CRT1206-BY-4122ELF is a thin-film precision chip resistor from the CRT Series designed for high-accuracy current sensing and precision circuit applications. This 1206-package resistor features a power rating of 0.25 watt at 70°C, maximum working voltage of 200 V, and maximum overload voltage of 400 V, with ultra-tight tolerance and temperature coefficient of resistance (TCR) ranging from 2 to 50 PPM/°C depending on the selected tolerance grade. The device operates over a wide temperature range and is RoHS compliant, making it suitable for demanding applications in medical equipment, printers, automation equipment, and navigation systems. Its thin-film construction and precision characteristics make it ideal for applications requiring exceptional stability and accuracy in resistance values.