C3679 Overview
.. 2SC3679 Application : Switching Regulator and General Purpose (Ta=25°C) 2SC3679 100max 100max 800min 10 to 30 0.5max 1.2max 6typ 75typ V MHz pF 5.45±0.1 B C E 20.0min 4.0max Silicon NPN Triple Diffused Planar Transistor (High Voltage Switching Transistor).