The PJQ1900 from PANJIT Semiconductor is a MOSFET with Continous Drain Current 1.2 A, Drain Source Resistance 300 to 3000 milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -10 to 10 V, Gate Source Threshold Voltage 0.3 to 0.9 V. Tags: Surface Mount. More details for PJQ1900 can be seen below.