The PJA3415A from PANJIT Semiconductor is a MOSFET with Continous Drain Current -4.5 A, Drain Source Resistance 38 to 88 milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -1.3 to -0.5 V. Tags: Surface Mount. More details for PJA3415A can be seen below.