The DN3545 from Microchip Technology is a MOSFET with Continous Drain Current 0.136 to 0.2 A, Drain Source Resistance 20000 milliohm, Drain Source Breakdown Voltage 450 V, Gate Source Voltage -20 to 20 V, Power Dissipation 0.74 to 1.6 W. Tags: Surface Mount, Through Hole. More details for DN3545 can be seen below.