The 2SJ168 (TE85L,F) part is a P-channel MOSFET made by the Japanese electronics company, Toshiba. It is a low-voltage field effect transistor, which is ideal for a variety of high-performance, low-noise switching applications. The unique features and characteristics of this part make it well-suited for use in electronic devices such as audio and video amplifiers, digital power supplies, and motor drivers. Its low-on resistance, high-current rating, and excellent thermal resistance make it an excellent choice for designers when looking for reliable power solutions.