The PJT7872B from PANJIT Semiconductor is a MOSFET with Continous Drain Current 0.25 A, Drain Source Resistance 1300 to 4000 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for PJT7872B can be seen below.