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| MCC Features * * * omponents 21201 Itasca Street Chatsworth !"# $ % !"# 1N4448 Low Current Leakage Metalurgically Bonded Construction Low Cost 500mW 100Volt Switching Diode DO-35 * * * Maximum Ratings Operating Temperature: -55C to +150C Storage Temperature: -55C to +150C Maximum Thermal Resistance; 35 C/W Junction To Ambient Electrical Characteristics @ 25C 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 IO PTOT TJ IFSM VF 75V 100V 150mA 500mW 150C Resistive Load f >= 50Hz D A Cathode Mark B D 500mA t<1s C 1.0V(MAX) IFM = 100mA; 0.62-0.72V I FM = 5.0mA VR=20Volts TJ = 25C TJ = 150C VR=75Volts CJ Measured at 1.0MHz, VR=4.0V Trr 4nS IF=10mA VR = 6V RL=100 *Pulse test: Pulse width 300 sec, Duty cycle 2% IR 25nA 50A 5uA 4pF DIMENSIONS INCHES MIN ------1.000 MM MIN ------25.40 DIM A B C D MAX .166 .079 .020 --- MAX 4.2 2.00 .52 --- NOTE www.mccsemi.com 1N4448 Figure 1 Typical Forward Characteristics 200 100 60 40 500 20 MilliAmps 10 6 4 2 25C 1 .6 .4 .2 .1 .4 .6 .8 Volts Instantaneous Forward Current - Amperesversus Instantaneous Forward Voltage - Volts 1.0 1.2 1.4 0 100 400 600 MCC Figure 2 Forward Derating Curve 300 MilliWatts 200 Single Phase, Half Wave 60Hz Resistive or Inductive Load 0 50 75 100 C Admissable Power Dissipation - MilliWattsversus Ambient Temperature - C 125 150 175 Figure 3 Junction Capacitance 10 6 4 2 pF 1 .6 .4 .2 .1 .1 .2 .4 1 Volts 2 4 10 20 40 100 200 400 1000 TJ=25C Junction Capacitance - pFversus Reverse Voltage - Volts www.mccsemi.com 1N4448 Figure 4 Typical Reverse Characteristics 1000 600 400 200 100 60 40 20 10 NanoAmps 6 4 2 1 .6 .4 .2 .1 20 40 60 TJ Instantaneous Reverse Leakage Current - NanoAmperes versus Junction Temperature - C 80 100 120 140 TA=25C TA=100C MilliAmps MCC Figure 5 Peak Forward Surge Current 600 500 400 300 200 100 0 1 4 6 8 10 Cycles Peak Forward Surge Current - Amperesversus Number Of Cycles At 60Hz - Cycles 20 40 60 80 100 2 www.mccsemi.com |
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