20140409012443 1649

WSC20U45Product Description
A/
45
V Ultra Low VF Schottky Rectifier
20
20A/
A/45
45V
Features
�
High current capability, low forward voltage
�
Excellent high temperature stability
�
Low power loss, and high efficiency
�
High Forward Surge Capability
�
RoHS compliant,and Halogen free
LE F T P IN
R IG H T P IN
BOT TOMSIDE
H E AT S IN K
Applications
�
Switching mode power supply applications
�
Portable equipment battery applications
�
High frequency rectification
�
DC / DC Converter
�
Designed as bypass diodes for solar panels
B
TO-277
TO-277B
Absolute Maximum Ratings (Rating at 25°C ambient temperature unless otherwise specified)
Symbol
Parameter
Value
Units
VRRM
Repetitive peak reverse voltage
45
V
IF(AV)
Average forward current
20
A
IFSM
Surge non repetitive forward current (8.3ms single half sine-wave)
280
A
TJ,
Junction Temperature
-40~150
℃
Tstg
Storage Temperature
-40~150
℃
Electrical Characteristics
Characteristics
Forward voltage
Reverse leakage current
(Rating at 25°C ambient temperature unless otherwise specified)
Symbol
VF
IR
Test Condition
Min
Typ.
Max
Unit
IF=2A
-
0.32
0.34
V
IF=8A
-
0.36
0.39
V
IF=10A
-
0.42
0.44
V
IF=15A
-
0.45
0.48
V
IF=20A
-
0.49
0.52
V
VR = 45V
-
-
0.3
mA
-
pF
-
℃/W
Junction Capacitance
CJ
f=1MHz,VR=4V
600
Thermal Resistance Junction
Rth(JA)
31
to Ambient(note1)
Note 1: Polymide PCB,2oz.Cathode.cathode pad dimensions18.8×14.4mm.Anode pad dimensions 5.6×14.4mm
WT-S003-Rev.A2 Nov.2013
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M ICROELECTRON ICS
[email protected] Microelectronics Co., Ltd., All right reserved.
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WSC20U45Product Description
A/
45
V Ultra Low VF Schottky Rectifier
20
20A/
A/45
45V
Instantaneous Forward Current(A)
Average Forward Current(A)
20
10
10
Single phase half wave 60Hz Resistive
or Inductive load
0
0
100
50
。
150
1
TJ=25。C
TJ=125。
C
0 .1
200
0
0 .1
0 .2
Lead Temperature[ C]
0 .3
0 .4
0 .5
0 .6
Instantaneous F orward Voltage(V)
Fig.1 Typical Forward Current Derating
Curve
Fig.2 Typical Instantaneous Forward
Characteristics
10
300
I nstantaneous Reverse Current(mA)
Peak Forward Surge Current (A)
8.3ms Single half sine wave(JEDEC)
250
200
150
100
50
TJ =125。C
1
0 .1
TJ=25。C
0 .0 1
0
1
10
0
100
20
M ICROELECTRON ICS
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60
80
100
Fig.4 Typical Reverse Characteristics
Fig.3 Maximum Non-Repetitive Forward
Surge Current
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40
Percent Rated Peck Reverse Voltage(%)
Number of Cycles at 60HZ
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WSC20U45Product Description
A/
45
V Ultra Low VF Schottky Rectifier
20
20A/
A/45
45V
TO-277B Package Dimension
U n it:m m
A
D
E
M IN
M AX
A
1 .0
1 .2
A2
0 .2
0 .4
b1
0 .8
1 .1
b2
2 .9
3 .3
D
3 .9
4 .3
D2
2 .9
3 .3
E
6 .3 5
6 .6 5
E1
5 .2
5 .8
D2
A2
b2
符 号
Symbol
E1
W
L
e
b1
b1
A2
e
L
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www.winsemi.com Tel : +86-755-8250 6288 Fax : +86-755-8250 6299
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1.86(TYP.)
0 .8 5
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1 .1
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WSC20U45Product Description
A/
45
V Ultra Low VF Schottky Rectifier
20
20A/
A/45
45V
NOTE:
1.We strongly recommend customers check carefully on the trademark when buying our product, if there is
any question, please don't be hesitate to contact us.
2.Please do not exceed the absolute maximum ratings of the device when circuit designing.
3.Winsemi Microelectronics Co., Ltd reserved the right to make changes in this specification sheet and is
subject to change without prior notice.
CONTACT:
Winsemi Microelectronics Co., Ltd.
ADD:Futian District, ShenZhen Tian An Cyber Tech Plaza two East Wing 1002
Post Code : 518040
Tel : +86-755-8250 6288
FAX : +86-755-8250 6299
Web Site : www.winsemi.com
WIN SEM I
M ICROELECTRON ICS
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M ICROELECTRON ICS
WIN SEM I
M ICROELECTRON ICS
www.winsemi.com Tel : +86-755-8250 6288 Fax : +86-755-8250 6299
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