The PRM4R2N10CTB from PFC Device is a MOSFET with Continous Drain Current 110 to 185 A, Drain Source Resistance 3.6 to 6.0 milli-ohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -12 to 20 V, Gate Source Threshold Voltage 1.2 to 2.5 V. Tags: Surface Mount. More details for PRM4R2N10CTB can be seen below.