The ERJ-3EKF4122V is a thick film resistor manufactured by Panasonic. It is an 0603 form factor device, measuring just 1.6mm x 0.8mm in size. The resistor has a value of 41.2K ohms with a 1% tolerance and is suitable for use in a wide range of applications, including current sensing, voltage dividing, and timing. Its thick-film technology ensures high reliability and stability in fluctuating temperatures and environmental conditions. Additionally, the small size of this resistor allows it to be used in confined spaces, making it perfect for medical, consumer, telecommunications, and automotive applications.