
BAT42W. BAT43W
SURF ACE MOUNT SCHOTTKY BARRIER DIODES
VOLTAGE
30 Volts
CURRENT
0.2 Amperes
FEATURES
• Low turn-on voltage
• Fast switching
• PN Junction Guard Ring for Transient and ESD Protection.
MECHANICAL DATA
• Case: SOD-123, Molded Plastic
• Terminals: Solderable per MIL-STD-202, Method 208
• Polarity: See Diagram Below
• Approx. Weight: 0.008 grams
• Mounting Position: Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
SOD-123
retemaraP lobmyS
egatloVesreveRkaePtnerruceRmumixaM
egatloVSMRmumixaM
egatloVgnikcolBCDmumixaM
O
52=aTtatnerruCdrawroFegarevAmumixaM
C
flahelgnissm3.8,tnerruCegruSdrawroFkaeP
)dohtemCEDEJ(daoldetarnodesopmirepusevaw-enis
egatloVdrawroFsuoenatnatsnImumixaM
egatloVgnikcolBCDdetaRtatnerruCesreveRCDmumixaM
ecnatsiseRlamrehTmumixaM
egnaRerutarepmeTnoitcnuJgnitarepO
egnaRerutarepmeTegarotS
V
RRM
V
RMS
V
I
AV
I
FSM
V
I
Rθ LJ
Rθ AJ
T
T
STG
DC
F
R
J
W24TAB W34TAB stinU
0303V
12 12 V
0303V
2.0 2.0 A
0.40.4A
A10.0/4.0
A2.0/0.1
500.0500.0Am
512
003
521+OT55-
521+OT55-
A20.0/33.0
A2.0/0.1
512
003
V
O
W/C
O
C
O
C
Part Number: BAT42W. BAT43W PAGE 1

RATING and CHARACTERISTIC CURVES
10,000
O
TJ=100 C
1,000
O
TJ=75 C
REVERSE CURRENT, Ampsm
100
010152025
5
REVERSE VOLTAGE, Volts
TYPICAL REVERSE CURRENT
10
1
0.1
0.01
REVERSE CURRENT, Ampsm
0.001
10 20 2553003515
REVERSE VOLTAGE, Volts
TJ=25 C
O
0.1
O
TJ=100 C
O
0. 1
0.0 1
INSTANTANEOUS FORWARD CURRENT AMPERS
0.1 0.2 0.3 0.4 0.5
TJ=25 C
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
TYPICAL FORWARD VOLTAGE
800
700
F10
P
-2
600
500
400
CAPACITANCE,
300
200
100
0 5 10 15 20 25
REVERSE VOLTAGE, Volts
TYPICAL JUNCTION CAPACITANCE
MPS
AVERAGE FORWARD CURRENT,A
TYPICAL REVERSE CURRENT
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
20
30 40 50 60 70 80 90 100 110
AMBIENT LEAD TEMPERATURE, C
130
120
O
CURRENT DERATING
Part Number: BAT42W. BAT43W PAGE 2

OUTLINE DRAWING
.028 (0.70)
.019 (0.50)
SOD-123
.154 (3.90)
.141 (3.60)
.110 (2.80)
.098 (2.50)
.071 (1.80)
.053 (1.35)
.055 (1.40)
.037 (.95)
.008 (.20) MAX.
.005 (.12) MAX. .016 (.40) MIN.
Dimensions in inches and (millimeters)
© Copyright PanjIt International Inc. 2001
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.
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Publication thereof does not convey nor imply any license under patent or other industrial or intellectual property rights.
PanJit Internatioal Inc.
TEL:886-7-6213121 Fax:886-7-6213129 Internet: http://www.panjit.com.tw email: sales@panjit.com.tw
Part Number: BAT42W. BAT43W PAGE 3