The R6020JNJ from ROHM Semiconductor is a MOSFET with Continous Drain Current -20 to 20 A, Drain Source Resistance 180 to 234 Milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 5 to 7 V. Tags: Surface Mount. More details for R6020JNJ can be seen below.