©2005 Fairchild Semiconductor Corporation 1www.fairchildsemi.com
April 2005
BAT54SWT1G/BAT54CWT1G Schottky Diodes
BAT54SWT1G/BAT54CWT1G Rev. A
BAT54SWT1G/BAT54CWT1G
Schottky Diodes
Absolute Maximum Ratings *
T
a
= 25°C unless otherwise noted
* These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
Thermal Characteristics
FR-4 board (3.0 × 4.5 × 0.062” by 1.0 × 0.5” land pads)
Electrical Characteristics
T
C
= 25°C unless otherwise noted
Symbol Parameter Value Unit
V
RRM
Maximum Repetitive Reverse Voltage 30 V
I
F(AV)
Average Rectified Forward Current 200 mA
I
FSM
Non-repetitive Peak Forward Surge Current
Pulse Width = 1.0 second
600 mA
T
STG
Storage Temperature Range -65 to +125 °C
T
J
Operating Junction Temperature -65 to +125 °C
Symbol Parameter Value Unit
P
D
Power Dissipation 232 mW
R
θJA
Thermal Resistance, Junction to Ambient 430 °C/W
Symbol Parameter Conditions Min. Max. Units
V
R
Breakdown Voltage I
R
= 10µA30V
V
F
Forward Voltage I
F
= 0.1mA
I
F
= 1mA
I
F
= 10mA
I
F
= 30mA
I
F
= 100mA
240
320
400
500
0.8
mV
mV
mV
mV
V
I
R
Reverse Leakage V
R
= 25V 2 µA
C
T
Total Capacitance V
R
= 1V, f = 1.0MHz 10 pF
t
rr
Reverse Recovery Time I
F
= I
R
= 10mA, I
RR
= 1.0mA,
R
L
= 100Ω
5.0 ns
12
3
BAT54SWT1G = YB
BAT54CWT1G = YC
MARKING
Connection Diagram
3
12
3
12
BAT54CWT1GBAT54SWT1G
SOT-323
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BAT54SWT1G/BAT54CWT1G Rev. A
BAT54SWT1G/BAT54CWT1G Schottky Diodes
Typical Performance Characteristics
Figure 1. Forward Voltage vs Temperature Figure 2. Reverse Leakage Current
vs Temperature
Figure 3. Capacitance vs Reverse Bias Voltage
1E-6
1E-5
1E-4
1E-3
0.01
0.1
0.2 0.4 0.6 0.8
75
°
C
25
°
C
100
°
C
125
°
C
Forward Voltage Drop, V
F
[V]
Forward Current, I
F
[A]
0102030
1E-8
1E-7
1E-6
1E-5
1E-4
1E-3
125 °C
100 °C
75 °C
25 °C
Reverse Current, I
R
[A]
Reverse Voltage, V
R
[V]
0246810
0
3
5
8
10
13
15
18
20
Juntion Capacitance, C
J
[pF]
Reverse Voltage, V
R
[V]
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to
be an exhaustive list of all such trademarks.
3
www.fairchildsemi.com
BAT54SWT1G/BAT54CWT1G Rev. A
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY
ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT
CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR
SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or systems which,
(a) are intended for surgical implant into the body, or (b) support
or sustain life, or (c) whose failure to perform when properly used
in accordance with instructions for use provided in the labeling,
can be reasonably expected to result in significant injury to the
user.
2. A critical component is any component of a life support device
or system whose failure to perform can be reasonably expected
to cause the failure of the life support device or system, or to
affect its safety or effectiveness.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification Product Status Definition
Advance Information Formative or In
Design
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
Preliminary First Production This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
No Identification Needed Full Production This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
Obsolete Not In Production This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
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BAT54SWT1G/BAT54CWT1G Schottky DiodesBAT54SWT1G/BAT54CWT1G Schottky Diodes