BAS19/BAS20
BAS21
Surface Mount Switching Diode
Features:
*Fast Switching Speed
*Surface Mount Package Ideally Suited for
Automatic Insertion
*High Conductance
*For General Purpose Switching Applications
Mechanical Data:
*Case: SOT-23 Molded Plastic
*Terminals: Solderable Per MIL-STD-202, Method 208
*Polarity: See Eqivalent Circuit Diagram
*Weight: 0.008grams(approx)
SWITCHING DIODE
200mAMPERS
120-250VOLTS
3
1
2
SOT-23
SOT-23 Outline Dimensions
A
Unit:mm
TOP VIEW
B
C
E
G
H
D
K
L
J
M
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
WEITRON
BAS19/BAS20
BAS21
Maximum Ratings
Characteristic
Non-Repetitive
Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Forward Continuous Current
(1)
Average Rectified Output Current
(1)
Non-Repetitive
Peak Forward Surge Current
@t=1.0us
@t=1.0s
Power Dissipation
Thermal Resistance Junction to
Ambient Air
(1)
Operating and Storage
Temperature Range
WE IT R ON
Symbol
BAS19
120
100
(TA=25 C Unless otherwise noted)
BAS20
200
150
400
200
BAS21
250
200
Unit
Volts
Volts
mA
mA
V
RM
V
RRM
V
RWM
V
R
IFM
Io
IFSM
2.5
0.5
250
500
A
mW
K/W
C
Pd
R
θ
JA
T j ,T
STG
-65 to +150
Electrical Characteristics
Characteristic
Forward Voltage
IF =100mA
IF =200mA
(TA=25 C Unless otherwise noted)
Symbol
VF
IR
Cj
Min
-
-
-
Max
1.0
1.25
Unit
Volts
nAdc
PF
nS
Reverse Leakage
@Rated DC Blocking Voltage
Total Capacitance
(VR=1.0V, f=1.0MHz)
Reverse Recovery Time
IF=IR =30mA
Irr=0.1*IR ,RL=100
Ω
100
5.0
trr
50
NOTE:
1. Valid provided that terminals are kept at ambient temperature.
WEITRON
BAS19/BAS20
BAS21
Device Marking
Item
BAS19
BAS20
BAS21
Marking
JP
JR
JS
JS
3
1
Eqivalent Circuit diagram
(mA)
1000
T
j
= 25
°
C
100
I
F
, INST ANT ANEOUS FOR WARD CURRENT
(
u
A)
CURRENT
100
10
10
1
I
R
, LEAKAGE
0
1
2
1.0
0.1
0.1
0.01
V
F
, INST ANT ANEOUS FOR WARD VOL TAGE (V)
Fi g. 1 Forward Characteristics
0.01
0
100
200
T
j
, JUNCTION TEMPERA TURE (
°
C )
Fig. 2 Leakage Current vs Junction Temperature
WEITRON
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