WTE
POWER SEMICONDUCTORS
BAS40W / AW / CW / SW
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
!
!
!
Low Turn-on Voltage
A
L
Fast Switching
PN Junction Guard Ring for Transient and
ESD Protection
!
Designed for Surface Mount Application
B
!
Plastic Material – UL Recognition Flammability
Classification 94V-O
TOP VIEW
C
M
E
H
D
Dim
A
B
C
D
E
G
H
J
K
L
M
SOT-323
Min
Max
0.30
0.40
1.15
1.35
2.00
2.20
0.65 Nominal
0.30
0.40
1.20
1.40
1.80
2.20
—
0.10
0.90
1.10
0.25
—
0.05
0.15
Mechanical Data
!
!
!
!
!
Case: SOT-323, Molded Plastic
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: See Diagrams Below
Weight: 0.006 grams (approx.)
Mounting Position: Any
K
J
G
All Dimensions in mm
TOP VIEW
TOP VIEW
TOP VIEW
TOP VIEW
BAS40W Marking: S40
BAS40AW Marking: S42
BAS40CW Marking: S43
BAS40SW Marking: S44
@T
A
=25°C unless otherwise specified
Maximum Ratings and Electrical Characteristics, Single Diode
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Forward Continuous Current (Note 1)
Forward Surge Current (Note 1)
Power Dissipation (Note 1)
Typical Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Note: 1. Device on fiberglass substrate.
@ t < 1.0s
Symbol
V
RRM
V
RWM
V
R
I
F
I
FSM
P
d
R
JA
T
j
, T
STG
Value
Unit
40
200
600
200
625
-55 to +150
V
mA
mA
mW
°C/W
°C
BAS40W/AW/CW/SW
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© 2003 Won-Top Electronics
Maximum Ratings and Electrical Characteristics, Single Diode
Characteristic
Reverse Breakdown Voltage
Symbol
V
(BR)R
Min
40
Typ
—
Max
—
380
500
1000
200
5.0
5.0
Unit
V
@T
A
=25°C unless otherwise specified
Test Condition
@ I
R
= 10µA
@ I
F
= 1.0mA, t
p
< 300µs
@ I
F
= 10mA, t
p
< 300µs
@ I
F
= 40mA, t
p
< 300µs
@ V
R
= 30V, t
p
< 300µs
V
R
= 0V, f = 1.0MHz
I
F
= 10mA through I
R
= 10mA
to I
R
= 1.0mA, R
L
= 100
Forward Voltage
Reverse Leakage Current
Junction Capacitance
Reverse Recovery Time
V
F
I
R
C
j
t
rr
—
—
—
—
—
20
4.0
—
mV
nA
pF
nS
I
R
, INSTANTANEOUS REVERSE CURRENT (nA)
I
F
, INSTANTANEOUS FORWARD CURRENT (A)
1
10000
T
A
= 125ºC
1000
T
A
= 75ºC
0.1
100
0.01
T
A
= -40ºC
T
A
= 0ºC
T
A
= 25ºC
T
A
= 25ºC
10
T
A
= 0ºC
0.001
1
T
A
= -40ºC
T
A
= 75ºC
T
A
= 125ºC
0.0001
0
0.2
0.4
0.6
0.8
1.0
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Typical Forward Voltage
0.1
0
10
20
30
40
V
R
, INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 2 Typical Reverse Characteristics
250
3
C
T
, TOTAL CAPACITANCE (pF)
f = 1MHz
P
d
, POWER DISSIPATION (mW)
0
10
20
30
40
200
2
150
100
1
50
0
0
0
100
200
T
A
, AMBIENT TEMPERATURE (ºC)
Fig. 4 Power Derating Curve, Total Package
V
R
, REVERSE VOLTAGE (V)
Fig. 3 Typical Capacitance
BAS40W/AW/CW/SW
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of 3
© 2003 Won-Top Electronics
ORDERING INFORMATION
Product No.
!
BAS40W-T1
BAS40W-T3
BAS40AW-T1
BAS40AW-T3
BAS40CW-T1
BAS40CW-T3
BAS40SW-T1
BAS40SW-T3
Package Type
SOT-323
SOT-323
SOT-323
SOT-323
SOT-323
SOT-323
SOT-323
SOT-323
Shipping Quantity
3000/Tape & Reel
10000/Tape & Reel
3000/Tape & Reel
10000/Tape & Reel
3000/Tape & Reel
10000/Tape & Reel
3000/Tape & Reel
10000/Tape & Reel
Products listed in
bold
are WTE
Preferred
devices.
!
T1 suffix refers to a 7” reel. T3 suffix refers to a 13” reel.
Shipping quantity given is for minimum packing quantity only. For minimum order
quantity, please consult the Sales Department.
RECOMMENDED FOOTPRINT
0.035
(0.90)
0.075
(1.90)
0.035
(0.90)
0.028
(0.70)
0.025
(0.64)
inches(mm)
Won-Top Electronics Co., Ltd (WTE) has checked all information carefully and believes it to be correct and accurate. However, WTE cannot assume any
responsibility for inaccuracies. Furthermore, this information does not give the purchaser of semiconductor devices any license under patent rights to
manufacturer. WTE reserves the right to change any or all information herein without further notice.
WARNING:
DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life
support devices or systems without the express written approval.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, Taiwan
Phone:
886-7-822-5408 or 886-7-822-5410
Fax:
886-7-822-5417
Email:
sales@wontop.com
Internet:
http://www.wontop.com
We power your everyday.
© 2003 Won-Top Electronics
BAS40W/AW/CW/SW
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