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| MMBD4448 SURFACE MOUNT SWITCHING DIODE Features * * * * Fast Switching Speed Surface Mount Package Ideally Suited for Automatic Insertion For General Purpose Switching Applications High Conductance SOT-23 Dim A Min 0.37 1.19 2.10 0.89 0.45 1.78 2.65 0.013 0.89 0.45 0.076 Max 0.51 1.40 2.50 1.05 0.61 2.05 3.05 0.15 1.10 0.61 0.178 A B B C C D E G H J K L Mechanical Data * * * * * Case: SOT-23, Molded Plastic Terminals: Solderable per MIL-STD-202, Method 208 Polarity: See Diagram Marking: KA3 Weight: 0.008 grams (approx.) E TOP VIEW D G H K J M L M All Dimensions in mm Maximum Ratings @ TA = 25C unless otherwise specified Characteristic Non-Repetitive Peak Reverse Voltage Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Forward Continuous Current (Note 1) Average Rectified Output Current (Note 1) Non-Repetitive Peak Forward Surge Current @ t = 1.0ms @ t = 1.0s Power Dissipation (Note 1) Thermal Resistance Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Symbol VRM VRRM VRWM VR VR(RMS) IFM IO IFSM Pd RqJA Tj , TSTG MMBD4448 100 75 53 500 250 4.0 2.0 350 357 -65 to +150 Unit V V V mA mA A mW K/W C Electrical Characteristics Characteristic Maximum Forward Voltage @ TA = 25C unless otherwise specified Symbol VFM Min 0.62 3/4 3/4 3/4 3/4 3/4 3/4 Max 0.72 0.855 1.0 1.25 2.5 50 30 25 4.0 4.0 Unit Test Condition IF = 5.0mA IF = 10mA IF = 100mA IF = 150mA VR = 75V VR = 75V, Tj = 150C VR = 25V, Tj = 150C VR = 20V VR = 0, f = 1.0MHz IF = IR = 10mA, Irr = 0.1 x IR, RL = 100W V mA mA mA nA pF ns Maximum Peak Reverse Current Junction Capacitance Reverse Recovery Time IRM Cj trr Notes: 1. Valid provided that terminals are kept at ambient temperature. DS12011 Rev. H-2 1 of 2 MMBD4448 IF, INSTANTANEOUS FORWARD CURRENT (mA) 1000 10,000 IR, LEAKAGE CURRENT (nA) 100 1000 10 100 1.0 10 0.1 VR = 20V 0.01 0 1 2 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Forward Characteristics 1 0 100 200 Tj, JUNCTION TEMPERATURE (C) Fig. 2 Leakage Current vs Junction Temperature DS12011 Rev. H-2 2 of 2 MMBD4448 |
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