The PJQ1901 from PANJIT Semiconductor is a MOSFET with Continous Drain Current -0.75 A, Drain Source Resistance 850 to 6000 milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -10 to 10 V, Gate Source Threshold Voltage -1 to -0.3 V. Tags: Surface Mount. More details for PJQ1901 can be seen below.