The GBLH4403-5DL8 from GALAXY CENTURY MICROELECTRONICS is a MOSFET with Continous Drain Current -25 to 40 A, Drain Source Resistance 13 to 50 milli-ohm, Drain Source Breakdown Voltage -40 to 40 V, Gate Source Voltage ±20 V, Gate Source Threshold Voltage -2.5 to 2.5 V. Tags: Surface Mount. More details for GBLH4403-5DL8 can be seen below.