ElecMS122WF300NT4E is a low resistance and current sense resistor, surface mounted on a 2512 size RoHS compliant package, with a resistance of 0.003ohms ±1%. The resistor is made with a 3W power rating and is manufactured by Uniroyal Electronics. It is suitable for a variety of applications, such as current sensing in power supplies, as well as in some automotive and industrial settings. It can be used to measure, limit, or monitor the current in a circuit. It features good temperature performance, excellent aging characteristics, low noise, and good overload protecting performance.