The FQD3P50TM-AM002BLT from onsemi is a MOSFET with Continous Drain Current -2.1 A, Drain Source Resistance 3900 to 4900 milli-ohm, Drain Source Breakdown Voltage -500 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage -5 to -3 V. Tags: Surface Mount. More details for FQD3P50TM-AM002BLT can be seen below.