3549S-1AA-203A is a 10-turn wirewound precision potentiometer designed for high-accuracy adjustment applications. It features a 20K ohms resistance value with ±3% total resistance tolerance and ±0.2% independent linearity. The potentiometer offers a 3600° effective electrical angle, 2 watts power rating at +70°C, and 1000 VAC dielectric withstanding voltage at sea level. Mechanical characteristics include a backlash of 1.0° max, stop strength of 53 N-cm minimum, and gold-plated solder lug terminals. This RoHS compliant component is suitable for HMI and MMI applications where precision control and high rotational life are required.