The S4602 from ROHM Semiconductor is a MOSFET with Continous Drain Current 81 A, Drain Source Resistance 18 to 36 Milliohm, Drain Source Breakdown Voltage 1200 V, Gate Source Voltage -4 to 21 V, Gate Source Threshold Voltage 2.8 to 4.8 V. Tags: Die. More details for S4602 can be seen below.