The PRM4R2N08CTB from PFC Device is a MOSFET with Continous Drain Current 103 to 164 A, Drain Source Resistance 4.2 to 9.5 milli-ohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -12 to 20 V, Gate Source Threshold Voltage 1.0 to 2.5 V. Tags: Surface Mount. More details for PRM4R2N08CTB can be seen below.