2N1990 Datasheet (Motorola) - NPN silicon transistor

2N1990, NPN silicon transistor

1990 2N (SILICON) Collector connected to case NPN silicon transistor designed for driving neon display tubes.

MAXIMUM RATINGS Rating Collector-Base Voltage Emitter-Base Voltage Collector Current-Continuous Total Device Dissipation TA = 25°C Derate above 25° C Total Device Dissipation TC = 2.5° C @TC =100°C Operating & Storage Junction Temperature Range THERMAL CHARACTERISTICS Characteristic Thermal Resistance, Junction to Case Thermal Resistallce, Junction to Ambient Symbol Value Unit VCS