DS30100 Rev. 9 - 2 1 of 2 BAT42WS / BAT43WS
www.diodes.com ã Diodes Incorporated
BAT42WS / BAT43WS
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
·Low Forward Voltage Drop
·Fast Switching
·Ultra-Small Surface Mount Package
·Also Available in Lead Free Version
·Case: SOD-323, Plastic
·Case material - UL Flammability Rating
Classification 94V-0
·Moisture sensitivity: Level 1 per J-STD-020A
·Leads: Solderable per MIL-STD-202,
Method 208
·Also Available in Lead Free Plating (Matte Tin
Finish). Please see Ordering Information,
Note 4, on Page 2
·BAT42WS Marking: S7
·BAT43WS Marking: S8
·Polarity: Cathode Band
·Weight: 0.004 grams (approx.)
Mechanical Data
A
B
C
D
E
G
H
J
Characteristic Symbol BAT42WS / BAT43WS 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
Power Dissipation (Note 1) Pd200 mW
Thermal Resistance Junction to Ambient Air (Note 1) RqJA 625 °C/W
Operating and Storage Temperature Range Tj,T
STG -55 to +125 °C
Maximum Ratings @ TA= 25°C unless otherwise specified
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 2) V(BR)R 30 ¾VIR = 100mA
Forward Voltage Drop (Note 2) Both Types
BAT42WS
BAT42WS
BAT43WS
BAT43WS
VF
¾
¾
¾
0.26
¾
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) IR¾500
100
nA
mA
VR = 25V
VR = 25V, Tj = 100°C
Total Capacitance CT¾10 pF VR = 1.0, f = 1.0MHz
Reverse Recovery Time trr ¾5.0 ns IF = IR = 10mA,
Irr = 0.1 x IR,R
L = 100W
Electrical Characteristics @ TA= 25°C unless otherwise specified
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 test pulse used to minimize self-heating effect.
SOD-323
Dim Min Max
A2.30 2.70
B1.60 1.80
C1.20 1.40
D1.05 Typical
E0.25 0.35
G0.20 0.40
H0.10 0.15
J0.05 Typical
a0°8°
All Dimensions in mm
SPICE MODELS: BAT42WS BAT43WS
DS30100 Rev. 9 - 2 2 of 2 BAT42WS / BAT43WS
www.diodes.com
10
020 30 40
V , INSTANTANEOUS REVERSE VOLTAGE (V)
R
Fi
g
.3 T
y
pical Reverse Characteristics
T = 125ºC
A
T = 75ºC
A
T = 25ºC
A
100
10
1.0
0.1
0.01
1000
0.1
1.0
10
100
0 200 400 600 800
I , INSTANTANEOUS FORWARD CURRENT (mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (mV)
F
Fi
g
.2 T
y
pical Forward Characteristics
T = -25ºC
A
T = 25ºC
A
T = 125ºC
A
T = 75ºC
A
0
0
20
40
25 50 75 100 125 150
I , AVERAGE RECTIFIED CURRENT (mA)
O
T , AMBIENT TEMPERATURE (°C)
A
Fi
g
. 1 Forward Current Deratin
g
Curve
60
80
100
T=125°C
j
1.0
10
100
015
10 25 30 35
20 40
C , TOTAL CAPACITANCE (pF)
T
V , REVERSE VOLTAGE (V)
R
Fi
g
. 4 Total Capacitance vs. Reverse Volta
g
e
5.0
T=25°C
j
f=1MHz
Notes: 3. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
4. For Lead Free version (with Lead Free terminal finish) part number, please add "-F" suffix to part number above.
Example: BAT43WS-7-F.
Device Packaging Shipping
BAT42WS-7
BAT43WS-7 SOD-323 3000/Tape & Reel
Ordering Information (Note 3)
Marking Information
XX XX = Product Type Marking Code
See Sheet 1
