The P1R5B40HP2 from Shindengen America is a MOSFET with Continous Drain Current 1.5 A, Drain Source Resistance 4200 to 5000 milliohm, Drain Source Breakdown Voltage 400 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 4.5 V. Tags: Surface Mount. More details for P1R5B40HP2 can be seen below.