LS34A thru LS345A
Surface Mount Schottky Rectifier
Reverse Voltage 40~45V Forward Current 3A
Features
•
•
•
•
•
Schottky barrier diodes
Low forward voltage drop
Solder dip 260 °C, 10 s
Low profile， typical thickness 1.0mm
Moisture sensitivity: level 1, per J-STD-020
eSGB (SMAF)
Typical Applications
For use in low voltage,high freqency inverters,free wheeling, and polarity
protection application
Maximum Ratings
Parameter
(TA = 25 ° unless otherwise noted)
C
Symbol
VRRM
VRMS
VDC
IF(AV)
IFSM
LS34A
40
28
40
3.0
55
- 55 to + 150
LS345A
45
31.5
45
Unit
V
V
V
A
A
°
C
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current at TL
(See Fig.1)
Peak forward surge current 8.3 ms single half
sine-wave superimposed on rated load
Operating junction and storage temperature range TJ, TSTG
Electrical Characteristics
Parameter
Maximum Instantaneous
forward voltage
Maximum DC reverse current
at rated DC blocking voltage
Typical junction capacitance
Typical thermal resistance
1)
Test Conditions
IF=3A, TA=25℃
TA=25℃
4.0 V, 1 MHz
juntion to case
juntion to lead
(TA = 25 ° unless otherwise noted)
C
Symbol
VF
IR
C
J
R
θJC
R
θJL
LS34A
0.46
1
160
50
35
LS345A
Unit
Volts
mA
pF
℃/W
Note1:Thermal resistance from junction to case and lead,mounted on PCB with 8.0×8.0mm copper pads
www.goodark.com
1/4
2015.01-Rev.A
LS34A thru LS345A
Surface Mount Schottky Rectifier
Reverse Voltage 40~45V Forward Current 3A
Ratings and Characteristics Curves
(TA = 25℃ unless otherwise noted)
Figure 1.Forward Current Derating Curve
Figure 2.Maximum Non-Repetitive
Peak Forward Surge Current
Figure 3. Typical Reverse Characteristics
Figure 4. Typical Junction Capacitance
Figure 5. Typical Instantaneous Forward Characteristics
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2/4
2015.01-Rev.A
LS34A thru LS345A
Surface Mount Schottky Rectifier
Reverse Voltage 40~45V Forward Current 3A
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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.
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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
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(http://www.goodark.com)
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