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1N4448WSF
Document number: DS35380 Rev. 3 - 2
1 of 4
www.diodes.com
August 2011
? Diodes Incorporated
1N4448WSF
NEW PRODUCT
SURFACE MOUNT FAST
SWITCHING DIODE
Features
?
Fast Switching Speed: t
rr
≤
4.0ns
?
Low Leakage Current: I
R
≤
25nA
?
Low Capacitance: C
T
≤
4pF
?
Flat Lead for High Thermal Efficiency
?
Small Surface Mount Package
?
Lead, Halogen and Antimony Free, RoHS Compliant (Note 1)
?
"Green" Device (Note 2)
?
Qualified to AEC-Q101 Standards for High Reliability
Mechanical Data
?
Case: SOD323F
?
Case Material: Molded Plastic,
“Green Molding Compound”.
UL Flammability Classification Rating 94V-0
?
Moisture Sensitivity: Level 1 per J-STD-020
?
Terminal Connections: Cathode Band
?
Terminals: Finish - Matte Tin annealed over Copper Alloy
leadframe. Solderable per MIL-STD-202, Method 208
?
Weight: 0.007 grams (approximate)
Ordering Information
(Note 3)
Part Number
Qualification
Case
Packaging
1N4448WSF-7
Commercial
SOD323F
3000/Tape & Reel
1N4448WSFQ-7
Automotive
SOD323F
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. For packaging details, go to our website at http://www.diodes.com.
Marking Information
Date Code Key
Year
2011
2012
2013
2014
2015
2016
2017
2018
Code
Y Z A B C D E F
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
SOD323F
TK = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: Y = 2011)
M = Month (ex: 9 = September)
TK
YM
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