The DN1509 from Microchip Technology is a MOSFET with Continous Drain Current 0.2 to 0.36 A, Drain Source Resistance 3200 to 6000 milliohm, Drain Source Breakdown Voltage 90 V, Gate Source Voltage -20 to 20 V, Power Dissipation 0.49 to 1.6 W. Tags: Surface Mount. More details for DN1509 can be seen below.