Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 DL4448 Features • • • Low Current Leakage Metalurgically Bonded Construction Low Cost 500mW 100Volt Switching Diode Maximum Ratings • • • MINIMELF Operating Temperature: -55°C to +150°C Storage Temperature: -55°C to +150°C Maximum Thermal Resistance; 35 °C/W Junction To Ambient Cathode Mark Electrical Characteristics @ 25°C Unless Otherwise Specified Reverse Voltage Peak Reverse Voltage Average Rectified Current Power Dissipation Junction Temperature Peak Forward Surge Current Instantaneous Forward Voltage Maximum DC Reverse Current At Rated DC Blocking Voltage Typical Junction Capacitance Reverse Recovery Time VR VRM 75V 100V IO 150mA PTOT TJ 500mW 150°C IFSM 500mA C B VF IR CJ Resistive Load f > 50Hz A t<1s DIMENSIONS 1.0V(MAX) IFM = 100mA; 0.62-0.72V I FM = 5.0mA 25nA 5.0uA 50µA VR=20Volts TJ=25°C VR=75V TJ=150°C VR=20V DIM A B C INCHES MIN .134 .008 .055 MM MIN 3.40 .20 1.40 MAX .142 .016 .059 MAX 3.60 .40 1.50 SUGGESTED SOLDER PAD LAYOUT Measured at 1.0MHz, VR=4.0V Trr 4nS IF=10mA VR = 6V RL=100Ω *Pulse test: Pulse width 300 µsec, Duty cycle 2% 0.105 4pF 0.075” 0.030” www.cnelectr .com NOTE ∅ DL4448 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 Single Phase, Half Wave 60Hz Resistive or Inductive Load .6 0 .4 0 50 75 100 125 150 175 °C .2 Average Forward Rectified Current - Amperes/ersus .1 .4 .6 .8 1.0 1.2 Ambient Temperature -oC 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 DL4448 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 - NanoAmperes versus Junction Temperature - °C www.cnelectr.com