Lead-free
DS12024 Rev. 15 - 2 1 of 3 BAV19W - BAV21W
www.diodes.com @Diodes Incorporated
BAV19W - BAV21W
SURFACE MOUNT SWITCHING DIODE
•Case: SOD-123
•Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
•Moisture Sensitivity: Level 1 per J-STD-020C
•Terminals: Solderable per MIL-STD-202, Method 208
•Lead Free Plating (Matte Tin Finish annealed over
Alloy 42 leadframe)
•Polarity: Cathode Band
•Marking: Date Code and Type Code, See Page 2
•Type Code: BAV19W: A8 or T2 or T3
BAV20W: T2 or T3
BAV21W: T3
•Ordering Information: See Page 3
•Weight: 0.01 grams (approximate)
Mechanical Data
Characteristic Symbol BAV19W BAV20W BAV21W Unit
Non-Repetitive Peak Reverse Voltage VRM 120 200 250 V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR100 150 200 V
RMS Reverse Voltage VR(RMS) 71 106 141 V
Forward Continuous Current IFM 400 mA
Average Rectified Output Current IO200 mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
@ t = 1.0s IFSM 2.5
0.5 A
Repetitive Peak Forward Surge Current IFRM 625 mA
Power Dissipation (Note 2) Pd250 mW
Thermal Resistance Junction to Ambient Air (Note 2) RθJA 500 °C/W
Operating and Storage Temperature Range Tj , TSTG -65 to +150 °C
Maximum Ratings @ TA = 25°C unless otherwise specified
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 1) BAV19W
BAV20W
BAV21W V(BR)R 120
200
250 VIR = 100mA
Forward Voltage VFM 1.0
1.25 VIF = 100mA
IF = 200mA
Peak Reverse Current
@ Rated DC Blocking Voltage (Note 1) IRM 100
15 nA
mA Tj = 25°C
Tj = 100°C
Total Capacitance CT 5.0 pF VR = 0, f = 1.0MHz
Reverse Recovery Time trr 50 ns IF = IR = 30mA,
Irr = 0.1 x IR, RL = 100W
Electrical Characteristics @ TA = 25°C unless otherwise specified
•Fast Switching Speed
•Surface Mount Package Ideally Suited for Automatic Insertion
•For General Purpose Switching Applications
•High Conductance
•Lead Free/RoHS Compliant (Note 3)
•Qualified to AEC-Q101 Standards for High Reliability
Notes: 1. Short duration pulse test used to minimize self-heating effect.
2. Part mounted on FR-4 PC board with minimum recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
3. No purposefully added lead.
Features
SOD-123
Dim Min Max
A3.55 3.85
B2.55 2.85
C1.40 1.70
D— 1.35
E0.45 0.65
0.55 Typical
G0.25 —
H0.11 Typical
J— 0.10
α0°8°
All Dimensions in mm
A
B
C
D
E
G
H
J
SPICE MODELS: BAV19W BAV20W BAV21W
DS12024 Rev. 15 - 2 2 of 3 BAV19W - BAV21W
www.diodes.com
50
100
150
200
00
P , POWER DISSIPATION (mW)
d
T , AMBIENT TEMPERA TURE (ºC)
AFig. 1 Power Derating Curve
300
250
25 50 75 100 125 150
0.001
0.01
0.1
1
00.4
0.2 0. 6
I , INSTANTANEOUS FORWARD CURRENT (A)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
FFig. 2 Typical Forward Characteristics
0.8 1.2
1.0 1.4
T = 0ºC
A
T = 150ºC
A
T = -40ºC
A
T = 25ºC
A
T = 75ºC
A
T = 125ºC
A
0.0
0.5
1.0
1.5
3.5
3.0
2.5
2.0
4.0
010 20 40
30
C , TOTAL CAPACITANCE (pF)
T
V , REVERSE VOLTAGE (V)
R
Fig. 4 Typical Capacitance vs. Reverse Voltage
f = 1.0MHz
0.0001
0.01
0.001
0.1
1
10
100
050 100 200
150 250
V , INSTANTANEOUS REVERSE VOLTAGE (V)
RFig. 3 Typical Reverse Characteristics
T = -40ºC
A
T = 25ºC
A
T = 75ºC
A
T = 125ºC
A
T = 150ºC
A
T = 0ºC
A
DS12024 Rev. 15 - 2 3 of 3 BAV19W - BAV21W
www.diodes.com
XX
YM
XX = Product Type Marking Code, See Page 1
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
Marking Information
Month Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec
Code 123456789OND
Date Code Key
Notes: 4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Device Packaging Shipping
BAV19W-7-F SOD-123 3000/Tape & Reel
BAV20W-7-F SOD-123 3000/Tape & Reel
BAV21W-7-F SOD-123 3000/Tape & Reel
Ordering Information (Note 4)
Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
Code JKLMNPRSTUVW
IMPORTANT NOTICE
Diodes, Inc. and its subsidiaries reserve the right to make changes without further notice to any product herein to make corrections, modifications, enhance-
ments, improvements, or other changes. Diodes, Inc. does not assume any liability arising out of the application or use of any product described herein;
neither does it convey any license under its patent rights, nor the rights of others. The user of products 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 our website, harmless against all damages.
LIFE SUPPORT
The products located on our website at www.diodes.com are not recommended for use in life support systems where a failure or malfunction of the
component may directly threaten life or cause injury without the expressed written approval of Diodes Incorporated.
