DS30259 Rev. 3 - 2
1 of 2
BAT54T /AT /CT /ST
BAT54T /AT /CT /ST
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
Case: SOT-523, Molded Plastic
Case material - UL Flammability Rating 94V-0
Moisture sensitivity: Level 1 per J-STD-020A
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity: See Diagrams Below
Marking: See Diagrams Below & Page 2
Weight: 0.002 grams (approx.)
Ordering Information, see Page 2
Mechanical Data
Maximum Ratings
@ T
A
= 25C unless otherwise specified
Ultra-Small Surface Mount Package
Low Forward Voltage Drop
Fast Switching
PN Junction Guard Ring for Transient and
ESD Protection
Characteristic
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
30
V
Forward Continuous Current (Note 1)
I
FM
200
mA
Repetitive Peak Forward Current
I
FRM
300
mA
Forward Surge Current
@ t < 1.0s
I
FSM
600
mA
Power Dissipation (Note 1)
P
d
150
mW
Thermal Resistance, Junction to Ambient (Note 1)
R
q
JA
833
C/W
Operating and Storage Temperature Range
T
j
, T
STG
-65 to +125
C
Notes:
1. Device 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.
A
M
J
L
D
B C
H
K
N
G
TOP VIEW
C
E
B
Characteristic
Symbol
Min
Typ
Max
Unit
Test Condition
Reverse Breakdown Voltage (Note 2)
V
(BR)R
30
V
I
R
= 100mA
Forward Voltage (Note 2)
V
F
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
R
2.0
m
A
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
= 100W
Electrical Characteristics
@ T
A
= 25C unless otherwise specified
BAT54T Marking: L1
BAT54AT Marking: L2
BAT54CT Marking: L3
BAT54ST Marking: L4
T
C
U
D
O
R
P
W
E
N
SOT-523
Dim
Min
Max
Typ
A
0.15
0.30
0.22
B
0.75
0.85
0.80
C
1.45
1.75
1.60
D
0.50
G
0.90
1.10
1.00
H
1.50
1.70
1.60
J
0.00
0.10
0.05
K
0.60
0.80
0.75
L
0.10
0.30
0.22
M
0.10
0.20
0.12
N
0.45
0.65
0.50
a
0
8
All Dimensions in mm
DS30259 Rev. 3 - 2
2 of 2
BAT54T /AT /CT /ST
T
C
U
D
O
R
P
W
E
N
Ordering Information
(Note 3)
Device
Packaging
Shipping
BAT54T-7
SOT-523
3000/Tape & Reel
BAT54AT-7
SOT-523
3000/Tape & Reel
BAT54CT-7
SOT-523
3000/Tape & Reel
BAT54ST-7
SOT-523
3000/Tape & Reel
Notes:
3. For Packaging Details: go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
0
100
0
25
50
75
100
125
P
P
O
W
E
R
D
I
S
S
I
P
A
T
I
O
N
(
m
W
)
D
,
T , AMBIENT TEMPERATURE (
C)
A
Fig. 1 Power Derating Curve
200
0.1
1
1000
100
10
0
100
200
300
400
600
500
I
,
I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
W
A
R
D
C
U
R
R
E
N
T
(
m
A
)
F
T , INSTANTANEOUS FORWARD VOLTAGE (mV)
j
Fig. 2, Typical Forward Characteristics
T = -25C
A
T = +25C
A
T = +125C
A
T = +100C
A
0.1
1
1000
100
10
0
50
100
150
T , JUNCTION TEMPERATURE (
C)
j
Fig. 3, Typical Reverse Characteristics
V = 25V
R
Month
Jan
Feb
March
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Code
1
2
3
4
5
6
7
8
9
O
N
D
Date Code Key
XX = Product Type Marking Code (See Page 1, e.g. L1 = BAT54T)
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
XXYM
Marking Information
Year
2002
2003
2004
2005
2006
2007
2008
2009
Code
N
P
R
S
T
U
V
W
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