WR12X390 JTL, manufactured by Walsin, is a surface mount chip resistor with a resistance of 39O ±5%, a rated power of 1/4 W, and a size of 1206. It is RoHS compliant, meaning it is free from hazardous substances. This is a high precision part, with its tight tolerance of ±5%. It is suitable for a range of uses including general purpose, circuits, protection, and decoupling.