A
B
D
E
G
M
L
H
J
TOP VIEW
A
B
C
D
E
G
H
J
K
L
M
0.35
1.19
2.10
0.85
0.46
1.70
2.70
0.01
0.89
0.30
0.076
0.51
1.40
3.00
1.05
1.00
2.10
3.10
0.13
1.10
0.61
0.25
K
C
1
2
3
Surface Mount Switching Diodes
BAS21/A/C/S
SWITCHING DIODE
200m AMPERES
250 VOLTS
Lead(Pb)-Free
P b
SOT-23 Outline Dimensions
1/2
03-Apr-06
Dim
Min
Max
http://www.weitron.com.tw
WEITRON
SOT-23
Unit:mm
*Case: SOT-23, Molded Plastic
*Terminals: Solderable per MIL-STD-202, Method 208
*Polarity: See diagram
*Weight: 0.008 grams
Mechanical Data:
*Fast Switching Speed
*Surface Mount Package Ideally Suited for Automatic Insertion
*High Conductance
*For General Purpose Switching Applications
Features:
Maximum Ratings
(TJ=125C Unless otherwise noted)
Characteristic
Reverse Voltage
Forward Current
Power Dissipation
Operating Junction Temperature Range
Storage Temperature Range
Symbol
VR
IF
P
D
TJ
Tstg
Value
Unit
250
200
200
-55 to +150
-55 to +150
V
mA
mW
C
Electrical Characteristics
(TJ=125C Unless otherwise noted)
Characteristic
Symbol
Reverse Breakdown Voltage
I
R
=100A
Forward Voltage
I
F
=100mA
I
F
=200mA
Total Capacitance
V
R
=0V, f=1.0MHz
Reverse Leakage
V
R
=200V
Reverse Recover Time
V
(BR)
V
F
C
D
I
R
T
rr
Min
Max
Unit
250
-
-
-
-
-
1.0
1.25
5.0
1.0
50
V
V
pF
A
nS
Device Marking
Item
Marking
Eqivalent Circuit diagram
1
3
1
2
3
1
2
3
BAS21
BAS21A
BAS21C
BAS21S
JS
JS2
JS3
JS4
1
2
3
http://www.weitron.com.tw
WEITRON
C
BAS21/A/C/S
2/2
03-Apr-06
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