The GBLNAA04-S8 from GALAXY CENTURY MICROELECTRONICS is a MOSFET with Continous Drain Current 3 to 4.8 A, Drain Source Resistance 85 to 110 milli-ohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage ±20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for GBLNAA04-S8 can be seen below.