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TO-247AC
VS-STPS40L45CWPbF, VS-STPS40L45CW-N3
Vishay Semiconductors
Schottky Rectifier, 2 x 20 A
Anode
1
PRODUCT SUMMARY
Package TO-247AC
I
F(AV)
V
R
V
at I
F
F
I
max. 80 mA at 100 °C
RM
max. 150 °C
T
J
Diode variation Common cathode
E
AS
Base
common
cathode
2
13
Common
cathode
Anode
2
2
2 x 20 A
45 V
0.49 V
20 mJ
FEATURES
• 150 °C TJ operation
• Very low forward voltage drop
• High frequency operation
• High purity, high temperature epoxy
encapsulation for enhanced mechanical
strength and moisture resistance
• Guard ring for enhanced ruggedness and long
term reliability
• Compliant to RoHS Directive 2002/95/EC
• Designed and qualified according to JEDEC-JESD47
• Halogen-free according to IEC 61249-2-21 definition
(-N3 only)
DESCRIPTION
The VS-STPS40L45CW... center tap Schottky rectifier has
been optimized for very low forward voltage drop, with
moderate leakage. The proprietary barrier technology allows
for reliable operation up to 150 °C junction temperature.
Typical applications are in switching power supplies.
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES UNITS
I
F(AV)
V
I
FSM
V
T
RRM
F
J
Rectangular waveform 40 A
45 V
tp = 5 μs sine 1240 A
20 Apk, TJ = 125 °C (per leg, typical) 0.42 V
- 55 to 150 °C
VOLTAGE RATINGS
PARAMETER SYMBOL VS-STPS40L45CWPbF VS-STPS40L45CW-N3 UNITS
Maximum DC reverse voltage V
Maximum working peak reverse voltage V
R
RWM
45 45 V
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average
forward current
See fig. 5
Maximum peak one cycle
non-repetitive surge current per leg
See fig. 7
Non-repetitive avalanche energy per leg E
Repetitive avalanche current per leg I
Revision: 30-Aug-11
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per device
I
per leg 20
F(AV)
I
FSM
AR
50 % duty cycle at TC = 122 °C, rectangular waveform
5 µs sine or 3 µs rect. pulse
Following any rated load
condition and with rated
V
10 ms sine or 6 ms rect. pulse 350
TJ = 25 °C, IAS = 3 A, L = 4.4 mH 20 mJ
AS
RRM
applied
Current decaying linearly to zero in 1 μs
Frequency limited by T
1
maximum VA = 1.5 x VR typical
J
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40
A
1240
3A
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VS-STPS40L45CWPbF, VS-STPS40L45CW-N3
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ELECTRICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS TYP. MAX. UNITS
20 A
Maximum forward voltage drop per leg
See fig. 1
V
FM
40 A 0.61 0.69
(1)
20 A
40 A 0.60 0.70
Reverse leakage current per leg
See fig. 2
I
RM
Threshold voltage V
Forward slope resistance r
Maximum junction capacitance per leg C
Typical series inductance per leg L
F(TO)
t
S
TJ = 25 °C
(1)
T
J
TJ = TJ maximum
VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 °C - 1500 pF
T
Measured lead to lead 5 mm from package body 7.5 - nH
Maximum voltage rate of change dV/dt Rated V
Note
(1)
Pulse width < 300 μs, duty cycle < 2 %
= 100 °C 20 80
R
T
= 25 °C
J
= 125 °C
T
J
V
R
Vishay Semiconductors
0.48 0.53
0.42 0.49
= Rated V
R
-1.5
0.27 V
8.72 m
10 000 V/µs
V
mA
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum junction and storage
temperature range
Maximum thermal resistance,
junction to case per leg
Maximum thermal resistance,
junction to case per package
Typical thermal resistance,
case to heatsink
Approximate weight
Mounting torque
minimum
maximum 12 (10)
Marking device Case style TO-247AC (JEDEC) STPS40L45CW
T
, T
J
Stg
DC operation
See fig. 4
R
thJC
DC operation 0.8
Mounting surface, smooth and greased 0.24
R
thCS
Non-lubricated threads
- 55 to 150 °C
1.6
°C/W
6g
0.21 oz.
6 (5)
kgf · cm
(lbf · in)
Revision: 30-Aug-11
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Document Number: 94333
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ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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VS-STPS40L45CWPbF, VS-STPS40L45CW-N3
0.001
1
10
100
0.1
0.01
1000
I
R
- Reverse Current (mA)
V
R
- Reverse Voltage (V)
1051520
40
45
25 30 35
0
TJ = 125 °C
TJ = 100 °C
TJ = 75 °C
TJ = 50 °C
TJ = 25 °C
TJ = 150 °C
100
1000
10 000
C
T
- Junction Capacitance (pF)
VR - Reverse Voltage (V)
10 20 30
50
40
0
TJ = 25 °C
0.01
0.1
1
10
0.00001 0.0001 0.001 0.01 0.1 1 10
t1 - Rectangular Pulse Duration (s)
Z
thJC
- Thermal Impedance (°C/W)
100
Single pulse
(thermal resistance)
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
P
DM
t
1
t
2
Notes:
1. Duty factor D = t
1/t2
2. Peak TJ = PDM x Z
thJC
+ T
C
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1000
100
TJ = 150 °C
= 125 °C
T
J
= 25 °C
T
10
1
- Instantaneous Forward Current (A)
F
I
0.2 0.4 0.6 1.0 1.4
0
V
- Forward Voltage Drop (V)
FM
Fig. 1 - Maximum Forward Voltage Drop Characteristics
J
(Per Leg)
Vishay Semiconductors
1.81.61.20.8
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage (Per Leg)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg)
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Fig. 4 - Maximum Thermal Impedance Z
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Characteristics (Per Leg)
thJC
3
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100
110
120
130
140
150
Allowable Case Temperature (°C)
I
F(AV)
- Average Forward Current (A)
10 5 15 20 25
30
0
DC
See note (1)
Square wave (D = 0.50)
80 % rated V
R
applied
0
14
12
10
8
6
4
2
16
18
Average Power Loss (W)
I
F(AV)
- Average Forward Current (A)
510
3015 20 25
0
DC
RMS limit
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
VS-STPS40L45CWPbF, VS-STPS40L45CW-N3
Vishay Semiconductors
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current (Per Leg)
10 000
At any rated load condition
and with rated V
following surge
1000
- Non-Repetitive Surge Current (A)
100
FSM
I
10
100 1000
tp - Square Wave Pulse Duration (µs)
Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)
D.U.T.
