BAT54T/AT/CT/ST
SCHOTTKY DIODES
200m AMPERES
30 VOLTS
Surface Mount Schottky Diodes
WEITRON
http://www.weitron.com.tw
1/3
09-Sep-05
SOT-523(SC-75)
12
3
SOT-523 Outline Dimensions (SC-75) Unit:mm
A
B
D
EG
M
L
H
J
TOP VIEW
Dim
A
B
C
D
E
G
H
J
K
L
M
Min
0.30
0.70
1.45
-
0.15
0.80
1.40
0.00
0.70
0.37
0.10
Max
0.50
0.90
1.75
0.50
0.40
1.00
1.80
0.10
1.00
0.48
0.25
K
C
SC-75
* Low forward voltage
* Fast switching
* Ultra-Small Surface Mount Package
* PN Junction Guard Ring for Transient and
ESD Protection
Features:
Mechanical Data:
* Terminals: Solderable per MIL-STD-202, Method 208
* Polarity: See Diagrams Page.2
* Marking: See Diagrams Page.2
* Weight: 0.002 grams (approx)
Lead(Pb)-Free
P b
Maximum Ratings (TA=25°C Unless otherwise noted)
(TA=25°C Unless otherwise noted)
Characteristic Symbol
VRRM
IO
VR
Pd
Value Unit
30
200
150
150
Electrical Characteristics
Characteristic Symbol
Reverse Breakdown Voltage
IR=100µA
Forward Voltage
IF=0.1mA
IF=1mA
IF=10mA
IF=30mA
IF=100mA
Total Capacitance
VR=1V, f=1.0MHz
Reverse Current
VR=25V
V(BR)R
VF
CT
IR
Min Max Unit
30
240
320
400
500
1000
10
2
V
V
PF
µA
Reverse Recover Time
IFI=10mA, R =10mA~1mA, RL=100Ω Trr 5.0 nS
Device Marking
Item Marking Eqivalent Circuit diagram
1
3
1
2
3
1
2
3
BAT54T
BAT54CT
BAT54ST
BAT54AT
L1
L3
L4
L2
1
2
3
Non-Repetitive Peak Reverse Voltage
DC Blocking Voltage
Average Rectified Output Current
Power Dissipation
Storage Temperature Range TJ
V
mA
mW
°C
-55 to + 150
Storage Temperature Range TSTG °C
WEITRON
http://www.weitron.com.tw
2/3
09-Sep-05
BAT54T/AT/CT/ST
Electrical Characteristic curves(TA=25˚C)
WEITRON
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09-Sep-05
BAT54T/AT/CT/ST
0.001
0.01
0.1
10
100
1
05 10 15 20 25 30
V , INSTANTANEOUS REVERSE VOLTAGE (V)
R
Fig. 3 Typical Reverse Characteristics
T = 25ºC
A
T = 75ºC
A
T = 125ºC
A
T = 0ºC
A
0
2
4
12
10
8
6
010 15
520 30
25
)
Fp
(ECNATIC
AP
AC
LA
TOT
,CT
V , REVERSE VOLTAGE (V)
R
Fig. 4 Typical Capacitance vs. Reverse Voltage
f = 1.0MHz
0.1
1
0.01
0.001
0.0001
01.0
0.4 0.6 0.8
0.2
)A(
T
NE
R
RUCDRAWR
O
FSUOENATNATSNI,
IF
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Fig. .2 Forward Characteristics
T = - 40°C
A
T = 125ºC
AT = 75°C
A
T = 25°C
A
T = 0°C
A
0
100
0 25 50 75 125100 150
P,
P OIT
AP
I
S
S
I
D
RE
W)
Wm(N
D
T , AMBIENT TEMPERATURE (°C)
A
Fig. 1 Power Derating Curve
200
