MMBD4448W SURFACE MOUNT FAST SWITCHING DIODE Please click here to visit our online spice models database. Features • • • • • Mechanical Data • • Fast Switching Speed Ultra-Small Surface Mount Package For General Purpose Switching Applications High Conductance Lead, Halogen and Antimony Free, RoHS Compliant "Green" Device (Notes 3, 4 and 5) Case: SOT-323 Case Material: Molded Plastic, "Green" Molding Compound, Note 5. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020D Terminals: Solderable per MIL-STD-202, Method 208 Lead Free Plating (Matte Tin Finish annealed over Alloy 42 leadframe). Polarity: See Diagram Marking Information: See Page 2 Ordering Information: See Page 2 Weight: 0.006 grams (approximate) • • • • • • • SOT-323 TOP VIEW Internal Schematic TOP VIEW Maximum Ratings @TA = 25°C unless otherwise specified Characteristic Non-Repetitive Peak Reverse Voltage Symbol VRM VRRM VRWM VR VR(RMS) IFM IO 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 = 1.0μs @ t = 1.0s Value 100 Unit V 75 V V mA mA IFSM 53 500 250 4.0 2.0 Symbol PD RθJA TJ, TSTG Value 200 625 -65 to +150 Unit mW °C/W °C A Thermal Characteristics Characteristic Power Dissipation (Note 1) Thermal Resistance Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Electrical Characteristics Characteristic Reverse Breakdown Voltage (Note 2) @TA = 25°C unless otherwise specified Symbol V(BR)R Min 75 0.62 ⎯ ⎯ ⎯ Max ⎯ Unit V 0.72 0.855 1.0 1.25 V Forward Voltage VF Reverse Current (Note 2) IR ⎯ 1.0 50 30 25 Total Capacitance CT ⎯ 2.0 μA μA μA nA pF Reverse Recovery Time trr ⎯ 4.0 ns Notes: 1. 2. 3. 4. 5. Test Condition IR = 10μA IF = 5.0mA IF = 10mA IF = 100mA IF = 150mA VR = 75V VR = 75V, TJ = 150°C VR = 25V, TJ = 150°C VR = 20V VR = 0, f = 1.0MHz IF = IR = 10mA, Irr = 0.1 x IR, RL = 100Ω 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. Short duration pulse test used to minimize self-heating effect. No purposefully added lead. Halogen and Antimony Free. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php. Product manufactured with Green Molding Compound and does not contain Halogens or Sb2O3 Fire Retardants. MMBD4448W Document number: DS30095 Rev. 11 - 2 1 of 3 www.diodes.com June 2008 © Diodes Incorporated MMBD4448W 1,000 IF, INSTANTANEOUS FORWARD CURRENT (mA) PD, POWER DISSIPATION (mW) 250 200 150 100 50 0 40 80 160 120 TA, AMBIENT TEMPERATURE (°C) Fig. 1 Power Derating Curve 0 100 10 1 0.1 200 0.4 0.8 1.2 1.6 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics 3 10,000 f = 1MHz 1,000 CT, TOTAL CAPACITANCE (pF) IR, INSTANTANEOUS REVERSE CURRENT (nA) 0 100 10 1 0.1 0 2 1.5 1 0.5 0 20 40 60 80 100 VR, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 3 Typical Reverse Characteristics Ordering Information 0 30 10 20 40 50 VR, DC REVERSE VOLTAGE (V) Fig. 4 Total Capacitance vs. Reverse Voltage (Notes 5 & 6) Part Number MMBD4448W-7-F Notes: 2.5 Case SOT-323 Packaging 3000/Tape & Reel 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Marking Information YM KA3 = Product Type Marking Code YM = Date Code Marking Y = Year ex: N = 2002 M = Month ex: 9 = September KA3 Date Code Key Year Code 2002 N 2003 P Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Code 1 2 3 4 5 6 7 8 9 O N D MMBD4448W Document number: DS30095 Rev. 11 - 2 2004 R 2005 S 2006 T 2007 U 2 of 3 www.diodes.com 2008 V 2009 W 2010 X 2011 Y 2012 Z June 2008 © Diodes Incorporated MMBD4448W Package Outline Dimensions A B C TOP VIEW G H K M J D F L SOT-323 Dim Min Max A 0.25 0.40 B 1.15 1.35 C 2.00 2.20 D 0.65 Nominal F 0.30 0.40 G 1.20 1.40 H 1.80 2.20 J 0.0 0.10 K 0.90 1.00 L 0.25 0.40 M 0.10 0.18 0° 8° α All Dimensions in mm Suggested Pad Layout Y Dimensions Value (in mm) Z C X Z 2.8 X 0.7 Y 0.9 C 1.9 E 1.0 E IMPORTANT NOTICE Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to any product herein. Diodes Incorporated 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 Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated. MMBD4448W Document number: DS30095 Rev. 11 - 2 3 of 3 www.diodes.com June 2008 © Diodes Incorporated