BAS19W - BAS21W
SURFACE MOUNT FAST SWITCHING DIODE
Features
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Fast Switching Speed
Surface Mount Package Ideally Suited for
Automatic Insertion
For General Purpose Switching Applications
High Conductance
A
SOT-323
Dim
B C
Min
0.25
1.15
2.00
0.30
1.20
1.80
0.0
0.90
0.25
0.10
0擄
Max
0.40
1.35
2.20
0.40
1.40
2.20
0.10
1.00
0.40
0.18
8擄
A
B
C
D
M
Mechanical Data
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Case: SOT-323, Molded Plastic
Case Material - UL Flammability Rating
Classification 94V-0
Moisture sensitivity: Level 1 per J-STD-020A
Terminals: Solderable per MIL-STD-202,
Method 208
Terminal Connections: See Diagram
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 (approx.)
K
G
H
0.65 Nominal
E
G
H
J
K
L
M
a
J
D
F
L
TOP VIEW
All Dimensions in mm
Maximum Ratings
@ T
A
= 25擄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
擄C/W
擄C
Electrical Characteristics
Characteristic
Reverse Breakdown Voltage (Note 2)
@ T
A
= 25擄C unless otherwise specified
Symbol
BAS19W
BAS20W
BAS21W
V
(BR)R
V
F
I
R
C
T
t
rr
Min
120
200
250
戮
戮
戮
戮
Max
戮
戮
戮
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擄C
T
j
= 100擄C
V
R
= 0, f = 1.0MHz
I
F
= I
R
= 30mA,
I
rr
= 0.1 x I
R
, R
L
= 100W
Forward Voltage (Note 2)
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.
DS30118 Rev. 6 - 2
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BAS19W - BAS21W
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