"TWO CHANNEL NPN SILICON PLANAR PHOTOTRANSISTOR OPTICALLY COUPLED TO A GALLIUM ARSENIDE DIODE; TWO PACKAGES FIT INTO 16 LEAD DUAL-IN-LINE SOCKET; OPERATING TEMP RANGE MINUS 55 TO 100 DEG C; INPUT DIODE FORWARD CURRENT 60 MA,REVERSE VOLTAGE 3.0 V; 0.410 IN. MAX LG; 0.270 IN. MAX BODY W; 0.175 IN. MAX BODY H; WIRE LEAD TERMINALS"