20140512034120 9990

WSC15U50 Product Description
15A/50V Low VF Schottky Rectifier
Features
�
Low forward voltage drop(VF) low power losses
�
Excellent higher temperatures characteristics
�
Thermally efficient package for cooler running applications
�
Lead-Free Finish; RoHS Compliant
�
Halogen and antimony free."Green" device
LE F T P IN
R IG H T P IN
BOT TOMSIDE
H E AT S IN K
General Description
Packaged in the compact thermally efficient TO-277B Package,
the WSC15U50 has very low VF and at high temperatures.
provides excellent reverse leakage stability . It is ideal product
for rectification, freewheeling or polarity protection diode.
TO-277B
Applications
�
DC / DC Converters
�
AC/ DC Adaptors
Absolute Maximum Ratings (Rating at 25°C ambient temperature unless otherwise specified)
Symbol
Parameter
Value
Units
VRRM
Repetitive peak reverse voltage
50
V
IF(AV)
Average forward current
15
A
IFSM
Surge non repetitive forward current (8.3ms single half sine-wave)
260
A
TJ,
Junction Temperature
-65~150
℃
Tstg
Storage Temperature
-65~150
℃
Thermal Characteristics
Symbol
Parameter
Value
Units
Typical Thermal Resistance(note 1)
RθJA
98
℃/W
Typical Thermal Resistance(note 2)
RθJA
40
℃/W
Typical Thermal Resistance(note 3)
RθJM
4.1
℃/W
Notes:1.FR-4 ,2oz.Copper,minimum recommended pad layout per
2.FR-4 ,2oz.Copper, Cathode pad dimensions 18.8mm×14.4mm.Anode pad dimensions 5.6mm×14.4
3.Junction to mount (Cathode Terminal)
4.Short duration pulse test used to minimize self-heating effect.
Electrical Characteristics (Rating at 25°C ambient temperature unless otherwise specified)
Characteristics
Symbol
Reverse leakage current(Note 4)
IR
VF
Forward voltage drop
Junction Capacitance
CJ
Test Condition
Min
Typ.
Max
Unit
VR = 50V, TJ=25°C
-
-
0.5
VR = 50V, TJ=125°C
-
50
-
IF=10A,TJ=25°C
-
-
0.48
V
IF=10A,TJ=125°C
-
0.33
-
V
IF=15A,TJ=25°C
-
0.44
0.52
V
IF=15A,TJ=125°C
-
0.40
-
V
VR =25V, TJ=25°C
-
380
-
pF
mA
WT-S002-Rev.A1 Apr 2014
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WSC15U50 Product Description
15A/50V Low VF Schottky Rectifier
1000000
I R INSTANTANEOUS FORWARD CURRENT( uA)
I F INSTA NTANEOU S FORWARD CUR RENT(A)
100
T A=150℃
10
T A=125 ℃
1
T A=85 ℃
0 .1
T A=25 ℃
0 .0 1
TA =-55 ℃
0 .0 0 1
T A=150 ℃
100000
T A=125℃
10000
T A=85 ℃
1000
TA =25℃
100
0 .0 0 0 1
10
0
200
100
300
400
0
500
20
10
VF INSTAN TANEOUS F ORWARD CURRENT(mV)
40
30
50
V R IN STANT ANEOUS FORW ARD CURRENT (V)
Fig.2 Typical Reverse Characteristics
Fig.1 Typical Forward Characteristics
16
100000
AVERAGE FORWARD CURRENT(A)
10000
1000
IF(AV)
CT
TOTAL CA PACITANCE(p F)
TM=125℃
100
R θ J M =4.1℃ / W
14
No t e 3
12
10
T M=25℃
R θ J M =40 ℃ / W
8
No t e 2
6
4
TM=25℃
R θ J M =98℃ / W
2
No t e 1
0
0
5
10
15
20
25
30
35
40
VR DC REVERSE VOLTAGE (V)
Fig.3 Total Capacitance vs. Reverse Voltage
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0
50
100
150
200
TEMPERAT URE( ℃)
Fig.4 Forward Current Derating Curve
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WSC15U50 Product Description
15A/50V Low VF Schottky Rectifier
77
B Packa
ge Dimension
TO-2
-277
77B
Packag
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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1.86(TYP.)
0 .8 5
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WSC15U50 Product Description
15A/50V Low VF Schottky Rectifier
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
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