N-channel depletion mode small signal transistor for industrial and consumer applications in SOT-23-3 package The N-channel depletion mode MOSFET in SOT-23 package features VDS 250 V and RDS(on),max of 30 Ohm. With an optimal price/performance ratio and small footprint 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.