Current
monitor
IRFP460
R
= 25 Ω
g
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
applied
RRM
10 000
L
High-speed
switch
Freewheel
diode
40HFL40S02
= 25 V
V
d
+
Note
(1)
Formula used: TC = TJ - (Pd + Pd
Pd = Forward power loss = I
Pd
Revision: 30-Aug-11
= Inverse power loss = VR1 x IR (1 - D); IR at VR1 = 80 % rated V
REV
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x VFM at (I
F(AV)
REV
) x R
Fig. 8 - Unclamped Inductive Test Circuit
;
thJC
/D) (see fig. 6);
F(AV)
R
4
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Document Number: 94333
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VS-STPS40L45CWPbF, VS-STPS40L45CW-N3
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ORDERING INFORMATION TABLE
Vishay Semiconductors
Device code
STPS 40 L 45 CW PbFVS-
1
- Vishay Semiconductors product
1
- Schottky STPS series
2
- Current ratings (40 = 40 A)
3
- L = Low forward voltage
4
- Voltage code (45 = 45 V)
5
- Package:
6
62 43 5 7
CW = TO-247
Environmental digit
-
7
PbF = Lead (Pb)-free and RoHS compliant
-N3 = Halogen-free, RoHS compliant, and totally lead (Pb)-free
ORDERING INFORMATION (Example)
PREFERRED P/N QUANTITY PER T/R MINIMUM ORDER QUANTITY PACKAGING DESCRIPTION
VS-STPS40L45CWPbF 25 500 Antistatic plastic tube
VS-STPS40L45CW-N3 25 500 Antistatic plastic tube
LINKS TO RELATED DOCUMENTS
Dimensions www.vishay.com/doc?95223
Part marking information
Revision: 30-Aug-11
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ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
TO-247AC PbF www.vishay.com/doc?95226
TO-247AC -N3 www.vishay.com/doc?95007
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Document Number: 94333
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0.10 AC
M M
E
N
(2)
(3)
(4)
(4)
(2) R/2
B
2 x R
S
D
See view B
2 x e
b4
3 x b
2 x b2
L
C
(5) L1
1
2
3
Q
D
A
A2
A
A
A1
C
Ø K BD
M M
A
(6)
Ø P
(Datum B)
FP1
D1 (4)
4
E1
0.01 BD
M M
View A - A
Thermal pad
D2
DDE E
C
C
View B
(b1, b3, b5)
Base metal
c1
(b, b2, b4)
Section C - C, D - D, E - E
(c)
Planting
Lead assignments
Diodes
1. - Anode/open
2. - Cathode
3. - Anode
DIMENSIONS in millimeters and inches
Outline Dimensions
Vishay Semiconductors
SYMBOL
MILLIMETERS INCHES
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
NOTES SYMBOL
MILLIMETERS INCHES
NOTES
A 4.65 5.31 0.183 0.209 D2 0.51 1.30 0.020 0.051
A1 2.21 2.59 0.087 0.102 E 15.29 15.87 0.602 0.625 3
A2 1.50 2.49 0.059 0.098 E1 13.72 - 0.540 -
b 0.99 1.40 0.039 0.055 e 5.46 BSC 0.215 BSC
b1 0.99 1.35 0.039 0.053 FK 2.54 0.010
b2 1.65 2.39 0.065 0.094 L 14.20 16.10 0.559 0.634
b3 1.65 2.37 0.065 0.094 L1 3.71 4.29 0.146 0.169
b4 2.59 3.43 0.102 0.135 N 7.62 BSC 0.3
b5 2.59 3.38 0.102 0.133 P 3.56 3.66 0.14 0.144
c 0.38 0.86 0.015 0.034 P1 - 6.98 - 0.275
c1 0.38 0.76 0.015 0.030 Q 5.31 5.69 0.209 0.224
D 19.71 20.70 0.776 0.815 3 R 4.52 5.49 1.78 0.216
D1 13.08 - 0.515 - 4 S 5.51 BSC 0.217 BSC
Notes
(1)
Dimensioning and tolerancing per ASME Y14.5M-1994
(2)
(3)
(4)
(5)
(6)
(7)
Contour of slot optional
Dimension D and E do not include mold flash. Mold flash shall not exceed 0.127 mm (0.005") per side. These dimensions are measured at
the outermost extremes of the plastic body
Thermal pad contour optional with dimensions D1 and E1
Lead finish uncontrolled in L1
Ø P to have a maximum draft angle of 1.5 to the top of the part with a maximum hole diameter of 3.91 mm (0.154")
Outline conforms to JEDEC outline TO-247 with exception of dimension c
Revision: 16-Jun-11
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THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
1
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ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Document Number: 95223
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Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
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Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
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Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
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