ST 2SC828 / 828A NPN Silicon Epitaxial Planar Transistor for switching and AF amplifier applications. These transistors are subdivided into three groups Q, R and S according to their DC current gain. On special request, these transistors can be manufactured in different pin configurations. TO-92 Plastic Package Weight approx. 0.19g Absolute Maximum Ratings (T a = 25oC) Collector Base Voltage Collector Emitter Voltage Emitter Base Voltage Peak Collector Current Collector Current Power Dissipati.