BAT42W / BAT43
W
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
• Low Forward Voltage Drop
• Fast Switching Time
• Surface Mount Package Ideally Suited for Automated Insertion
• Lead, Halogen and Antimony Free, RoHS Compliant "Green"
Device (Notes 3 and 4)
Mechanical Data
• Case: SOD-123
• Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020D
• Terminals: Solderable per MIL-STD-202, Method 208
• Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
• Polarity: Cathode Band
• Marking Information: See Page 2
• Ordering Information: See Page 2
• Weight: 0.01 grams (approximate)
Top View
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR 30 V
RMS Reverse Voltage VR(RMS) 21 V
Forward Continuous Current (Note 1) IFM 200 mA
Repetitive Peak Forward Current (Note 1) @ t < 1.0s IFRM 500 mA
Non-Repetitive Peak Forward Surge Current @ t < 10ms IFSM 4.0 A
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation PD 200 mW
Thermal Resistance Junction to Ambient Air (Note 1) RθJA 500 °C/W
Operating and Storage Temperature Range TJ, TSTG -55 to +125 °C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 2) V(BR)R 30 ⎯ V IR = 100μA
Forward Voltage Drop All Types
BAT42W
BAT42W
BAT43W
BAT43W
VFM
⎯
⎯
⎯
0.26
⎯
1.0
0.40
0.65
0.33
0.45
V
IF = 200mA
IF = 10mA
IF = 50mA
IF = 2.0mA
IF = 15mA
Peak Reverse Current (Note 2) IRM ⎯ 500
100 nA
μA VR = 25V
VR = 25V, TJ = 100°C
Total Capacitance CT ⎯ 10 pF VR = 1.0V, f = 1.0MHz
Reverse Recovery Time trr ⎯ 5.0 ns IF = IR = 10mA,
Irr = 0.1 x IR, RL = 100Ω
Notes: 1. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
2. Short duration pulse test used to minimize self-heating effect.
3. No purposefully added lead. Halogen and Antimony Free.
4. Product manufactured with Data Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code V9 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
BAT42W / BAT43W
Document number: DS30016 Rev. 17 - 2 1 of 3
www.diodes.com July 2008
© Diodes Incorporated
BAT42W / BAT43
W
0.1
1.0
10
100
0200
400 600 800
I , INS
T
AN
T
ANE
O
U
S
F
O
R
WA
R
D
C
U
R
R
EN
T
(mA)
F
V , INSTANTANEOUS FORW ARD VOLTAGE (mV)
Fig. 1 Typ ical Forw ar d C haracteristics
F
T = -25ºC
A
T = 25ºC
A
T = 125ºC
A
T = 75ºC
A
1002030
V , INSTANTANEOUS REVERSE VOL TAGE (V)
Fig. 2 Typical Reverse Characteristics
R
40
T = 125ºC
A
T = 75ºC
A
T = 25ºC
A
100
10
1.0
0.1
0.01
1,000
I , INSTANT ANEOUS REVERSE CURRENT (µA)
R
1.0
10
100
015
10 25 30 3520 40
V , DC REVERSE VOLTAGE (V)
Fig. 3 Total Capacitance vs. Reverse V oltage
R
5.0
T = 25C
J
°
f = 1MHz
C , T OTAL CAPACITANCE (pF)
T
00
40
80
25 50 75 100 125 150
I
F
O
R
WA
R
D
C
U
R
R
EN
T
(mA)
F,
T , AM BIENT T EMPERATURE ( C)
Fig. 4 Forward Current Derating Curve
A
°
120
160
200
T = 125 C
J
°
Ordering Information (Note 5)
Part Number Case Packaging
BAT42W-7-F SOD-123 3000/Tape & Reel
BAT43W-7-F SOD-123 3000/Tape & Reel
Notes: 5. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
xx = Product Type Marking Code
S7 = BAT42W
S8 = BAT43W
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
XX
YM
Date Code Key
Year 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
Code M N P R S T U V W X Y Z A B C
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1 2 3 4 5 6 7 8 9 O N D
BAT42W / BAT43W
Document number: DS30016 Rev. 17 - 2 2 of 3
www.diodes.com July 2008
© Diodes Incorporated
BAT42W / BAT43W
Document number: DS30016 Rev. 17 - 2 3 of 3
www.diodes.com July 2008
© Diodes Incorporated
BAT42W / BAT43
W
Package Outline Dimensions
Suggested Pad Layout
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product
described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall
assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website,
harmless against all damages. LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
K
L
M
C
H
BA
SOD-123
Dim Min Max
A 0.55 Typ
B 1.40 1.70
C 3.55 3.85
H 2.55 2.85
J 0.00 0.10
K 1.00 1.35
L 0.25 0.40
M 0.10 0.15
α 0 8°
All Dimensions in mm
Z
X
C
G
Y
Dimensions Value (in mm)
Z 4.9
G 2.5
X 0.7
Y 1.2
C 3.7
