The P9B30HP2F from Shindengen America is a MOSFET with Continous Drain Current 9 A, Drain Source Resistance 440 to 550 milliohm, Drain Source Breakdown Voltage 300 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4.5 V. Tags: Surface Mount. More details for P9B30HP2F can be seen below.