Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 DL4454 Features l l l l l Silicon Switching Diode 500 mW 75 Volt Fast Switching Speed Low Current Leakage Low Cost Compression Bond Construction Surface Mount Application Maximum Ratings l Operation & Storage Temperature: -55oC to +150oC l Maximum Thermal Resistance: 400K/W Junction to Ambient Electrical Characteristics @ 25oC Unless Otherwise Specified Reverse Volt. VR 50V Peak Reverse Volt. V RM 75V Average Rectified Current IO Power Dissipation P TOT 500mW Junction Temperature TJ 175 o C Peak Forward Surge Current I FSM Maximum Instantaneous Forward Volt. VF C 0.1uA Typical Junction Capacitance CJ B A 500mA 8.3ms, half sine I FM=10mA; 1.0V T J=25 o C IR T rr Cathode Mark Resistive Load 150mA f>50Hz Maximum DC Reverse Current At Rated DC Blocking Volt. Reverse Recovery Time MINIMELF DIMENSION DIM V R=50V INCHES MM NOTE MIN MAX MIN MAX T J=25 o C A B .134 .008 .142 .016 3.40 0.20 3.60 0.40 2pF Measured at 1.0MHz, V R=4.0V C .055 .059 1.40 1.50 4nS I F=10mA V R=6V I R=1mA RL =100OHMS SUGGESTED SOLDER PAD LAYOUT 0.105 Pulse test: Pulse width 300 usec, Duty cycle 2%. 0.075” 0.030” www.cnelectr.com DL4454 Figure 1 Typical Forward Characteristics 200 Figure 2 Forward Derating Curve 100 600 60 40 500 20 400 MilliAmps 10 6 300 MilliWatts 4 200 2 25°C 100 1 .6 0 .4 Single Phase, Half Wave 60Hz Resistive or Inductive Load 0 50 75 100 125 150 175 °C .2 .1 .4 .6 .8 1.0 1.2 Admissable Power Dissipation - MilliWattsversus Ambient Temperature - °C 1.4 Volts Instantaneous Forward Current - Amperesversus Instantaneous Forward Voltage - Volts Figure 3 Junction Capacitance 10 6 4 2 pF TJ=25°C 1 .6 .4 .2 .1 .1 .2 .4 1 Volts 2 4 10 20 40 100 200 Junction Capacitance - pFversus Reverse Voltage - Volts www.cnelectr.com 400 1000 DL4454 Figure 4 Typical Reverse Characteristics Figure 5 Peak Forward Surge Current 1000 600 600 400 500 200 400 100 300 60 MilliAmps 40 200 100 20 0 10 NanoAmps 6 1 2 4 8 10 20 40 60 80 100 Cycles 4 Peak Forward Surge Current - Amperesversus Number Of Cycles At 60Hz - Cycles 2 1 TA=25°C .6 TA=100°C .4 .2 .1 6 20 40 60 80 100 120 140 TJ Instantaneous Reverse Leakage Current - NanoAmperesversus Junction Temperature - °C www.cnelectr.com