BUY SST211 https://www.utsource.net/itm/p/894954.html
HIGH SPEED DMOS FET ANALOG SWITCHES AND SWITCH ARRAYS
The SST211 is a NPN Bipolar Transistor manufactured by Temic. It is a surface mount device in a SOT-143 package. Description: The SST211 is a NPN Bipolar Transistor designed for general purpose switching and amplification applications. It has a maximum collector current of 1A and a maximum collector-emitter voltage of 30V. Features: Low saturation voltage High current gain Low noise High frequency operation High reliability Applications: The SST211 can be used in a variety of applications, including: Audio amplifiers Motor control Switching circuits Power supplies Automotive electronics (For reference only)