The BAT54SWFILM is an N-channel, small signal, Standard level, MOSFET manufactured by STMicroelectronics. It is suitable for switching and linear applications. This MOSFET offers very low on-state resistance (RDS(on)) with low gate charge and good switching characteristics. It can be used in a variety of applications such as battery powered systems, power management, and low voltagedc/dc converters. The maximum drain current and power dissipation ratings of the BAT54SWFILM are 225mA and 260mW, respectively.