PC814 Series Fig. 1 Forward Current vs. Ambient Temperature Fig. 2 Collector Power Dissipation vs. Ambient Temperature 60 Collector power dissipation PC ( mW ) 200 Forward current IF ( mA ) 50 40 30 20 150 100 50 10 0 -30 0 25 50 75 100 0 -30 125 0 Ambient temperature T a ( ˚C ) Fig. 3 Peak Forward Current vs. Duty Ratio 10 000 T a = 25˚C 100 125 FM 1 000 500 200 100 50 -25˚C 0˚C 25˚C T a = 75˚C 50˚C 200 Forward current IF ( mA ) ( mA ) 75 500 2 000 Peak forward current I 50 Fig. 4 Forward Current vs. Forward Voltage Pulse width