The FQD12N20L from onsemi is a MOSFET with Continous Drain Current 9 A, Drain Source Resistance 220 to 320 milliohm, Drain Source Breakdown Voltage 200 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2 V. Tags: Surface Mount. More details for FQD12N20L can be seen below.