Page 1
Features
• Fast Switching Speed
• Surface Mount Package Ideally Suited for Automated Insertion
• For General Purpose Switching Applications
• High Conductance
• 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
BAV19WS - BAV21WS
SURFACE MOUNT FAST SWITCHING DIODE
Mechanical Data
• Case: SOD323
• 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, See Page 2
• Terminals: Matte Tin Finish annealed over Alloy 42 leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208
• Weight: 0.004 grams (approximate)
SOD323
Top View
e3
Ordering Information (Note 4)
Part Number Qualification Case Packaging
BAV19WS-7-F AEC-Q101 SOD323 3000/Tape & Reel
BAV20WS-7-F AEC-Q101 SOD323 3000/Tape & Reel
BAV21WS-7-F AEC-Q101 SOD323 3000/Tape & Reel
BAV21WSQ-7-F Automotive SOD323 3000/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. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
Marking Information
BAV19WS - BAV21WS
Document number: DS30119 Rev. 18 - 2
XX
XX = Product Type Marking Code
BAV19WS Marking: T2 or T3
BAV20WS Marking: T2 or T3
BAV21WS Marking: T3
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Maximum Ratings (@T
= +25°C, unless otherwise specified.)
A
Characteristic Symbol BAV19WS BAV20WS BAV21WS Unit
Repetitive Peak Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 5)
Average Rectified Output Current (Note 5)
Non-Repetitive Peak Forward Surge Current @t = 1.0µs
@t = 100µs
@t = 10ms
Repetitive Peak Forward Surge Current
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation
Thermal Resistance Junction to Ambient Air (Note 5)
Operating and Storage Temperature Range
V
V
V
R(RMS)
I
I
I
FRM
RRM
RWM
V
R
FM
I
O
FSM
BAV19WS - BAV21WS
120 200 250 V
100 150 200 V
71 106 141 V
250 mA
200 mA
9.0
3.0
1.7
625 mA
P
D
R
θJA
T
, T
J
STG
200 mW
625 °C/W
-65 to +150
°C
A
Electrical Characteristics (@T
= +25°C, unless otherwise specified.)
A
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 6) BAV19WS
BAV20WS
BAV21WS
Forward Voltage
Peak Reverse Current
@ Rated DC Blocking Voltage (Note 6)
Total Capacitance
Reverse Recovery Time
Notes: 5. Part mounted on FR-4 PC board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
6. Short duration pulse test used to minimize self-heating effect.
V
(BR)R
V
⎯
F
I
R
C
⎯
T
t
⎯
rr
120
200
⎯
V
IR = 100µA
250
I
1.0
1.25
⎯
100
15
V
nA
µA
5.0 pF
50 ns
= 100mA
F
I
= 200mA
F
T
= +25°C
J
T
= +100°C
J
VR = 0, f = 1.0MHz
= IR = 30mA,
I
F
I
= 0.1 x IR, RL = 100Ω
rr
BAV19WS - BAV21WS
Document number: DS30119 Rev. 18 - 2
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Page 3
P, P
OWER
PAT
O
TANT
O
US FORWARD CUR
RENT
C, TOT
CAPACITANC
O
RWAR
R
G
C
R
R
BAV19WS - BAV21WS
250
Note 5
1
(A)
200
N (mW)
I
150
DISSI
100
50
D
0
0
40
T , AMBIENT TEMPERATURE ( C)
A
80
Fig. 1 Power Derating Curve
100
μ
T = 150ºC
A
120 160
200
°
ANE
F
I, INS
0.001
0.1
0.01
T = 150ºC
A
0.8
0.40.2
0
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
0. 6
1.0
Fig. 2 Typical Forward Characteristics
4.0
T = -40ºC
A
T = 0ºC
A
T = 25ºC
A
T = 75ºC
A
T = 125ºC
A
1.2
1.4
3.5
10
T = 125ºC
A
3.0
1
T = 75ºC
A
E (pF)
2.5
0.1
0.01
0.001
R
I , INSTANTANEOUS REVERSE CURRENT ( A)
0.0001
050100
V , INSTANTANEOUS REVERSE VOLTAGE (V)
R
Fig. 3 Typical Reverse Characteristics
10
ENT (A)
U
E
D SU
T = 25ºC
A
T = 0ºC
A
T = -40ºC
A
2.0
1.5
AL
1.0
T
0.5
0.0
200150
250
0
10
V , DC REVERSE VOLTAGE (V)
R
20
Fig. 4 Total Capacitance vs. Reverse Voltage
4030
FSM
I, F
1
0.001 0.01
0.1 1 10
PULSE WIDTH (ms)
Fig. 5 Maximum Non-Repetitive Sur ge Current
BAV19WS - BAV21WS
Document number: DS30119 Rev. 18 - 2
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Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
C
H
B
M
A
K
L
J
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
C
X
GY
Z
Dimensions Value (in mm)
BAV19WS - BAV21WS
SOD323
Dim Min Max
A 0.25 0.35
B 1.20 1.40
C 2.30 2.70
H 1.60 1.80
J 0.00 0.10
K 1.0 1.1
L 0.20 0.40
M 0.10 0.15
0° 8°
α
All Dimensions in mm
Z 3.75
G 1.05
X 0.65
Y 1.35
C 2.40
BAV19WS - BAV21WS
Document number: DS30119 Rev. 18 - 2
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IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2013, Diodes Incorporated
www.diodes.com
BAV19WS - BAV21WS
BAV19WS - BAV21WS
Document number: DS30119 Rev. 18 - 2
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