The VN0550 from Microchip Technology is a MOSFET with Continous Drain Current 0.05 A, Drain Source Resistance 40000 to 60000 milliohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for VN0550 can be seen below.