DS30100 Rev. 7 - 2 1 of 2 BAT42WS / BAT43WS
BAT42WS / BAT43WS
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
·Low Forward Voltage Drop
·Fast Switching
·Ultra-Small Surface Mount Package
·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
·BAT42WS Marking: S7
·BAT43WS Marking: S8
·Polarity: Cathode Band
·Weight: 0.004 grams (approx.)
Mechanical Data
A
B
C
D
E
G
a
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 IFM 200 mA
Average Rectified Output Current IO100 mA
Repetitive Peak Forward Current @ 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
VFM
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
Peak Reverse Current (Note 2) IRM ¾500
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
A 2.30 2.70
B 1.60 1.80
C 1.20 1.40
D 1.05 Typical
E 0.25 0.35
G 0.20 0.40
H 0.10 0.15
J 0.05 Typical
a0°8°
All Dimensions in mm
DS30100 Rev. 7 - 2 2 of 2 BAT42WS / BAT43WS
10
020 30 40
I , INSTANTANEOUS REVERSE CURRENT ( A
)
Rµ
V , INSTANTANEOUS REVERSE VOLTAGE (V)
Fi
g
.3 T
y
pical Reverse Characteristics
R
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 1.0
I , INSTANTANEOUS FORWARD CURRENT (mA
)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fi
g
.2 T
y
pical Forward Characteristics
F
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)
Fi
g
. 1 Forward Current Deratin
g
Curve
A°
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)
Fi
g
. 4 Total Capacitance vs. Reverse Volta
g
e
R
5.0
T = 25 C
j
°
f = 1MHz
Notes: 2. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Device Packaging Shipping
BAT42WS-7/BAT43WS-7 SOD-323 3000/Tape & Reel
Ordering Information (Note 2)
Marking Information
XX XX = Product Type Marking Code
See Sheet 1
