MMBD4448HW SURFACE MOUNT SWITCHING DIODE Please click here to visit our online spice models database. Features • • • • • • Mechanical Data • • Fast Switching Speed Surface Mount Package Ideally Suited for Automated Insertion For General Purpose Switching Applications High Conductance Lead Free/RoHS Compliant (Note 3) "Green" Device (Notes 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 Value 100 Unit V 80 V V mA mA IFSM 57 500 250 4.0 2.0 Symbol PD RθJA TJ , TSTG Value 200 625 -65 to +150 Unit mW °C/W °C @ t = 1.0μs @ t = 1.0s 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 80 0.62 ⎯ ⎯ ⎯ Max ⎯ Unit V 0.72 0.855 1.0 1.25 V Forward Voltage VF Peak Reverse Current (Note 2) IR ⎯ 100 50 30 25 nA μA μA nA Total Capacitance Reverse Recovery Time CT trr ⎯ ⎯ 3.5 4.0 pF ns Notes: Test Condition IR = 2.5μA IF = 5.0mA IF = 10mA IF = 100mA IF = 150mA VR = 70V VR = 75V, TJ = 150°C VR = 25V, TJ = 150°C VR = 20V VR = 6V, f = 1.0MHz VR = 6V, IF = 5mA 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 pulse test used to minimize self-heating effect. 3. No purposefully added lead. 4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php. 5. Product manufactured with Date Code 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date Code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants. MMBD4448HW Document number: DS30228 Rev. 7 - 2 1 of 3 www.diodes.com March 2008 © Diodes Incorporated MMBD4448HW IF, INSTANTANEOUS FORWARD CURRENT (mA) PD, POWER DISSIPATION (mW) 250 200 150 100 50 0 160 80 120 40 TA, AMBIENT TEMPERATURE (°C) Fig. 1 Power Derating Curve 0 1,000 200 10 1 0.1 0 0.4 0.8 1.2 1.6 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics 3 f = 1MHz 1,000 CT, TOTAL CAPACITANCE (pF) IR, INSTANTANEOUS REVERSE CURRENT (nA) 10,000 100 100 10 1 2.5 2 1.5 1 0.5 0 0.1 20 0 40 60 80 100 0 VR, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 3 Typical Reverse Characteristics Ordering Information (Notes 5 & 6) Part Number MMBD4448HW-7-F Notes: 10 20 30 40 50 VR, DC REVERSE VOLTAGE (V) Fig. 4 Total Capacitance vs. Reverse Voltage 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 Date Code Key Year 2000 Code L 2001 M 2002 N 2003 P YM KA1 KA1= Product Type Marking Code YM = Date Code Marking Y = Year ex: N = 2002 M = Month ex: 9 = September 2004 R 2005 S 2006 T 2007 U 2008 V 2009 W 2010 X 2011 Y 2012 Z 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 MMBD4448HW Document number: DS30228 Rev. 7 - 2 2 of 3 www.diodes.com March 2008 © Diodes Incorporated MMBD4448HW 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 8° 0° α All Dimensions in mm Suggested Pad Layout Dimensions Value (in mm) Z 2.8 G 1.0 X 0.7 Y 0.9 C 1.9 E 0.65 Y Z G C X 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. MMBD4448HW Document number: DS30228 Rev. 7 - 2 3 of 3 www.diodes.com March 2008 © Diodes Incorporated