MMBD4448HT /HTA /HTC /HTS
Document number: DS30263 Rev. 13 - 2
1 of 4
www.diodes.com
February 2011
? Diodes Incorporated
MMBD4448HT /HTA /HTC /HTS
SURFACE MOUNT FAST
SWITCHING DIODE
Features
?
Ultra-Small Surface Mount Package
?
Fast Switching Speed
?
For General Purpose Switching Applications
?
High Conductance
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Lead Free/RoHS Compliant (Note 1)
?
"Green" Device (Notes 2 and 3)
Mechanical Data
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Case: SOT-523
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Case Material: Molded Plastic,
“Green” Molding Compound. UL
Flammability Classification Rating 94V-0
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Moisture Sensitivity: Level 1 per J-STD-020
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Terminals: Matte Tin Finish
annealed over Alloy 42 leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208
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Polarity: See Diagrams Below
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Weight: 0.002 grams (approximate)
Ordering Information
(Note 4)
Part Number
Case
Packaging
MMBD4448HT-7-F
SOT-523
3000/Tape & Reel
MMBD4448HTA-7-F
SOT-523
3000/Tape & Reel
MMBD4448HTC-7-F
SOT-523
3000/Tape & Reel
MMBD4448HTS-7-F
SOT-523
3000/Tape & Reel
Notes: 1. No purposefully added lead.
2. Diodes Inc.'s "Green" policy can be f
ound on our website at http://www.diodes.com.
3. Product manufactured with Date Code UO (week 40, 2007) and
newer are built with Green Molding Compound. Product manufacture
d prior to Date
Code UO are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
4. For packaging details, go to our website at http://www.diodes.com.
Marking Information
Date Code Key
Year
2001 2002 2003 2004 2005 2006 2007
2008
2009
2010
2011
2012
2013
2014
2015
Code
M N P R S T U V W X Y Z A B C
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
MMBD4448HT Marking: A3 MMBD4448HTA Marking: A6
SOT-523
MMBD4448HTC Marking: A7 MMBD4448HTS Marking: AB
TOP VIEW
xx = Product Type Marking Code (See Page 1 Diagrams)
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
xx
YM
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