VS-25CTQ...S-M3, VS-25CTQ...-1-M3 Series
www.vishay.com
Vishay Semiconductors
High Performance Schottky Rectifier, 2 x 15 A
FEATURES
• 150 °C T
J
operation
• Center tap configuration
• Very low forward voltage drop
2
1
3
1
2
3
• 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
• Meets MSL level 1, per J-STD-020, LF maximum peak
of 245 °C
• Designed and qualified according to JEDEC
®
-JESD 47
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
D
2
PAK (TO-263AB)
Base
common
cathode
2
TO-262AA
Base
common
cathode
2
2
1 Common
3
Anode cathode Anode
2
1 Common
3
Anode cathode Anode
VS-25CTQ...S-M3
VS-25CTQ...-1-M3
DESCRIPTION
The VS-25CTQ... center tap Schottky rectifier series 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,
converters, freewheeling diodes, and reverse battery
protection.
PRIMARY CHARACTERISTICS
I
F(AV)
V
R
V
F
at I
F
I
RM
T
J
max.
E
AS
Package
Circuit configuration
D
2
PAK
2 x 15 A
35 V, 40 V, 45 V
0.50 V
70 mA at 125 °C
150 °C
20 mJ
(TO-263AB), TO-262AA
Common cathode
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
I
F(AV)
V
RRM
I
FSM
V
F
T
J
CHARACTERISTICS
Rectangular waveform
Range
t
p
= 5 μs sine
15 A
pk
, T
J
= 125 °C (per leg)
Range
VALUES
30
35 to 45
990
0.50
-55 to +150
UNITS
A
V
A
V
°C
VOLTAGE RATINGS
PARAMETER
Maximum DC reverse voltage
Maximum working peak reverse voltage
SYMBOL
V
R
V
RWM
VS-25CTQ035S-M3
VS-25CTQ035-1-M3
35
VS-25CTQ040S-M3
VS-25CTQ040-1-M3
40
VS-25CTQ045S-M3
VS-25CTQ045-1-M3
45
UNITS
V
Revision: 27-Oct-17
Document Number: 94930
1
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
VS-25CTQ...S-M3, VS-25CTQ...-1-M3 Series
www.vishay.com
Vishay Semiconductors
ABSOLUTE MAXIMUM RATINGS
PARAMETER
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
Repetitive avalanche current per leg
SYMBOL
I
F(AV)
I
FSM
E
AS
I
AR
TEST CONDITIONS
50 % duty cycle at T
C
= 102 °C, rectangular waveform
5 μs sine or 3 μs rect. pulse
10 ms sine or 6 ms rect. pulse
Following any rated
load condition and with
rated V
RRM
applied
VALUES
30
990
250
20
3
mJ
A
A
UNITS
T
J
= 25 °C, I
AS
= 3 A, L = 4.40 mH
Current decaying linearly to zero in 1 μs
Frequency limited by T
J
maximum V
A
= 1.5 x V
R
typical
ELECTRICAL SPECIFICATIONS
PARAMETER
Maximum forward voltage drop per leg
See fig. 1
SYMBOL
15 A
V
FM (1)
30 A
15 A
30 A
Maximum reverse leakage current per leg
See fig. 2
Maximum junction capacitance per leg
Typical series inductance per leg
Maximum voltage rate of change
Note
(1)
Pulse width < 300 μs, duty cycle < 2 %
I
RM (1)
C
T
L
S
dV/dt
T
J
= 25 °C
T
J
= 125 °C
TEST CONDITIONS
T
J
= 25 °C
T
J
= 125 °C
V
R
= Rated V
R
VALUES
0.56
0.71
0.50
0.64
1.75
70
900
8.0
10 000
mA
pF
nH
V/μs
V
UNITS
V
R
= 5 V
DC
(test signal range 100 kHz to 1 MHz), 25 °C
Measured lead to lead 5 mm from package body
Rated V
R
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
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
Case style
Marking device
Case style TO-262AA
D
2
PAK
(TO-263AB)
SYMBOL
T
J
, T
Stg
DC operation
See fig. 4
DC operation
R
thCS
Mounting surface, smooth and greased
TEST CONDITIONS
VALUES
-55 to 150
3.25
1.63
0.50
2
0.07
6 (5)
12 (10)
g
oz.
