The Vishay SI4888DY-T1-E3 is a monolithic, high-speed, NPN silicon transistor designed for use as an amplifier, level shifter, or switch. It has a maximum collector-emitter voltage (VCEO) of 40V, collector-base voltage (VCBO) of 45V, and an emitter-base voltage (VEBO) of 6V. This device has a maximum collector current (IC) of 800 mA and maximum power dissipation (PD) of 1.5 W. It also has a high gain (hFE) at 200 minimum, a high frequency range of 300 MHz minimum, and a maximum operating temperature of 150°C.