The S4604 from ROHM Semiconductor is a MOSFET with Continous Drain Current 26 A, Drain Source Resistance 62 to 124 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 S4604 can be seen below.