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®
WON-TOP ELECTRONICS
SX32 – SX310
3.0A SURFACE MOUNT SCHOTTKY BARRIER DIODE
Pb
Features
Low Forward Voltage
Epitaxial Construction with Oxide Passivation
Guard Ring for Transient and ESD Protection
Surge Overload Rating to 80A Peak
Low Power Loss
A
Fast Switching
Ideally Suited for Use in High Frequency
SMPS, Inverters and As Free Wheeling Diodes
C
B
F
HG
E
D
Mechanical Data
Case: SMA/DO-214AC, Molded Plastic
Terminals: Solder Plated, Solderable
per MIL-STD-750, Method 2026
Polarity: Cathode Band or Cathode Notch
Marking: Type Number
Weight: 0.064 grams (approx.)
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
SMA/DO-214AC
Dim Min Max
A 2.29 2.92
B 4.00 4.60
C 1.27 1.90
D
0.152
0.305
E 4.80 5.30
F 2.00 2.44
G
0.051
0.203
H 0.76 1.52
All Dimensions in mm
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Symbol SX32 SX33 SX34 SX35 SX36 SX38 SX39 SX310 Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectified Output Current (Note 1)
Non-Repetitive Peak Forward Surge Current
8.3ms Single Half Sine-Wave Superimposed on
Rated Load (JEDEC Method)
Forward Voltage
@IF = 3.0A
Peak Reverse Current
At Rated DC Blocking Voltage
@TJ = 25°C
@TJ = 100°C
Typical Junction Capacitance (Note 2)
Thermal Resistance, Junction to Ambient (Note 1)
Thermal Resistance, Junction to Lead (Note 1)
Operating Temperature Range
Storage Temperature Range
VRRM
VRWM
VR
VR(RMS)
IO
IFSM
VFM
IRM
CJ
R JA
R JL
TJ
TSTG
20 30 40 50 60 80 90 100 V
14 21 28 35 42 56 63 70
3.0
V
A
80 A
0.50
250
-55 to +125
0.75 0.85
0.5
20
180 140
80
22
-55 to +150
-55 to +150
V
mA
pF
°C/W
°C
°C
Note: 1. Mounted on FR-4 PCB with 5.0 x 5.0mm copper pads.
2. Measured at 1.0 MHz and applied reverse voltage of 4.0V D.C.
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
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SX32 – SX310
3.0
SX35 – SX310
2.4
SX32 – SX34
1.8
1.2
0.6
Resistive or
Inductive Load
0
0 15 30 45 60 75 90 105 120 135 150
TL, LEAD TEMPERATURE (°C)
Fig. 1 Forward Current Derating Curve
100
Single Half-Sine-Wave
JEDEC Method
80
®
100
Pulse Width = 300µs
1% Duty Cycle
TJ = 25°C
WON-TOP ELECTRONICS
10
SX35 – SX36
SX32 – SX34
1.0
SX38 – SX310
0.1
0
0.2 0.4 0.6 0.8 1.0
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
100
10 TJ = 125°C
60 1.0
TJ = 75°C
40 0.1
TJ = 25°C
20 0.01
0
1 10 100
NUMBER OF CYCLES AT 60Hz
Fig. 3 Forward Surge Current Derating Curve
500
0.001
0
20 40 60 80 100
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Fig. 4 Typical Reverse Characteristics
400 SX35 – SX36
300
SX38 – SX310
200
f = 1MHz
SX32 – SX34
100
www.wontop.com
2
0
0.1
1 10
VR, DC REVERSE VOLTAGE (V)
Fig. 5 Typical Junction Capacitance
100
© Won-Top Electronics Co., Ltd.
Revision: September, 2012

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®
WON-TOP ELECTRONICS
MARKING INFORMATION
SX3x
Cathode
SX3x
x
= Polarity Band
= Device Number
= 2, 3, 4, 5, 6, 8, 9 or 10
SX32 – SX310
RECOMMENDED FOOTPRINT
0.050 MIN
(1.27 MIN)
0.083 MAX
(2.11 MAX)
0.058 MIN
(1.47 MIN)
inches(mm)
PACKAGING INFORMATION
TAPE & REEL
330mm
Product ID Label
Direction of Unreeling
4mm
12mm
12mm
4mm
1.6mm
Reel Diameter
(mm)
330
Quantity
(PCS)
5,000
Inner Box Size
L x W x H (mm)
340 x 337 x 45
Quantity
(PCS)
10,000
Carton Size
L x W x H (mm)
370 x 370 x 420
Quantity
(PCS)
80,000
Approx. Gross Weight
(KG)
14.0
Note: 1. Paper reel, white or gray color.
2. Components are packed in accordance with EIA standard 481-1 and 481-2.
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
www.wontop.com
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SX32 – SX310
®
WON-TOP ELECTRONICS
ORDERING INFORMATION
Product No.
SX32-T3
SX33-T3
SX34-T3
SX35-T3
SX36-T3
SX38-T3
SX39-T3
SX310-T3
Package Type
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
Shipping Quantity
5000/Tape & Reel
5000/Tape & Reel
5000/Tape & Reel
5000/Tape & Reel
5000/Tape & Reel
5000/Tape & Reel
5000/Tape & Reel
5000/Tape & Reel
1. Shipping quantity given is for minimum packing quantity only. For minimum
order quantity, please consult the Sales Department.
2. To order RoHS / Lead Free version (with Lead Free finish), add “-LF”
suffix to part number above. For example, SX32-T3-LF.
WON-TOP ELECTRONICS and
are registered trademarks of Won-Top Electronics Co., Ltd (WTE). WTE has checked all information carefully and
believes it to be correct and accurate. However, WTE cannot assume any responsibility for inaccuracies. Furthermore, this information does not give the
purchaser of semiconductor devices any license under patent rights to manufacturer. WTE reserves the right to change any or all information herein
without further notice.
WARNING: DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life
support devices or systems without the express written approval.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road,
Chine Chen Dist., Kaohsiung 806, Taiwan
Phone: 886-7-822-5408 or 886-7-822-5410
Fax: 886-7-822-5417
Email: sales@wontop.com
Internet: http://www.wontop.com
We power your everyday.
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© Won-Top Electronics Co., Ltd.
Revision: September, 2012