BAS19W - BAS21W
SURFACE MOUNT FAST SWITCHING DIODE
Please click here to visit our online spice models database.
Features
•
•
•
•
•
•
•
Fast Switching Speed
Surface Mount Package Ideally Suited for Automated Insertion
For General Purpose Switching Applications
High Conductance
Lead Free/RoHS Compliant (Note 3)
Qualified to AEC-Q101 Standards for High Reliability
"Green" Device (Notes 4 and 5)
Mechanical Data
•
•
•
•
•
•
•
•
•
•
SOT-323
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-020D
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 2)
BAS20W Marking: KT2 or KT3 (See Page 2)
BAS21W Marking: KT3 (See Page 2)
Weight: 0.006 grams (approximate)
TOP VIEW
TOP VIEW
Internal Schematic
Maximum Ratings
@T
A
= 25°C unless otherwise specified
Symbol
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
I
O
@ t = 1.0μs
@ t = 1.0s
I
FSM
I
FRM
BAS19W
120
100
71
BAS20W
200
150
106
400
200
2.5
0.5
625
BAS21W
250
200
141
Unit
V
V
V
mA
mA
A
mA
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
Repetitive Peak Forward Surge Current
Thermal Characteristics
Characteristic
Power Dissipation
Thermal Resistance Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Symbol
P
D
R
θ
JA
T
J
, T
STG
Value
200
625
-65 to +150
Unit
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
⎯
⎯
⎯
⎯
Max
⎯
⎯
⎯
1.0
1.25
100
15
5.0
50
Unit
V
V
nA
μA
pF
ns
Test Condition
I
R
= 100μA
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
= 100Ω
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 pulse test 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 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb
2
O
3
Fire Retardants.
BAS19W - BAS21W
Document number: DS30118 Rev. 13 - 2
1 of 3
www.diodes.com
March 2008
© Diodes Incorporated
BAS19W - BAS21W
I
F
, INSTANTANEOUS FORWARD CURRENT (A)
250
Note 1
1
P
D
, POWER DISSIPATION (mW)
200
0.1
150
100
0.01
50
0
0
100
T
A
, AMBIENT TEMPERATURE (
°
C)
Fig. 1 Power Derating Curve
200
0.001
0
0.8
1.0
1.2
0.2
0.4
1.4
0. 6
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
100
4.0
3.5
C
T
, TOTAL CAPACITANCE (pF)
10
3.0
2.5
2.0
1.5
1.0
0.5
0.0
1
0.1
0.01
0.001
0.0001
0
150
200
50
100
250
V
R
, INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 3 Typical Reverse Characteristics
0
10
20
30
40
V
R
, DC REVERSE VOLTAGE (V)
Fig. 4 Total Capacitance vs. Reverse Voltage
Ordering Information
Part Number
BAS19W-7-F
BAS20W-7-F
BAS21W-7-F
Notes:
(Notes 5 & 6)
Case
SOT-323
SOT-323
SOT-323
Packaging
3000/Tape & Reel
3000/Tape & Reel
3000/Tape & Reel
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)
YM = Date Code Marking
Y = Year ex: N = 2002
M = Month ex: 9 = September
XXX
Date Code Key
Year
Code
Month
Code
2000
L
Jan
1
2001
M
Feb
2
2002
N
Mar
3
2003
P
Apr
4
2004
R
May
5
YM
2005
S
Jun
6
2006
T
2007
U
Jul
7
2008
V
Aug
8
2009
W
Sep
9
2010
X
Oct
O
2011
Y
Nov
N
2012
Z
Dec
D
March 2008
BAS19W - BAS21W
Document number: DS30118 Rev. 13 - 2
2 of 3
www.diodes.com
© Diodes Incorporated
BAS19W - BAS21W
Package Outline Dimensions
A
TOP VIEW
B C
G
H
K
M
J
D
F
L
SOT-323
Dim
Min
Max
A
0.25
0.40
B
1.15
1.35
C
2.00
2.20
D
0.65 Nominal
F
0.30
0.40
G
1.20
1.40
H
1.80
2.20
J
0.0
0.10
K
0.90
1.00
L
0.25
0.40
M
0.10
0.18
0°
8°
α
All Dimensions in mm
Suggested Pad Layout
Y
Z
G
C
X
E
Dimensions Value (in mm)
Z
2.8
G
1.0
X
0.7
Y
0.9
C
1.9
E
0.65
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.
BAS19W - BAS21W
Document number: DS30118 Rev. 13 - 2
3 of 3
www.diodes.com
March 2008
© Diodes Incorporated
京公网安备 11010802033920号
EEWORLD
