The PJA3449 from PANJIT Semiconductor is a MOSFET with Continous Drain Current -2.2 A, Drain Source Resistance 131 to 230 milliohm, Drain Source Breakdown Voltage -40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.1 to -1 V. Tags: Surface Mount. More details for PJA3449 can be seen below.