Siglent> Operating Tips> Digital Oscilloscopes> SDS6000A Series> SAG1021/SAG1021I output current limit SAG1021/SAG1021I output current limit April 6, 2021 Download PDF 30 mA is the theoretical maximum for SAG1021/SAG1021I. I = V/R = 1.5V(max) / 50 Ohm = 30 mA