DATA SHEET
BAS40W/AW/CW/SW
SURFACE MOUNT SCHOTTKY DIODES
VOLTAGE
FEATURES
• Fast switching speed
.087(2.2)
.070(1.8)
.054(1.35)
.045(1.15)
40 Volts
CURRENT
0.2 Ampers
SOT-323
Unit: inch (mm)
Electrical identical standard JEDEC
• High conductor
• Both normal and Pb free product are available :
Normal : 80~95% Sn, 5~20% Pb
Pb free: 98.5% Sn above
.056(1.40)
.047(1.20)
.006(.15)
.002(.05)
MECHANICAL DATA
Case: SOT-323, Plastic
Terminals: Solderable per MIL-STD-202, Method 208
Approx. Weight: 0.0052 gram
Marking: S40,S42,S43,S44
.004(.10)MAX.
.016(.40)
.078(.20)
ABSOLUTE RATINGS
PA R A M E TE R
R ever e Volage
s
t
P eak R ever e Volage
s
t
A ver ge R ectfed C urentatTem p=25
O
C
a
ii
r
N on-epettve P eak For ar S ur e C urentatt 1. s
r
ii
w d
g
r
= 0
S ym bol
V
R
V
RRM
I
O
I
FSM
B A S 40W
B A S 40AW
40
40
0.
2
0.
6
B A S 40C W
B A S 40S W
U nis
t
V
V
A
A
THERMAL CHARACTERISTICS
PA R A M E TE R
P ow erD i si aton
s p i
Ther alR esi t nce ,Juncton t A m bi nt
m
sa
i o
e
Juncton Tem per t r
i
aue
S t r ge Tem per t r atTem p=25
O
C
oa
aue
C icui Fi ur
r t g e
S ym bol
P
TO T
Rθ
JA
T
J
TI
STG
S I G LE
N
B A S 40W
B A S 40AW
225
556
150
- 5 t 150
5 o
COM M ON
ANO D E
COM M ON
C ATH O D E
SERI S
E
O
B A S 40C W
.044(1.1)
.035(0.9)
B A S 40S W
.087(2.2)
.078(2.0)
• Surface mount package ideally suited for automatic insertion
.004(.10)MIN.
U nis
t
mW
C/
W
O
C
C
O
SINGLE
COMMON ANODE
COMMON CATHODE
SERIES
STAD-MAR.23.2004
PAGE . 1
ELECTRICAL CHARACTERISTICS
PA R A M E TE R
R ever e B r akdow n Volage
s
e
t
R ever e C urent
s
r
S ym bol
V
(BR)
I
R
I =10 uA
R
V
R
=30 V
V
R
=40 V
I=1. m A
F
0
I=10m A
F
I=40m A
F
V
R
=0V,f 1. M H
Z
= 0
TestC ondii n
to
MI.
N
40
-
-
TYP.
-
-
-
-
M AX.
-
-
1.
0
10
0. 8
3
0. 0
5
1. 0
0
5.
0
U nis
t
V
uA
For ar Volage
w d
t
V
F
-
-
-
-
V
Tot lC apaciance
a
t
C
T
-
-
-
-
pF
ELECTRICAL CHARACTERISTICS CURVE
100
100
FORWARD CURRENT, mA
10
REVERSE CURRENT, u A
10
T
A
=125 C
O
1.0
T
A
=75 C
O
0.1
1.0
T
A
=25 C
O
0.01
T
A
=25 C
O
0.1
0
0
0.4
0.6
0.8
1.0
0
10
20
30
40
FORWARD VOLTAGE, Volts
REVERSE VOLTAGE, Volts
FIG. 1-TYPICAL FORWARD CHARACTERISTIC
FIG. 2-TYPICAL REVERSE CHARACTERISTICS
JUNCTION CAPACITANCE, pF
AVERAGE FORWARD CURRENT, mA
3.0
400
2.0
300
200
1.0
100
0
0
10
20
30
40
0
50
100
150
O
200
REVERSE VOLTAGE, Volts
AMBIENT TEMPERATURE( C)
FIG. 4 FORWARD CURRENT DERATING
FIG. 3 TYPICAL JUNCTION CAPACITANCE
STAD-MAR.23.2004
PAGE . 2
MOUNTING PAD LAYOUT
SOT-323
Unit: inch (mm)
0.035(0.9)
0.025(0.65)
0.028(0.7)
ORDER INFORMATION
• Packing information
T/R - 12K per 13" plastic Reel
T/R - 3.0K per 7" plastic Reel
LEGAL STATEMENT
IMPORTANT NOTICE
This information is intended to unambiguously characterize the product in order to facilitate the customer's evaluation
of the device in the application. The information will help the customer's technical experts determine that the device is
compatible and interchangeable with similar devices made by other vendors. The information in this data sheet is believed
to be reliable and accurate. The specifications and information herein are subject to change without notice. New products
and improvements in products and product characterization are constantly in process. Therefore, the factory should be
consulted for the most recent information and for any special characteristics not described or specified.
Copyright Pan Jit International Inc. 2003
All rights reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright
owner.
The information presented in this document does not form part of any quotation or contract. The information presented is
believed to be accurate and reliable, and may change without notice in advance. No liability will be accepted by the
publisher for any consequence of use.Publication thereof does not convey nor imply any license under patent or other
industrial or intellectual property rights.
STAD-MAR.23.2004
0.075(1.9)
PAGE . 3
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