The AP12NB3R0TL from Advanced Power Electronics Corp is a MOSFET with Continous Drain Current 130 to 184 A, Drain Source Resistance 3.0 milli-ohm, Drain Source Breakdown Voltage 120 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for AP12NB3R0TL can be seen below.