Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 MMBD4148 Features • • • Low Current Leakage Low Cost Small Outline Surface Mount Package 350mW 100 Volt Silicon Epitaxial Diode C Pin Configuration Top View KA2 SOT-23 A A D Maximum Ratings • • • C Operating Temperature: -55°C to +150°C Storage Temperature: -55°C to +150°C Maximum Thermal Resistance; 357K/W Junction To Ambient F B E Electrical Characteristics @ 25°C Unless Otherwise Specified Reverse Voltage Peak Reverse Voltage Average Rectified Current Power Dissipation Junction Temperature Peak Forward Surge Current Maximum 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 350mW 150°C Resistive Load f > 50Hz IFSM 1A t=1s,Non-Repetitive VF .855V IFM = 10mA; TJ = 25°C* IR 25nA CJ 2pF H G DIMENSIONS DIM A B C D E F G H J K INCHES MIN .110 .083 .047 .035 .070 .018 .0005 .035 .003 .015 MAX .120 .098 .055 .041 .081 .024 .0039 .044 .007 .020 MM MIN 2.80 2.10 1.20 .89 1.78 .45 .013 .89 .085 .37 MAX 3.04 2.64 1.40 1.03 2.05 .60 .100 1.12 .180 .51 NOTE Suggested Solder Pad Layout TJ = 25°C VR = 20 V Measured at 1.0MHz, VR=0V Trr 4nS IF=10mA VR = 6V RL=100Ω *Pulse test: Pulse width 300 µsec, Duty cycle 2% J .031 .800 .035 .900 .079 2.000 .037 .950 .037 .950 www.cnelectr.com inches mm MMBD4148 Figure 1 Typical Forward Characteristics 20 Figure 2 Forward Derating Curve 10 420 6 4 350 2 280 MilliAmps 1 .6 210 MilliWatts .4 140 .2 25°C 70 .1 Single Phase, Half Wave 60Hz Resistive or Inductive Load .06 0 .04 0 50 75 100 125 150 175 °C .02 .01 .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 MMBD4148 Figure 4 Typical Reverse Characteristics Figure 5 Peak Forward Surge Current 1200 1000 600 400 1000 200 800 100 600 60 MilliAmps 40 400 TA=25°C 200 20 0 10 NanoAmps 6 1 2 4 6 20 40 60 80 100 Cycles 4 Peak Forward Surge Current - Amperesversus Number Of Cycles At 60Hz - Cycles 2 1 .6 .4 .2 .1 8 10 20 40 60 80 100 120 140 TJ Instantaneous Reverse Leakage Current - NanoAmperes versus Junction Temperature - °C www.cnelectr.com