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MMBD4448W
Document number: DS30095 Rev. 12 - 2
1 of 4
www.diodes.com
February 2011
? Diodes Incorporated
MMBD4448W
SURFACE MOUNT FAST
SWITCHING DIODE
Features
?
Fast Switching Speed
?
Small Surface Mount Package
?
For General Purpose Switching Applications
?
High Conductance
?
Lead, Halogen and Antimony Free, RoHS Compliant "Green"
Device (Notes 1, 2 and 3)
Mechanical Data
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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-020
?
Terminals: Matte Tin Finish
annealed over Alloy 42 leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208
?
Polarity: See Diagram
?
Weight: 0.006 grams (approximate)
Ordering Information
(Notes 3 & 4)
Part Number
Case
Packaging
MMBD4448W-7-F
SOT-323
3000/Tape & Reel
Notes: 1. No purposefully added lead. Halogen and Antimony Free.
2. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com.
3. Product manufactured with Green Molding Compound and does not 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
2002 2003 2004 2005 2006 2007
2008
2009
2010
2011
2012
2013
2014
2015
Code
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
Top View
SOT-323
Top View
Internal Schematic
KA3 = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
KA3
YM
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