The TJ20S04M3L from Toshiba is a MOSFET with Continous Drain Current -20 A, Drain Source Resistance 17 to 32 Milliohm, Drain Source Breakdown Voltage -40 V, Gate Source Voltage -20 to 10 V, Gate Source Threshold Voltage -3 to -2 V. Tags: Surface Mount. More details for TJ20S04M3L can be seen below.