The HLSR 20-SM/SP33 from LEM is a Current Transducer with DC Input Current -50 to 50 A, Output Current 0.019 to 0.025 A, Output Voltage -1.15 to 1.15 V, Supply Voltage 3.3 to 3.465 V, Accuracy 0.01. Tags: PCB Mount, AC Current Transducer, DC Current Transducer. More details for HLSR 20-SM/SP33 can be seen below.