LS545 Datasheet PDF - GOOD-ARK

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LS545
GOOD-ARK

Part Number LS545
Description Surface Mount Schottky Rectifier
Page 4 Pages


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LS54/LS545
Surface Mount Schottky Rectifier
Reverse Voltage 40/45V Forward Current 5A
Features
• Schottky barrier diodes
• Low forward voltage drop
• Low leakage current
• Moisture sensitivity: level 1, per J-STD-020
• Solder dip 260 °C, 10 s
• Low profiletypical thickness 1.0mm
• AEC-Q101 qualified
eSGB (SMAF)
Typical Applications
For use in low voltage,high freqency inverters,free wheeling, and polarity
protection application
Maximum Ratings (TA = 25 °C unless otherwise noted)
Parameter
Symbol
LS54
Maximum repetitive peak reverse
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified
current
Peak forward surge current 8.3 ms
single half sine-wave superimposed on
rated load
Operating junction and storage
temperature range
VRRM
VRMS
VDC
IF(AV)1)
IF(AV)2)
IFSM
TJ, TSTG
40
28
40
LS545
45
31.5
45
3.0
5.0
150
- 55 to + 150
Unit
V
V
V
A
A
°C
Electrical Characteristics (TA = 25 °C unless otherwise noted)
Parameter
Test Conditions Symbol
LS54
Instantaneous
forward voltage
IF=5A, TA=25
IF=5A, TA=125
VF
Max,0.55
typ,0.45
Maximum DC
reverse current at
rated DC blocking
voltage
TA=25
TA=125
IR
0.5
20
Typical junction
capacitance
Typical thermal
resistance
4.0 V, 1 MHz
juntion to mount
CJ
RθJM1)
320
20
Note1,Thermal resistance from junction to mount,mounted on PCB with 8.0×8.0mm copper pads
2,Mounted on Aluminum substrate pcb
LS545
Unit
Volts
mA
pF
℃/W
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LS54/LS545
Surface Mount Schottky Rectifier
Reverse Voltage 40/45V Forward Current 5A
Ratings and Characteristics Curves
(TA = 25unless otherwise noted)
Figure 1.Forward Current Derating 
Curve
Figure 2.Maximum NonRepetitive 
Peak Forward Surge Current
Figure 3. Typical Reverse Characteristics 
Figure 4. Typical Instantaneous 
Forward Characteristics 
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LS54/LS545
Surface Mount Schottky Rectifier
Reverse Voltage 40/45V Forward Current 5A
Package Outline Dimensions
in inches (millimeters)
DIM Unit: mm
Unit: inch
MIN MAX MIN MAX
A 0.92 1.08 0.036 0.043
A1 0 0.1 0.000 0.004
B 1.25 1.45 0.049 0.057
C 0.1 0.25 0.004 0.010
D 2.6 2.8 0.102 0.110
E 4.1 4.3 0.161 0.169
L 0.8 1.0 0.031 0.039
HE 4.8 5.2 0.189 0.205
Soldering  footprint
Packing Information
Packing quantities:
10,000 pcs/Reel12mm Tape, 13" Reel
Tape & Reel Specification
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LS54/LS545
Surface Mount Schottky Rectifier
Reverse Voltage 40/45V Forward Current 5A
Disclaimers
These materials are intended as a reference to assist our customers in the selection of the
Suzhou Good-Ark product best suited to the customer ’ s application; they do not convey any
license under any intellectual property rights, or any other rights, belonging to Suzhou Good-Ark
Electronics Co., Ltd.or a third party.
Suzhou Good-Ark Electronics Co., Ltd. assumes no responsibility for any damage, or
infringement of any third-party ’ s rights, originating in the use of any product data, diagrams,
charts, programs, algorithms, or circuit application examples contained in these materials.
All information contained in these materials, including product data, diagrams, charts, programs
and algorithms represents information on products at the time of publication of these materials,
and are subject to change by Suzhou Good-Ark Electronics Co., Ltd. without notice due to
product improvements or other reasons. It is therefore recommended that customers contact
Suzhou Good-Ark Electronics Co., Ltd. or an authorized Suzhou Good-Ark Electronics Co., Ltd.
for the latest product information before purchasing a product listed herein. The information
described here may contain technical inaccuracies or typographical errors. Suzhou Good-Ark
Electronics Co., Ltd. assumes no responsibility for any damage, liability, or other loss rising from
these inaccuracies or errors. Please also pay attention to information published by Suzhou Good-
Ark Electronics Co., Ltd. by various means, including our website home page.
(http://www.goodark.com)
When using any or all of the information contained in these materials, including product data,
diagrams, charts, programs, and algorithms, Please be sure to evaluate all information as a total
system before making a final decision on the applicability of the information and products. Suzhou
Good-Ark Electronics Co., Ltd. assumes no responsibility for any damage, liability or other loss
resulting from the information contained herein.
The prior written approval of Suzhou Good-Ark Electronics Co., Ltd. is necessary to reprint or
reproduce in whole or in part these materials.
Please contact Suzhou Good-Ark Electronics Co., Ltd. or an authorized distributor for further
details on these materials or the products contained herein.
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