The CRT0603-AS from Bourns is a Power Resistor with Resistance 49.9 to 332000 Ohms, Tolerance ±0.05 to 1 %, Power Rating 1 to 10 W, Voltage Rating 75 V, Temperature Operating Range -55 to 155 Degree C. Tags: Chip. More details for CRT0603-AS can be seen below.