N-channel enhancement mode small signal transistor for industrial and consumer applications in SOT-23-3 package The 600 V N-channel MOSFET in SOT-23-3 package features RDS(on),max 500 Ohm. With an optimal price/performance ratio and small footprint packages, our small signal and small power MOSFETs are the best fit for a wide range of applications and circuits. These include low voltage drives, linear battery charger, battery protection, load switches, DC-DC converters, reverse polarity protection and many more.