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| SPICE MODEL: MMBD4448 MMBD4448 SURFACE MOUNT SWITCHING DIODE Features * * * * * * * * * * * * * Fast Switching Speed Surface Mount Package Ideally Suited for Automatic Insertion For General Purpose Switching Applications High Conductance Lead Free/RoHS Compliant (Note 3) B C TOP VIEW SOT-23 Dim A Min 0.37 1.20 2.30 0.89 0.45 1.78 2.80 0.013 0.903 0.45 0.085 0 Max 0.51 1.40 2.50 1.03 0.60 2.05 3.00 0.10 1.10 0.61 0.180 8 A B C D E G K J L M Mechanical Data Case: SOT-23 Case material: Molded Plastic. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020C Terminals: Solderable per MIL-STD-202, Method 208 Lead Free Plating (Matte Tin Finish annealed over Alloy 42 leadframe). Polarity: See Diagram Marking: KA3 (See Page 2) Weight: 0.008 grams (approx.) E D G H H J K L M a 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 C/W C Electrical Characteristics Characteristic Reverse Breakdown Voltage (Note 2) Forward Voltage (Note 2) @ TA = 25C unless otherwise specified 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 V V mA mA mA nA pF ns Test Condition IR = 2.5mA 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. Part mounted on FR-4 board with recommended pad layout, 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. 3. No purposefully added lead. DS12011 Rev. 11 - 2 1 of 3 www.diodes.com MMBD4448 a Diodes Incorporated IF, INSTANTANEOUS FORWARD CURRENT (mA) 1000 IR, INSTANTANEOUS REVERSE CURRENT (nA) 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 500 Pd, POWER DISSIPATION (mW) CT, TOTAL CAPACITANCE (pF) 2.5 400 2 300 1.5 200 1 100 0.5 0 0 10 20 30 40 50 0 0 100 TA, AMBIENT TEMPERATURE (C) Fig. 4, Max Power Dissipation vs Ambient Temperature 200 VR, REVERSE VOLTAGE (V) Fig. 3 Typical Capacitance vs. Reverse Voltage Ordering Information Device (Note 4) Packaging SOT-23 Shipping 3000/Tape & Reel MMBD4448-7-F Notes: 4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Marking Information KA3 Date Code Key Year Code Month Code Jan 1 1999 K Feb 2 2000 L March 3 2001 M Apr 4 KA3 = Product Type Marking Code YM = Date Code Marking Y = Year ex: N = 2002 M = Month ex: 9 = September YM 2002 N May 5 2003 P Jun 6 2004 R Jul 7 2005 S Aug 8 2006 T Sep 9 2007 U Oct O 2008 V Nov N 2009 W Dec D DS12011 Rev. 11 - 2 2 of 3 www.diodes.com MMBD4448 IMPORTANT NOTICE Diodes, Inc. and its subsidiaries reserve the right to make changes without further notice to any product herein to make corrections, modifications, enhancements, improvements, or other changes. Diodes, Inc. 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 Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. LIFE SUPPORT The products located on our website at www.diodes.com are not recommended for use in life support systems where a failure or malfunction of the component may directly threaten life or cause injury without the expressed written approval of Diodes Incorporated. DS12011 Rev. 11 - 2 3 of 3 www.diodes.com MMBD4448 a Diodes Incorporated |
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