Diodes BAS21 User Manual
Features, Mechanical data, Ordering information
BAS19 / BAS20 / BAS21
Document number: DS12004 Rev. 21 - 2
1 of 4
November 2011
© Diodes Incorporated
BAS19 / BAS20 / BAS21
SURFACE MOUNT FAST SWITCHING DIODE
Features
•
Fast Switching Speed
•
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)
•
Qualified to AEC-Q101 Standards for High Reliability
Mechanical Data
• Case:
SOT23
•
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).
•
Polarity: See Diagram
•
Weight: 0.008 grams (approximate)
Ordering Information
(Note 3)
Part Number
Qualification Case
Packaging
BAS19-7-F
Commercial
SOT23
3,000/Tape & Reel
BAS20-7-F
Commercial
SOT23
3,000/Tape & Reel
BAS20-13-F
Commercial
SOT23
10,000/Tape & Reel
BAS20Q-13-F
Automotive
SOT23
10,000/Tape & Reel
BAS21-7-F
Commercial
SOT23
3,000/Tape & Reel
BAS21Q-7-F
Automotive
SOT23
3,000/Tape & Reel
BAS21-13-F
Commercial
SOT23
10,000/Tape & Reel
BAS21Q-13-F
Automotive
SOT23
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 Sb
2
O
3
Fire Retardants.
3. For packaging details, go to our website at
Marking Information
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
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
SOT23
Top View
Internal Schematic
KXX = Product Type Marking Code
BAS19 Marking: KA8, KT3; KT2
BAS20 Marking: KT2, KT3
BAS21 Marking: KT3
YM = Date Code Marking
Y = Year (ex: Y = 2011)
M = Month (ex: 9 = September)
KXX
YM