DS30098 Rev. 4 - 2
1 of 2
BAT54WS
BAT54WS
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
Low Forward Voltage Drop
Fast Switching
Ultra-Small Surface Mount Package
PN Junction Guard Ring for Transient and
ESD Protection
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
Marking: L9
Polarity: Cathode Band
Weight: 0.004 grams (approx.)
Mechanical Data
A
B
C
D
E
G
a
H
J
Maximum Ratings
@ T
A
= 25
C unless otherwise specified
Characteristic
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
30
V
RMS Reverse Voltage
V
R(RMS)
21
V
Average Rectified Forward Current
I
O
100
mA
Forward Continuous Current (Note 1)
I
F
200
mA
Repetitive Peak Forward Current (Note 1)
I
FRM
300
mA
Forward Surge Current (Note 1)
@ t < 1.0s
I
FSM
600
mA
Power Dissipation (Note 1)
P
d
200
mW
Thermal Resistance, Junction to Ambient Air (Note 1)
R
qJA
625
C/W
Operating and Storage Temperature Range
T
j
, T
STG
-65 to +125
C
Notes:
1. Part mounted on FR-4 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.
Characteristic
Symbol
Min
Typ
Max
Unit
Test Condition
Reverse Breakdown Voltage (Note 2)
V
(BR)R
30
V
I
RS
= 100
mA
Forward Voltage (Note 2)
V
FM
240
320
400
500
1000
mV
I
F
= 0.1mA
I
F
=
1mA
I
F
=
10mA
I
F
=
30mA
I
F
= 100mA
Reverse Leakage Current (Note 2)
I
RM
2.0
mA
V
R
= 25V
Total Capacitance
C
T
10
pF
V
R
= 1.0V, f = 1.0MHz
Reverse Recovery Time
t
rr
5.0
ns
I
F
= 10mA through I
R
= 10mA
to I
R
= 1.0mA, R
L
= 100
W
Electrical Characteristics
@ T
A
= 25
C unless otherwise specified
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
a
0
8
All Dimensions in mm
DS30098 Rev. 4 - 2
2 of 2
BAT54WS
L9
Product Type Code Marking
Cathode Band
Marking Information
Notes:
3. For Packaging Details, go to our website at: http://www.diodes.com/datasheets/ap02007.pdf.
Device
Packaging
Shipping
BAT54WS-7
SOD-323
3000/Tape & Reel
Ordering Information
(Note 3)
0.1
1
1000
100
10
0
50
100
150
I
,
LEAKAGE
CURRENT
(
A)
R
T , JUNCTION TEMPERATURE ( )
Fig. 3, Typical Reverse Characteristics
j
C
V = 25V
R
0.1
1
1000
100
10
0
100 200 300 400
600
500
I
,
INST
ANT
ANE
O
US
F
O
R
W
ARD
CURRENT
(mA)
F
T , INSTANTANEOUS FORWARD VOLTAGE (mV)
Fig. 2, Typical Forward Characteristics
j
T = -25C
A
T = +25C
A
T = +125C
A
T = +100C
A
0
100
0
25
50
75
100
125
P
POWER
DISSIP
A
T
ION
(
mW)
d,
T , AMBIENT TEMPERATURE ( C)
Fig. 1 Power Derating Curve
A
200
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