The GCMX020B120S1-E1 from SemiQ is a MOSFET with Continous Drain Current 113 A, Drain Source Resistance 18 milli-ohm, Drain Source Breakdown Voltage 1200 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 2.8 V. Tags: Module. More details for GCMX020B120S1-E1 can be seen below.