SPICE MODELS: BAS19W BAS20W BAS21W
Lead-free Green
BAS19W - BAS21W
SURFACE MOUNT FAST SWITCHING DIODE
Features
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
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
"Green" Device (Note 4 and 5)
G
H
K
M
B C
A
SOT-323
Dim
A
B
C
D
E
G
H
J
K
L
M
a
Min
0.25
1.15
2.00
0.30
1.20
1.80
0.0
0.90
0.25
0.10
0°
Max
0.40
1.35
2.20
0.40
1.40
2.20
0.10
1.00
0.40
0.18
8°
Mechanical Data
Case: SOT-323
Case Material: Molded Plastic, "Green" Molding Compound,
Note 5. UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020C
Terminal Connections: See Diagram
Terminals: Solderable per MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
BAS19W Marking: KA8 or KT2 or KT3 (See Page 3)
BAS20W Marking: KT2 or KT3 (See Page 3)
BAS21W Marking: KT3 (See Page 3)
Weight: 0.006 grams (approximate)
0.65 Nominal
J
D
E
L
TOP VIEW
All Dimensions in mm
Maximum Ratings
@ T
A
= 25°C unless otherwise specified
Characteristic
Repetitive Peak Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 1)
Average Rectified Output Current (Note 1)
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
@ t = 1.0s
Repetitive Peak Forward Surge Current
Power Dissipation
Thermal Resistance Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Symbol
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
I
O
I
FSM
I
FRM
P
d
R
qJA
T
j
, T
STG
BAS19W
120
100
71
BAS20W
200
150
106
400
200
2.5
0.5
625
200
625
-65 to +150
BAS21W
250
200
141
Unit
V
V
V
mA
mA
A
mA
mW
°C/W
°C
Electrical Characteristics
Characteristic
Reverse Breakdown Voltage (Note 2)
@ T
A
= 25°C unless otherwise specified
Symbol
BAS19W
BAS20W
BAS21W
V
(BR)R
V
F
I
R
C
T
t
rr
Min
120
200
250
¾
¾
¾
¾
Max
¾
¾
¾
1.0
1.25
100
15
5.0
50
Unit
V
V
nA
mA
pF
ns
Test Condition
I
R
= 100mA
I
F
= 100mA
I
F
= 200mA
T
j
= 25°C
T
j
= 100°C
V
R
= 0, f = 1.0MHz
I
F
= I
R
= 30mA,
I
rr
= 0.1 x I
R
, R
L
= 100W
Forward Voltage
Reverse Current
@ Rated DC Blocking Voltage (Note 2)
Total Capacitance
Reverse Recovery Time
Notes: 1. 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.
2. Short duration test pulse used to minimize self-heating effect.
3. No purposefully added lead.
4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
5. Product manufactured with Date Code 0609 (week 9, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code 0609 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
DS30118 Rev. 11 - 2
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BAS19W - BAS21W
ã
Diodes Incorporated
I
F
, INSTANTANEOUS FORWARD CURRENT (A)
1
100
T
A
= 150ºC
10
T
A
= 125ºC
0.1
1
T
A
= 75ºC
0.1
T
A
= -40ºC
T
A
= 0ºC
T
A
= 25ºC
0.01
0.01
T
A
= 25ºC
T
A
= 75ºC
T
A
= 0ºC
0.001
T
A
= 125ºC
T
A
= 150ºC
T
A
= -40ºC
0.001
0
0.2
0.4
0.8
1.0
1.2
0. 6
1.4
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Typical Forward Characteristics
0.0001
0
50
100
150
200
250
V
R
, INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 2 Typical Reverse Characteristics
4.0
3.5
f = 1.0MHz
250
Note 1
P
d
, POWER DISSIPATION (mW)
0
10
20
30
40
C
T
, TOTAL CAPACITANCE (pF)
3.0
2.5
2.0
1.5
1.0
0.5
0.0
200
150
100
50
0
0
100
T
A
, AMBIENT TEMPERATURE (
°
C)
Fig. 4 Power Derating Curve
200
V
R
, REVERSE VOLTAGE (V)
Fig. 3 Typical Capacitance vs. Reverse Voltage
DS30118 Rev. 11 - 2
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BAS19W - BAS21W
Ordering Information
Device
BAS19W-7-F
BAS20W-7-F
BAS21W-7-F
Notes:
(Note 5 and 6)
Packaging
SOT-323
SOT-323
SOT-323
Shipping
3000/Tape & Reel
3000/Tape & Reel
3000/Tape & Reel
5. Product manufactured with Date Code 0609 (week 9, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code 0609 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
6. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
XXX = Product Type Marking Code (See Page 1 Diagrams)
YM = Date Code Marking
Y = Year ex: N = 2002
M = Month ex: 9 = September
XXX
Date Code Key
Year
Code
2000
L
2001
M
2002
N
2003
P
YM
2004
R
2005
S
2006
T
2007
U
2008
V
2009
W
2010
X
2011
Y
2012
Z
Month
Code
Jan
1
Feb
2
March
3
Apr
4
May
5
Jun
6
Jul
7
Aug
8
Sep
9
Oct
O
Nov
N
Dec
D
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further
notice to any product herein. Diodes Incorporated 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
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the
President of Diodes Incorporated.
DS30118 Rev. 11 - 2
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BAS19W - BAS21W
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