BAS19 / BAS20 / BAS21
SURFACE MOUNT FAST SWITCHING DIODE
Features
路
路
路
路
路
路
路
路
路
路
路
路
路
Fast Switching Speed
Surface Mount Package Ideally Suited for
Automatic Insertion
For General Purpose Switching Applications
High Conductance
Case: SOT-23, Molded Plastic
Terminals: Solderable per MIL-STD-202,
Method 208
Case material - UL Flammability Rating
Classification 94V-0
Moisture sensitivity: Level 1 per J-STD-020A
Polarity: See Diagram
BAS19 Marking: KA8, KT3, KT2
BAS20 Marking: KT2, KT3
BAS21 Marking: KT3
Weight: 0.008 grams (approx.)
SOT-23
Dim
A
A
Min
0.37
1.20
2.30
0.89
0.45
1.78
2.80
0.013
0.903
0.45
0.85
0擄
Max
0.51
1.40
2.50
1.03
0.60
2.05
3.00
0.10
1.10
0.61
0.80
8擄
B
C
B
C
Mechanical Data
TOP VIEW
D
E
G
H
J
E
D
G
H
K
J
L
M
K
L
M
a
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
Average Rectified Output Current
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
@ t = 1.0s
Repetitive Peak Forward Surge Current
Power Dissipation (Note 1)
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
BAS19
120
100
71
BAS20
200
150
106
400
200
2.5
0.5
625
250
500
-65 to +150
BAS21
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
BAS19
BAS20
BAS21
V
(BR)R
V
FM
I
RM
C
T
t
rr
Min
戮
戮
戮
Max
120
200
250
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
Note:
戮
戮
1. Part mounted on FR-4 board with recommended pad layout, which can be found on ourwebsite
at http://www.diodes.com/datasheets/ap02001.pdf.
2. Short duration pulse test used to minimize self-heating effect.
DS12004 Rev. 12 - 2
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BAS19 / BAS20 / BAS21
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