GLASS AND METAL HERMETIC SEALED CASE; INPUT DIODE REVERSE DC VOLTAGE 3.0 VOLTS; FORWARD DC CURRENT 50.0 MA; POWER DISSIPATION 75.0 MW; OUTPUT SENSOR COLLECTOR-EMITTER VOLTAGE TRANSISTOR 30.0 V; DARLINGTON 15.0 V; COLLECTOR DC CURRENT 30.0 MA FOR BOTH; POWER DISSIPATION 75.0 MW FOR BOTH; OPERATING TEMPERATURE RANGE FROM MINUS 55.0 DEGREE CELSIUS TO PLUS 100.0 DEGREE CELSIUS; 0.625 IN. LG; 0.250 IN. W; 0.250 IN. H