haThe BCX55-16 is a NPN transistor housed in a SOT-89 package, manufactured by Shikuesha. It has a RoHS certificate, which confirms its compliance with the European Union's Restriction of Hazardous Substances directive, limiting exposure to hazardous materials. This transistor is widely used in automotive, industrial control, and audio amplifier applications. Its features include a collector-emitter voltage (BVCEO) of 40 volts, a current gain of 100, a maximum collector current of 800 milliamps, and a maximum power dissipation of 500 milliwatts. It also has an operating temperature range of -55°C to 150°C.