Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 Features • • • • DL4148 500mW High Speed Switching Diode 100 Volt Low Current Leakage Compression Bond Construction Low Cost Surface Mount Applications Maximum Ratings • • • Operating Temperature: -65℃ to +175℃ Storage Temperature: -65℃ to +175℃ Maximum Thermal Resistance: 500K/W Junction To Ambient Tested on PC Board 50mm × 50mm × 1.6mm MiniMELF Cathode Ma Electrical Characteristics @ 25℃ Unless Otherwise Specified Reverse Voltage VR 75V Breakdown Voltage VBR 100V Average Forward Current IO 150mA Power Dissipation PTOT 500mW TJ 175°C IFSM 2.0A Junction Temperature Peak Forward Surge Current C IR =100μA B A DIMENSIONS tp = 1.0μs Maximum Instantaneous Forward Voltage VF 1.0V Maximum DC Reverse Current At Rated DC Blocking Voltage IR 25nA 5.0μA 50µA VR=20V; TJ = 25℃ VR=75V; TJ = 25℃ VR=20V; TJ =150℃ Maximum Junction Capacitance CJ 4.0pF Measured at 1.0MHz, VR=0V Maximum Reverse Recovery Time Trr 4.0ns IF=10mA; VR = 6V RL=100Ω IFM = 10mA DIM A B C INCHES MIN .134 .008 .055 MAX .142 .016 .059 MM MIN 3.40 .20 1.40 MAX 3.60 .40 1.50 SUGGESTED SOLDER PAD LAYOUT .165 .075 *Pulse test: Pulse width 300 µsec, Duty cycle 2% .030 www.cnelectr.com NOTE ∅ DL4148 Figure 1 Typical Forward Characteristics 20 Figure 2 Forward Derating Curve 10 600 6 4 500 2 400 MilliAmps 1 .6 300 MilliWatts .4 200 .2 25°C 100 .1 .06 0 .04 Single Phase, Half Wave 60Hz Resistive or Inductive Load 0 50 75 100 125 150 175 °C .02 .01 .6 .4 .8 1.0 1.2 Admissable Power Dissipation - MilliWatts versus Ambient Temperature - °C 1.4 Volts Instantaneous Forward Current - MilliAmperes versus 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 - pF versus Reverse Voltage - Volts www.cnelectr.com 400 1000 DL4148 Figure 4 Typical Reverse Characteristics Figure 5 Peak Forward Surge Current 1000 2400 600 400 2000 200 1600 100 1200 60 MilliAmps 40 800 400 20 TA=25°C 0 10 NanoAmp 6 s 1 2 4 6 8 10 40 60 80 100 Cycles 4 Peak Forward Surge Current - Amperes versus Number Of Cycles At 60Hz - Cycles 2 1 .6 .4 .2 .1 20 2 0 4 0 60 80 100 120 140 TJ Instantaneous Reverse Leakage Current - NanoAmperes versus Junction Temperature - °C www.cnelectr.com