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| MMBD4448H SURFACE MOUNT SWITCHING DIODE Features * * * * * Fast Switching Speed Surface Mount Package Ideally Suited for Automated Insertion For General Purpose Switching Applications High Conductance Lead Free/RoHS Compliant (Note 3) Mechanical Data * * * * * * * * * SOT-23 Case: SOT-23 Case Material: Molded Plastic. 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: 0.008 grams (approximate) TOP VIEW TOP VIEW Internal Schematic Maximum Ratings @TA = 25C unless otherwise specified Symbol VRM VRRM VRWM VR VR(RMS) IFM IO IFSM Value 100 80 57 500 250 4.0 2.0 Unit V V V mA mA A Characteristic Non-Repetitive Peak Reverse Voltage Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Forward Continuous Current Average Rectified Output Current Non-Repetitive Peak Forward Surge Current (Note 1) (Note 1) @ t = 1.0s @ t = 1.0s Thermal Characteristics Characteristic Power Dissipation Thermal Resistance Junction to Ambient Air Operating and Storage Temperature Range (Note 1) (Note 1) Symbol PD RJA TJ , TSTG Value 350 357 -65 to +150 Unit mW C/W C Electrical Characteristics Characteristic Reverse Breakdown Voltage Forward Voltage @TA = 25C unless otherwise specified (Note 2) Symbol V(BR)R VF Min 80 0.62 Max 0.72 0.855 1.0 1.25 100 50 30 25 3.5 4.0 Unit V V nA A A nA pF ns Test Condition IR = 2.5A IF = 5.0mA IF = 10mA IF = 100mA IF = 150mA VR = 70V VR = 75V, TJ = 150C VR = 25V, TJ = 150C VR = 20V VR = 6V, f = 1.0MHz VR = 6V, IF = 5mA Reverse Current Total Capacitance Reverse Recovery Time Notes: (Note 2) 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 pulse test used to minimize self-heating effect. 3. No purposefully added lead. MMBD4448H Document number: DS30176 Rev. 9 - 2 1 of 3 www.diodes.com April 2008 (c) Diodes Incorporated MMBD4448H 500 PD, POWER DISSIPATION (mW) 400 IF, INSTANTANEOUS FORWARD CURRENT (mA) 1,000 100 300 10 TA = -40C TA = 0C 200 100 1 TA = 25C TA = 75C TA = 125C 0 0 40 80 120 160 TA, AMBIENT TEMPERATURE (C) Fig. 1 Power Derating Curve 200 0.1 0 0.8 0.4 1.2 1.6 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics 10,000 IR, INSTANTANEOUS REVERSE CURRENT (nA) 3 f = 1MHz CT, TOTAL CAPACITANCE (pF) 1,000 2.5 2 100 1.5 10 1 1 0.5 0.1 0 20 40 VR, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 3 Typical Reverse Characteristics 0 0 10 20 30 40 50 VR, DC REVERSE VOLTAGE (V) Fig. 4 Total Capacitance vs. Reverse Voltage Ordering Information Part Number MMBD4448H-7-F Notes: (Note 4) Case SOT-23 Packaging 3000/Tape & Reel 4. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Marking Information 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 Month Code 2001 M Jan 1 2002 N Feb 2 2003 P Mar 3 2004 R Apr 4 2005 S May 5 YM 2006 T Jun 6 2007 U Jul 7 2008 V Aug 8 2009 W Sep 9 2010 X Oct O 2011 Y Nov N 2012 Z Dec D April 2008 MMBD4448H Document number: DS30176 Rev. 9 - 2 2 of 3 www.diodes.com (c) Diodes Incorporated MMBD4448H Package Outline Dimensions A TOP VIEW BC G H K M J D F L SOT-23 Dim Min Max A 0.37 0.51 B 1.20 1.40 C 2.30 2.50 D 0.89 1.03 F 0.45 0.60 G 1.78 2.05 H 2.80 3.00 J 0.013 0.10 K 0.903 1.10 L 0.45 0.61 M 0.085 0.180 8 0 All Dimensions in mm Suggested Pad Layout Y Z C Dimensions Value (in mm) Z 2.9 X 0.8 Y 0.9 C 2.0 E 1.35 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. MMBD4448H Document number: DS30176 Rev. 9 - 2 3 of 3 www.diodes.com April 2008 (c) Diodes Incorporated |
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