BAS21WQ
SURFACE MOUNT FAST SWITCHING DIODE
Features
Mechanical Data
Fast Switching Speed
Case: SOT323
Surface Mount Package Ideally Suited for Automated Insertion
High Breakdown Voltage
Case Material: Molded Plastic, "Green" Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminal Connections: See Diagram
Low Leakage Current
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Qualified to AEC-Q101 Standards for High Reliability
PPAP Capable (Note 4)
Terminals: Solderable per MIL-STD-202, Method 208
Lead-Free Plating (Matte Tin Finish Annealed over Alloy 42
Leadframe)
Weight: 0.006 grams (Approximate)
SOT323
Top View
Internal Schematic
Top View
Ordering Information (Notes 4 & 5)
Part Number
BAS21WQ-7-F
BAS21WQ-13-F
Compliance
Automotive
Automotive
Case
Packaging
SOT323
SOT323
3,000/Tape & Reel
10,000/Tape & Reel
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. Automotive products are AEC-Q101 qualified and are PPAP capable. Refer to http://www.diodes.com/quality/product_compliance_definitions/.
5. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
Marking Information
KT3 = Product Type Marking Code
YM = Date Code Marking
Y = Year, ex: D = 2016
M = Month, ex: 9 = September
Date Code Key
Year
2000
2001
…
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
Code
L
M
…
A
B
C
D
E
F
G
H
I
J
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 5
www.diodes.com
September 2016
© Diodes Incorporated
BAS21WQ
Document number: DS38907 Rev. 2 - 2