A
M
J
L
D
B
C
H
K
N
G
TOP VIEW
C
E
B
TCUDORP WEN
Features
· Ultra-Small Surface Mount Package
· Low Forward Voltage Drop
· Fast Switching
· PN Junction Guard Ring for Transient and
ESD Protection
Mechanical Data
· 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
BAT54T /AT /CT /ST
SURFACE MOUNT SCHOTTKY BARRIER DIODE
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
¾ ¾ 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° ¾
All Dimensions in mm
BAT54T Marking: L1 BAT54AT Marking: L2 BAT54CT Marking: L3
Maximum Ratings
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Forward Continuous Current (Note 1)
Repetitive Peak Forward Current
Forward Surge Current @ t < 1.0s
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient (Note 1)
Operating and Storage Temperature Range
Electrical Characteristics
Reverse Breakdown Voltage (Note 2)
Forward Voltage (Note 2)
Reverse Leakage Current (Note 2)
Total Capacitance
Reverse Recovery Time
Notes: 1. Device mounted on FR-4 PC board with recommended pad layout, which can be found on our website at
2. Short duration test pulse used to minimize self-heating effect.
DS30259 Rev. 3 - 2 1 of 2 BAT54T /AT /CT /ST
http://www.diodes.com/datasheets/ap02001.pdf.
@ TA = 25°C unless otherwise specified
Characteristic Symbol Value Unit
V
RRM
V
RWM
V
R
I
FM
I
FRM
I
FSM
P
d
R
qJA
Tj, T
STG
@ TA = 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
V
(BR)R
V
I
C
t
30 ¾ ¾ V
¾ ¾
F
R
rr
¾ ¾ 2.0 mA
¾ ¾ 10 pF
T
¾ ¾ 5.0 ns
1000
30 V
200 mA
300 mA
600 mA
150 mW
833 °C/W
-65 to +125 °C
240
320
400
500
mV
BAT54ST Marking: L4
IR = 100mA
IF = 0.1mA
IF = 1mA
IF = 10mA
IF = 30mA
IF = 100mA
VR = 25V
VR = 1.0V, f = 1.0MHz
IF = 10mA through IR = 10mA
to IR = 1.0mA, RL = 100W
TCUDORP WEN
0
100
0 25
50
75 100 125
P POWER DISSIPATION (mW)
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 , INSTANTANEOUS FORWARD CURRENT (mA)
F
T , INSTANTANEOUS FORWARD VOLTAGE (mV)
j
Fig. 2, Typical Forward Characteristics
T = -25°C
A
T = +25°C
A
T = +125°C
A
T = +100°C
A
0.1
1
1000
100
10
0
50
100
150
T , JUNCTION TEMPERATURE (°C)
j
Fig. 3, Typical Reverse Characteristics
V = 25V
R
Ordering Information
BAT54T-7
BAT54AT-7
BAT54CT-7
BAT54ST-7
Notes: 3. For Packaging Details: go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
Date Code Key
Year 2002 2003 2004 2005
Code
Month Jan Feb March Apr May Jun Jul
Code
DS30259 Rev. 3 - 2 2 of 2 BAT54T /AT /CT /ST
(Note 3)
Device
Packaging Shipping
SOT-523 3000/Tape & Reel
SOT-523 3000/Tape & Reel
SOT-523 3000/Tape & Reel
SOT-523 3000/Tape & Reel
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)
N P R S
1 2 3 4 5 6 7
2006 2007 2008 2009
T U V W
Aug Sep Oct Nov Dec
8 9 O N D