The AP10P500N from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current -0.95 to -1.2 A, Drain Source Resistance 0.5 to 0.6 ohm, Drain Source Breakdown Voltage -100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1 to -3 V. Tags: Surface Mount. More details for AP10P500N can be seen below.