GALLIUM ARSENIDE DIODE LIGHT SOURCE OPTICALLY COUPLED TO A SILICON NPN TRANSISTOR; HERMETICALLY SEALED METAL CAN CASE; 0.155 IN. MIN TO 0.185 IN. MAX LG; 0.335 IN. MIN TO 0.370 IN. MAX DIA; 6 LEADS 0.500 IN. MIN LG; 35.0 VCBO; 35.0 VCEO; 4.0 VEBO; 2.0 INPUT DIODE REVERSE VOLTAGE; 300.0 MW CONTINUOUS TRANSISTOR POWER DISSIPATION