The NSM2011-20B5R-DSWR from NOVOSENSE Microelectronics is a Current Transducer with AC Input Current -20 to 20 A, Supply Voltage 3 to 5.5 V, Sensitivity 100 mV/A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount, AC Current Transducer. More details for NSM2011-20B5R-DSWR can be seen below.