BAT42WS / BAT43WS
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
• Low Forward Voltage Drop
• Fast Switching
• Ultra-Small Surface Mount Package
• Lead, Halogen and Antimony Free, RoHS Compliant "Green"
Device (Notes 3 and 4)
Mechanical Data
• Case: SOD-323
• Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020D
• Leads: 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: 0.004 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 (Note 1) PD 200 mW
Thermal Resistance Junction to Ambient Air (Note 1) RθJA 625 °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 Both Types
BAT42WS
BAT42WS
BAT43WS
BAT43WS
VF
⎯
⎯
⎯
0.26
⎯
1.0
0.40
0.65
0.33
0.45
V
IF = 200mA
IF = 10mA
IF = 50mA
IF = 2.0mA
IF = 15mA
Reverse Current (Note 2) IR ⎯ 500
100 nA
μA VR = 25V
VR = 25V, TJ = 100°C
Total Capacitance CT ⎯ 10 pF VR = 1.0, 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 FR4 PC 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.
BAT42WS / BAT43WS
Document number: DS30100 Rev. 13 - 2 1 of 3
www.diodes.com July 2008
© Diodes Incorporated
Please click here to visit our online spice models database.
BAT42WS / BAT43WS
10
020 30 40
V , INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 2 Typical Reverse Characteristics
R
T = 125ºC
A
T = 75ºC
A
T = 25ºC
A
100
10
1.0
0.1
0.01
1,000
I , INSTANTANEOUS REVERSE CURRENT (µA)
R
0.1
1.0
10
100
0200
400 600 800
I, I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
WA
R
D
C
U
R
R
E
N
T
(mA)
F
V , INSTANT ANEOUS FORWARD VOLTAGE (mV)
Fig. 1 Typical Forward Characteristics
F
T = -25ºC
A
T = 25ºC
A
T = 125ºC
A
T = 75ºC
A
1.0
10
100
01510 25 30 35
20 40
C
,
T
O
T
AL
C
A
P
A
C
I
T
AN
C
E (p
F
)
T
V , DC REVERSE VOLTAGE (V)
Fig. 3 Total Capacitance vs. Reverse Voltage
R
5.0
T = 25C
J
°
f = 1MHz
00
20
40
25 50 75 100 125 150
I, AVE
R
A
G
E
R
E
C
T
I
F
IED
C
U
R
R
EN
T
(mA)
O
T , AMBIENT T EMPERATURE ( C)
Fig. 4 Forward Current Derating Curve
A
°
60
80
100
T = 125C
J
°
Ordering Information (Note 5)
Part Number Case Packaging
BAT42WS-7-F SOD-323 3000/Tape & Reel
BAT43WS-7-F SOD-323 3000/Tape & Reel
Notes: 5. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
XX
xx = Product Type Marking Code,
S7 = BAT42WS
S8 = BAT43WS
BAT42WS / BAT43WS
Document number: DS30100 Rev. 13 - 2 2 of 3
www.diodes.com July 2008
© Diodes Incorporated
BAT42WS / BAT43WS
Document number: DS30100 Rev. 13 - 2 3 of 3
www.diodes.com July 2008
© Diodes Incorporated
BAT42WS / BAT43WS
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.
SOD-323
Dim Min Max
A 0.25 0.35
B 1.20 1.40
C 2.30 2.70
H 1.60 1.80
J 0.00 0.10
K 1.0 1.1
L 0.20 0.40
M 0.10 0.15
α 0° 8°
All Dimensions in mm
K
L
MJ
C
H
BA
Z
X
C
G
Y
Dimensions Value (in mm)
3.75
Z 1.05
G 0.65
X
Y 1.35
C 2.40