The GBLN4401-5DL8 from GALAXY CENTURY MICROELECTRONICS is a MOSFET with Continous Drain Current 9 to 48 A, Drain Source Resistance 6.8 to 12.5 milli-ohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage ±20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for GBLN4401-5DL8 can be seen below.