The ACS37012LLZATR-030B3 from Allegro MicroSystems is a Current Transducer with Output Voltage -0.5 to 6.5 V, Supply Voltage 3.3 V, Sensitivity 44 mV/A, Temperature Operating Range -40 to 150 Degree C, Input Current 14 to 20 mA. Tags: Surface Mount, DC Current Transducer. More details for ACS37012LLZATR-030B3 can be seen below.