohms to 2.5 MOhms, Power Rating 250 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 150 V. Tags: Surface Mount, Chip. More details for AR13 can be seen below.