BAS19 / BAS20 / BAS21
SURFACE MOUNT FAST SWITCHING DIODE
Features
Mechanical Data
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Fast Switching Speed
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Case: SOT23
Surface Mount Package Ideally Suited for Automated Insertion
For General Purpose Switching Applications
High Conductance
Lead, Halogen and Antimony Free, RoHS Compliant
“Green” Device (Notes 1 and 2)
Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Solderable per MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
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Qualified to AEC-Q101 Standards for High Reliability
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Polarity: See Diagram
Weight: 0.008 grams (approximate)
SOT23
Top View
Internal Schematic
Top View
Ordering Information (Note 3)
Part Number
BAS19-7-F
BAS20-7-F
BAS20-13-F
BAS20Q-13-F
BAS21-7-F
BAS21Q-7-F
BAS21-13-F
BAS21Q-13-F
Qualification
Commercial
Commercial
Commercial
Automotive
Commercial
Automotive
Commercial
Automotive
Case
Packaging
SOT23
SOT23
SOT23
SOT23
SOT23
SOT23
SOT23
SOT23
3,000/Tape & Reel
3,000/Tape & Reel
10,000/Tape & Reel
10,000/Tape & Reel
3,000/Tape & Reel
3,000/Tape & Reel
10,000/Tape & Reel
10,000/Tape & Reel
Notes:
1. No purposefully added lead. Halogen and Antimony Free.
2. Product manufactured with Data Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code V9 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
3. For packaging details, go to our website at http://www.diodes.com.
Marking Information
KXX = Product Type Marking Code
BAS19 Marking: KA8, KT3; KT2
BAS20 Marking: KT2, KT3
BAS21 Marking: KT3
KXX
YM = Date Code Marking
Y = Year (ex: Y = 2011)
M = Month (ex: 9 = September)
Date Code Key
Year
2000
2001
2002
…..
…..
2009
2010
2011
2012
2013
2014
2015
2016
2017
Code
L
M
N
W
X
Y
Z
A
B
C
D
E
Month
Code
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1
2
3
4
5
6
7
8
9
O
N
D
1 of 4
www.diodes.com
November 2011
© Diodes Incorporated
BAS19 / BAS20 / BAS21
Document number: DS12004 Rev. 21 - 2