DS30016 Rev. 5 - 2
1 of 2
BAT42W/BAT43W
BAT42W / BAT43W
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
Mechanical Data
Low Forward Voltage Drop
Fast Switching Time
Surface Mount Package Ideally Suited for
Automatic Insertion
Case: SOD-123, Plastic
Case material - UL Flammability Rating
Classification 94V-0
Moisture sensitivity: Level 1 perJ-STD-020A
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity: Cathode Band
Marking: Date Code & Type Code, See Page 2
Type Codes: BAT42W S7
BAT43W S8
Weight: 0.01 grams (approx.)
Ordering Information: See Page 2
A
B
C
D
E
G
a
H
J
Characteristic
Symbol
BAT42W / BAT43W
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
30
V
RMS Reverse Voltage
V
R(RMS)
21
V
Forward Continuous Current (Note 1)
I
FM
200
mA
Repetitive Peak Forward Current (Note 1)
@ t < 1.0s
I
FRM
500
mA
Non-Repetitive Peak Forward Surge Current @ t < 10ms
I
FSM
4.0
A
Power Dissipation
P
d
200
mW
Thermal Resistance Junction to Ambient Air (Note 1)
R
qJA
500
C/W
Operating and Storage Temperature Range
T
j
, T
STG
-55 to +125
C
Maximum Ratings
@ T
A
= 25C unless otherwise specified
Notes:
1. Part mounted on FR-4 board with recommended pad layout, which can be found on ourwebsite
at http://www.diodes.com/datasheets/ap02001.pdf.
2. Short duration pulse test used to minimize self-heating effect.
Characteristic
Symbol
Min
Max
Unit
Test Condition
Reverse Breakdown Voltage (Note 2)
V
(BR)R
30
V
I
R
= 100mA
Forward Voltage Drop (Note 2)
All Types
BAT42W
BAT42W
BAT43W
BAT43W
V
FM
0.26
1.0
0.40
0.65
0.33
0.45
V
I
F
= 200mA
I
F
= 10mA
I
F
= 50mA
I
F
= 2.0mA
I
F
= 15mA
Peak Reverse Current (Note 2)
I
RM
500
100
nA
mA
V
R
= 25V
V
R
= 25V, T
j
= 100C
Total Capacitance
C
T
10
pF
V
R
= 1.0V, f = 1.0MHz
Reverse Recovery Time
t
rr
5.0
ns
I
F
= I
R
= 10mA,
I
rr
= 0.1 x I
R
, R
L
= 100W
Rectification Efficiency
hv
80
%
R
L
= 15W, C
L
= 300pF,
f = 45MHz, V
RF
= 2.0V
Electrical Characteristics
@ T
A
= 25C unless otherwise specified
SOD-123
Dim
MinMax
A
3.55
3.85
B
2.55
2.85
C
1.40
1.70
D
--
1.35
E
0.55 Typical
G
0.25
--
H
0.11 Typical
J
--
0.10
a
0
8
All Dimensions in mm
DS30016 Rev. 5 - 2
2 of 2
BAT42W/BAT43W
0
50
0
50
125
175
P,
P
O
WER
DISSIP
AT
I
O
N
(mW)
d
T , AMBIENT TEMPERATURE ( C)
Fig. 1 Power Derating Curve
A
250
25
150
75
100
100
150
200
XX = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
XX
YM
Marking Information
Notes:
3. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Device
Packaging
Shipping
BAT42W-7
SOD-123
3000/Tape & Reel
BAT43W-7
SOD-123
3000/Tape & Reel
Ordering Information
(Note 3)
Month
Jan
Feb
March
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Code
1
2
3
4
5
6
7
8
9
O
N
D
Year
1998
1999
2000
2001
2002
2003
2004
2005
Code
J
K
L
M
N
P
R
S
Date Code Key
PDF 
ZIP