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| MMBD4448W SURFACE MOUNT FAST SWITCHING DIODE Features * * * * Fast Switching Speed Ultra-Small Surface Mount Package For General Purpose Switching Applications High Conductance B G H K M A C BC SOT-323 Dim A B E Min 0.25 1.15 2.00 0.30 1.20 1.80 0.0 0.90 0.25 0.10 0 Max 0.40 1.35 2.20 0.40 1.40 2.20 0.10 1.00 0.40 0.18 8 Mechanical Data * * * * * * * Case: SOT-323, Molded Plastic Case Material - UL Flammability Rating Classification 94V-0 Moisture sensitivity: Level 1 per J-STD-020A Terminals: Solderable per MIL-STD-202, Method 208 Polarity: See Diagram Marking: KA3 (See Page 3) Weight: 0.006 grams (approx.) C D E G H J K L M a 0.65 Nominal J D F L TOP VIEW 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 Value 100 75 53 500 250 4.0 2.0 200 625 -65 to +150 Unit V V V mA mA A mW C/W C Electrical Characteristics @ TA = 25C unless otherwise specified Characteristic Reverse Breakdown Voltage (Note 2) Forward Voltage (Note 2) Symbol V(BR)R VF Min 75 0.62 3/4 3/4 3/4 3/4 3/4 3/4 Max 3/4 0.72 0.855 1.0 1.25 2.5 50 30 25 4.0 4.0 Unit 3/4 V mA mA mA nA pF ns Test Condition IR = 10mA 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 Reverse Current (Note 2) Total Capacitance Reverse Recovery Time Notes: IR CT trr 1. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 2. Short duration test pulse used to minimize self-heating effect. DS30095 Rev. 5 - 2 1 of 3 www.diodes.com MMBD4448W IF, INSTANTANEOUS FORWARD CURRENT (mA) IR, INSTANTANEOUS REVERSE CURRENT (nA) 1000 10000 TA = 125C 1000 100 TA = 75C 100 10 TA = -40C TA = 0C 10 TA = 25C 1 TA = 25C TA = 75C TA = 125C 1 TA = 0C TA = -40C 0.1 0 0.4 0.8 1.2 1.6 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Typical Forward Characteristics 3 f = 1MHz 0.1 0 20 40 60 80 100 VR, REVERSE VOLTAGE (V) Fig. 2 Typical Reverse Characteristics 250 CT, TOTAL CAPACITANCE (pF) 2.5 2 Pd, POWER DISSIPATION (mW) 0 10 20 30 40 50 200 150 1.5 100 1 0.5 50 0 0 0 100 TA, AMBIENT TEMPERATURE (C) Fig. 4 Power Derating Curve, Total Package 200 VR, REVERSE VOLTAGE (V) Fig. 3 Typical Capacitance vs. Reverse Voltage DS30095 Rev. 5 - 2 2 of 3 www.diodes.com MMBD4448W Ordering Information Device MMBD4448W-7 Notes: (Note 3) Packaging SOT-323 Shipping 3000/Tape & Reel 3. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Marking Information KA3 KA3 = Product Type Marking Code YM = Date Code Marking Y = Year ex: N = 2002 M = Month ex: 9 = September Date Code Key Year Code Month Code Jan 1 2002 N Feb 2 2003 P March 3 Apr 4 2004 R May 5 2005 S Jun 6 2006 T Jul 7 Aug 8 2007 U Sep 9 2008 V Oct O Nov N 2009 W Dec D DS30095 Rev. 5 - 2 YM 3 of 3 www.diodes.com MMBD4448W |
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