The GBLN3303-5DL8 from GALAXY CENTURY MICROELECTRONICS is a MOSFET with Continous Drain Current 4 to 20 A, Drain Source Resistance 18 to 45 milli-ohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage ±20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for GBLN3303-5DL8 can be seen below.