BAT42W-BAT43W
SCHOTTKY DIODES
SOD-123
1.80(.071)
1.40(.055)
1.65(.065)
1.55(.061)
FEATURES
Low forward voltage drop
Fast switching time
Surface mount package ideally suited
for automatic insertion
3.86(0.152)
3.56(0.145)
2.84(0.112)
2.54(0.100)
3.9(0.154)
3.7(0.146)
2.7(0.106)
2.6(0.102)
.71(0.028)
.50(0.020)
.15(.006)
MAX
1.35(.053)
.94(.037)
.135(.005)
.127(.004)
0.6(.023)
0.5(.020)
1.15(.045)
1.05(.041)
MECHANICAL DATA
Case:
Molded plastic body
Terminals:
Plated leads solderable per MIL-STD-750,
Method 2026
Polarity:
Polarity symbols marked on case
Marking:
BAT42W:S7, BAT43W:S8
.25(.010)
MIN
Dimensions in millimeters and (inches)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Maximum ratings and electrical characteristics, Single diode @T
A
=25C
PARAMETER
Peak repetitive peak reverse voltage
Working peak
DC Blocking voltage
RMS Reverse voltage
Forward continuous current
Repetitive peak forward current @t<1.0s
Peak forward surge current @t<10ms
Power dissipation
Thermal resistance junction to ambient
Storage temperature
Electrical ratings @T
A
=25C
PARAMETER
Reverse breakdomn voltage
All types
BAT42W
BAT42W
BAT43W
BAT43W
SYMBOLS
SYMBOLS
BAT42W/BAT3W
30
21
200
500
4.0
200
500
-55 to +125
UNITS
VOLTS
V
mA
mA
A
mW
K/W
C
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
I
FRM
I
FSM
Pd
R
ΘJA
T
STG
Min.
30
Typ.
Max.
1.0
0.4
Unit
V
V
V
V
V
V
Forward voltage
V
(BR)R
V
F
V
F
V
F
V
F
V
F
I
R
C
T
t
rr
Conditions
I
R
=100uA
I
F
=200mA
I
F
=10mA
I
F
=50mA
I
F
=2mA
I
F
=15mA
V
R
=25V
V
R
=1V,f=1.0MHz
I
F
=I
R
=10mA
Irr=0.1XI
R
,R
L
=100
0.26
0.65
0.33
0.45
0.5
10
5
Reverse current
Capacitance between terminals
Reverse recovery time
uA
pF
ns
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RATINGS AND CHARACTERISTIC CURVES BAT42WE/BAT43W
FIG. 1- FORWARD CURRENT DERATING CVRVE
100
I
F
,INSTANTANEOUS FORWARD CURRENT(mA)
FIG. 2-TYPICAL FORWARD CHARACTERISTIC
100
T
A
=125
C
I
FM
.FORWARD CURRENT(mA)
80
60
10
T
A
=75
C
T
A
=25
C
40
TJ=125
C
20
T
A
=-25
C
1
0
0
0.1
0
200
400
600
800
25
50
75
100
125
150
T
A
,AMBIENT TEMPERATURE(
C
)
V
F
INSTANTANEOUS FORWARD VOLTAGE (mV)
I
R
,INSTANTANEOUS REVERSE CURRENT(
u
A)
FIG. 3- TYPICAL REVERSE CHARACTERISTICS
1000
100
FIG. 4- TOTAL CAPACITANCE
VS REVERSE VOLTAGE
100
T
A
=125
C
10
T
A
=75
C
C
T
, TOTAL CAPACITANCE (pF)
10
1.0
0.1
T
A
=25
C
T
A
=125
C
f=1MHz
0.01
0
10
20
30
40
1.0
0
10
20
30
40
V
R,
INSTANTANEOUS REVERSE VOLTAGE.(V)
V
R,
REVERSE VOLTAGE.(V)
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