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| MCC Micro Commercial Components TM omponents 20736 Marilla Street Chatsworth !"# $ % !"# MMBD4448WT Features l l l l Fast Switching Speed Surface Mount Package Ideally Suited for Automatic Insertion For General Purpose Switching Applications High Conductance Surface Mount Switching Diode 200mW SOT-323 A D Mechanical Data l Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 l Polarity: See Diagram l Marking: KA3 B C Maximum Ratings @ 25oC Unless Otherwise Specified Characteristic Non-Repetitive Peak Reverse Volt. Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Forward Continuous Current(Note1) Average Rectified Output Current Non-Repetitive Peak @ t<=1.0s Forward Surge Current @ t=1.0us Power Dissipation(Note 1) Thermal Resistance(Note 1) Operation/Storage Temp. Range Pd R Tj, TSTG Symbol VRM VRRM VRWM VR VR(RMS) IFM Io IFSM 53 500 250 2 4 200 357 -55 to +150 V mA mA A A mW K/W o F E Value 100 75 Unit V V G H J K DIMENSIONS INCHES MIN MAX .071 .087 .045 .053 .079 .087 .026 Nominal .047 .055 .012 .016 .000 .004 .035 .039 .004 .010 .012 .016 MM MIN MAX 1.80 2.20 1.15 1.35 2.00 2.20 0.65Nominal 1.20 1.40 .30 .40 .000 .100 .90 1.00 .100 .250 .30 .40 DIM A B C D E F G H J K NOTE C Electrical Characteristics @ 25oC Unless Otherwise Specified Charateristic Maximum Forward Voltage Drop Symbol VFM Min 0.62 ----Max 0.72 0.855 1 1.25 2.5 Maximum Peak Reverse Current Junction Capacitance Reverse Recovery Time Cj trr --------IRM ----50 30 25 4 4 uA uA uA nA pF ns V Unit Test Cond. IF =5.0mA IF=10mA IF=100mA IF=150mA VR=75V VR=75V Tj=150 C VR=25V Tj=150 C VR=20V VR=0V, f=1.0MHz o o Suggested Solder Pad Layout 0.70 0.90 1.90 0.65 0.65 Note: 1. Valid provided that terminals are kept at ambient temperature 2. Trr Test Condition: IF=IR=10mA, Irr=0.1*IR, R=100 OHM Revision: 3 www.mccsemi.com 1 of 4 2006/05/13 MMBD4448WT Figure 1 Typical Forward Characteristics MCC Micro Commercial Components Figure 2 Forward Derating Curve 300 250 TM 1000 , INSTANTANEOUS FORWARD CURRENT (mA) 100 200 10 TA = -40C TA = 0C 150 MilliWatts 100 1 TA = 25C 50 TA = 75C TA = 125C Single Phase, Half Wave 60Hz Resistive or Inductive Load 0 0 50 75 100 C Admissable Power Dissipation - MilliWattsversus Ambient Temperature - C 125 150 175 FI 0.1 0 0.4 0.8 1.2 1.6 V F , INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Typical Forward Characteristics 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 Revision: 3 2 of 4 2006/05/13 MMBD4448WT 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 Amps 2.4 2.0 1.6 1.2 0.8 0.4 0 1 4 6 MCC Micro Commercial Components Figure 5 Peak Forward Surge Current TM 2 8 10 Cycles 20 40 60 80 100 Peak Forward Surge Current - Amperesversus Number Of Cycles At 60Hz - Cycles www.mccsemi.com Revision: 3 3 of 4 2006/05/13 MCC Micro Commercial Components TM ***IMPORTANT NOTICE*** Micro Commercial Components Corp . reserves the right to make changes without further notice to any product herein to make corrections, modifications , enhancements , improvements , or other changes . Micro Commercial Components Corp . does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights ,nor the rights of others . The user of products in such applications shall assume all risks of such use and will agree to hold Micro Commercial Components Corp . and all the companies whose products are represented on our website, harmless against all damages. ***APPLICATIONS DISCLAIMER*** Products offer by Micro Commercial Components Corp . are not intended for use in Medical, Aerospace or Military Applications. www.mccsemi.com Revision: 3 4 of 4 2006/05/13 |
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