The ARG03DTC4990 is a ±0.5% 499O 0603 Chip Resistor manufactured by Viking. It is a surface mount device designed for RoHS compliance, and is intended to provide reliable performance in a wide range of applications. It is exceptionally suited for use in PCBs (printed circuit boards), as well as in various consumer and industrial electronics such as portable electronics, LEDs, audio/video products, medical products, appliances, and aerospace. It features low resistance, excellent thermal stability, and a wide operating temperature range of -55°C to +125°C. The ARG03DTC4990 is available in various size options: 0201, 0402, 0603, and 0805. It also has a flexibility to be used with a variety of materials including Ni-Cu, Ag, and Au finishes for gold over nickel plating.