WTE
POWER SEMICONDUCTORS
BAS19WS – BAS21WS
SURFACE MOUNT FAST SWITCHING DIODE
Features
!
High Conductance
!
!
Fast Switching Speed
Surface Mount Package Ideally Suited for
Automatic Insertion
For General Purpose Switching Application
Plastic Material – UL Recognition Flammability
Classification 94V-O
A
SOD-323
Dim
A
Min
2.30
1.75
1.15
0.25
0.05
0.70
0.30
Max
2.70
1.95
1.35
0.35
0.15
0.95
—
!
!
C
D
B
B
C
ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ
D
E
G
E
Mechanical Data
!
!
G
H
Case: SOD-323, Molded Plastic
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: Cathode Band
Weight: 0.004 grams (approx.)
Marking: BAS19WS A8
BAS20WS A80
All Dimensions in mm
!
!
!
H
BAS21WS A82
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Symbol
BAS19WS
BAS20WS
BAS21WS
Unit
Non-Repetitive Peak Reverse Voltage
VRM
120
200
250
V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
100
70
150
200
140
V
RMS Reverse Voltage
VR(RMS)
105
400
200
V
Forward Continuous Current (Note 1)
Average Rectified Output Current (Note 1)
IF
mA
mA
IO
Non-Repetitive Peak Forward Surge Current
@ t = 1.0µs
@ t = 1.0s
2.5
0.5
IFSM
A
Power Dissipation
Pd
200
625
mW
K/W
°C
Typical Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
RꢀJA
Tj, TSTG
-65 to +150
Electrical Characteristics @TA=25°C unless otherwise specified
Characteristic
Symbol
BAS19WS
BAS20WS
BAS21WS
Unit
Forward Voltage Drop
@ IF = 100mA
VFM
IRM
Cj
1.0
100
5.0
50
V
Peak Reverse Leakage Current @ Rated DC Blocking Voltage
Typical Junction Capacitance (VR = 0V DC, f = 1.0MHz)
Reverse Recovery Time (Note 2)
nA
pF
nS
trr
Note: 1. Valid provided that terminals are kept at ambient temperature.
2. Measured with IF = IR = 30mA, IRR = 0.1 x IR, RL = 100ꢀ.
BAS19WS – BAS21WS
1 of 3
© 2002 Won-Top Electronics