The RS3L045GN from ROHM Semiconductor is a MOSFET with Continous Drain Current -4.5 to 4.5 A, Drain Source Resistance 43 to 92 Milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.3 to 2.7 V. Tags: Surface Mount. More details for RS3L045GN can be seen below.