Surface Mount Switching Diode
Features:
BAS19/BAS20
WEITRON
SWITCHING DIODE
200mAMPERS
120-250V
OL
TS
SOT
-23 Outline Dimensions
SOT
-23
Unit:mm
Dim
A
B
C
D
E
G
H
J
K
L
M
Min
0.35
1.19
2.10
0.85
0.46
1.70
2.70
0.01
0.89
0.30
0.076
Max
0.51
1.40
3.00
1.05
1.00
2.10
3.10
0.13
1.10
0.61
0.25
A
B
D
E
G
M
L
H
J
TOP
VIEW
K
C
http://www
.weitron.com.tw
1
2
3
BAS21
*F
ast Switching Speed
*Surface Mount P
ackage
Ideally
*High Conductance
*F
or General Purpose Switc
hing Applications
Mechanical Data:
*Case: SO
T
-23 Molded Plastic
*T
er
minals: Soldera
ble P
er MIL-STD-202, Method 208
*P
olarity: See
Eqiv
alent Cir
cuit Diag
ram
*W
eight: 0.008grams(appro
x)
Suited for
Automatic
Inser
tion
WEITRON
W
E
I
T
R
O
N
Maximum Ratings
(T
A
=25 C Unless otherwise noted)
Electrical Characteristics
(T
A
=25 C Unless otherwise noted)
Characteristic
Symbol
F
orw
ar
d V
oltage
T
otal Capacitance
(V
R
=1.0V
, f=1.0MHz)
R
everse Leakag
e
@R
ated DC Blocking V
oltag
e
IR
C
j
V
F
Max
Unit
V
olts
P
F
nAdc
http://www
.weitron.com.tw
BAS19/BAS20
BAS21
I
F
I
F
=100mA
=200mA
1.0
1.25
-
-
-
5.0
100
50
Min
R
everse R
eco
v
ery Time
I
F
R
=
I
=30mA
I
rr
=0.1*I
R
,RL=100
Ω
trr
nS
NO
TE:
1. V
alid pro
vided that ter
minals ar
e k
ept at
ambient temperatur
e
.
BAS19
BAS20
BAS21
Non-R
epetitiv
e
Non-R
epetitiv
e
P
eak R
ev
erse V
oltag
e
P
eak R
epetiti
v
e R
everse V
olta
ge
W
orking P
eak R
e
v
erse V
oltage
DC Blocking V
oltage
F
orw
ar
d Continuous Current
(1)
(1)
(1)
A
verage R
ectified Output Current
P
eak F
orward Sur
g
e Current
@t=1.0us
@t=1.0s
P
o
wer Dissipation
T
hermal R
esistance J
unction to
Ambient Air
Operating and Storag
e
T
emperature R
ang
e
V
RRM
V
RM
V
R
V
RWM
I
FM
I
o
I
FSM
Pd
R
JA
θ
T
j
,T
ST
G
120
100
200
150
250
200
400
200
2.5
0.5
250
500
-65 to +150
V
olts
V
olts
mA
mA
A
mW
K/W
C
Characteristic
Symbol
Unit
WEITRON
http://www
.weitron.com.tw
BAS19/BAS20
10
1.0
100
1000
0.1
0.01
01
2
I
,
INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
(mA)
F
V
,
INST
ANT
ANEOUS
FOR
W
ARD
VOL
T
AGE
(V)
Fi
g
.
1
Forward
Characteristics
F
T
=
25
C
j
°
1
10
100
0.1
0.01
0
100
200
I
,
LEAKAGE
CURRENT
(
A)
R
T
,
JUNCTION
TEMPERA
TURE
(
C
)
Fig.
2
Leakage
Current
vs
Junction
Temperature
j
°
u
Device Marking
Item
Marking
Eqivalent Circuit diagram
1
3
B
AS19
B
AS20
B
AS21
JP
JR
JS
BAS21
JS
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