The MOF3WS-1K5 part of SR Passives is a 1k ohm metal oxide film resistor. The part number consists of two parts. The first part, MOF3WS, stands for the type of resistor, which is a metal oxide film resistor. The second part, 1K5, indicates the resistance value, which is 1k ohm. This resistor is best suited for applications that require high accuracy and stability. It operates in a temperature range from -55°C to +155°C and has a power rating of 0.25W. The resistor has a tolerance of ± 5%. This resistor is available in different package sizes, such as 0201, 0402 and 0603.