The RT1206FRD073K9L is a high precision, low TCR SMD resistor with 3.9KOhms ±1% tolerance and 1/4W power rating. It is manufactured by Yageo and is lead (Pb)-free and RoHS-compliant, which makes it suitable for use in many modern electronic applications. It is a surface mount device (SMD) with a size of 1206. This type of resistor helps to reduce noise and also offers improved dimensional stability when exposed to a high temperature environment. Its high precision level makes this product a great choice for a wide range of applications, such as circuit protection, signal buffering and more.