The DI040P04D1-AQ from Diotec Semiconductor is a MOSFET with Continous Drain Current -40 A, Drain Source Resistance 11.5 to 20 milliohm, Drain Source Breakdown Voltage -40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.5 to -1 V. Tags: Surface Mount. More details for DI040P04D1-AQ can be seen below.