kgf · cm
(lbf · in)
°C/W
UNITS
°C
R
thJC
25CTQ035S
25CTQ040S
25CTQ045S
25CTQ035-1
25CTQ040-1
25CTQ045-1
Revision: 27-Oct-17
Document Number: 94930
2
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
VS-25CTQ...S-M3, VS-25CTQ...-1-M3 Series
www.vishay.com
Vishay Semiconductors
1000
1000
I
R
- Reverse Current (mA)
100
10
T
J
= 150 °C
T
J
= 125 °C
T
J
= 100 °C
I
F
- Instantaneous
Forward Current (A)
100
10
1
1
T
J
= 150 °C
T
J
= 125 °C
T
J
= 25 °C
T
J
= 75 °C
0.1
T
J
= 50 °C
0.01
0.001
T
J
= 25 °C
0.1
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
0
5
10
15
20
25
30
35
40
45
V
FM
- Forward Voltage Drop (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
(Per Leg)
1000
V
R
- Reverse Voltage (V)
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage (Per Leg)
C
T
- Junction Capacitance (pF)
T
J
= 25 °C
100
0
10
20
30
40
50
V
R
- Reverse Voltage (V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg)
Z
thJC
- Thermal Impedance (°C/W)
10
1
P
DM
0.1
t
1
0.01
Single pulse
(thermal resistance)
0.001
0.00001
D = 0.50
D = 0.33
D = 0.25
D = 0.17
D = 0.08
t
2
Notes:
1. Duty factor D = t
1
/t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.1
1
10
100
0.0001
0.001
0.01
t
1
- Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance Z
thJC
Characteristics (Per Leg)
Revision: 27-Oct-17
Document Number: 94930
3
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
VS-25CTQ...S-M3, VS-25CTQ...-1-M3 Series
www.vishay.com
160
Vishay Semiconductors
12
D = 0.08
D = 0.17
D = 0.25
D = 0.33
D = 0.50
RMS limit
Allowalde Case Temperature (°C)
140
130
120
110
100
Average Power Loss (W)
150
25CTQ
R
thJC
(DC) = 3.25 °C/W
10
8
6
DC
DC
4
2
0
0
5
10
15
20
25
0
2
4
6
8
10 12 14 16 18 20 22
I
F(AV)
- Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current (Per Leg)
1000
I
F(AV)
- Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
I
FSM
- Non-Repetitive
Surge Current (A)
At any rated load condition
and with rated V
RRM
applied
following surge
100
10
100
1000
10 000
t
p
- Square Wave Pulse Duration (µs)
Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)
L
High-speed
switch
Freewheel
diode
40HFL40S02
+ V
d
= 25 V
D.U.T.
IRFP460
R
g
= 25
Ω
Current
monitor
Fig. 8 - Unclamped Inductive Test Circuit
Note
Formula used: T
C
= T
J
- (Pd + Pd
REV
) x R
thJC
;
Pd = forward power loss = I
F(AV)
x V
FM
at (I
F(AV)
/D) (see fig. 6);
Pd
REV
= inverse power loss = V
R1
x I
R
(1 - D); I
R
at V
R1
= 80 % rated V
R
(1)
Revision: 27-Oct-17
Document Number: 94930
4
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
VS-25CTQ...S-M3, VS-25CTQ...-1-M3 Series
www.vishay.com
ORDERING INFORMATION TABLE
Vishay Semiconductors
Device code
VS-
1
1
2
3
4
5
6
7
8
-
-
-
-
-
-
-
-
25
2
C
3
T
4
Q
5
045
6
S
7
TRL -M3
8
9
Vishay
Semiconductors
product
Current rating (25 A)
Circuit configuration: C = common cathode
T = TO-220
Schottky
“Q”
series
Voltage ratings
S
= D
2
PAK (TO-263AB)
-1 = TO-262AA
None = tube
TRL = tape and reel (left oriented - for D
2
PAK only)
TRR = tape and reel (right oriented - for D
2
PAK only)
035 = 35 V
040 = 40 V
045 = 45 V
9
-
-M3 = halogen-free, RoHS-compliant, and termination lead (Pb)-free
ORDERING INFORMATION
PREFERRED P/N
VS-25CTQ035S-M3
VS-25CTQ035STRR-M3
VS-25CTQ035STRL-M3
VS-25CTQ035-1-M3
VS-25CTQ040S-M3
VS-25CTQ040STRR-M3
VS-25CTQ040STRL-M3
VS-25CTQ040-1-M3
VS-25CTQ045S-M3
VS-25CTQ045STRR-M3
VS-25CTQ045STRL-M3
VS-25CTQ045-1-M3
QUANTITY PER T/R
50
800
800
50
50
800
800
50
50
800
800
50
MINIMUM ORDER QUANTITY
1000
800
800
1000
1000
800
800
1000
1000
800
800
1000
PACKAGING DESCRIPTION
Antistatic plastic tubes
13" diameter reel
13" diameter reel
Antistatic plastic tubes
Antistatic plastic tubes
13" diameter reel
13" diameter reel
Antistatic plastic tubes
Antistatic plastic tubes
13" diameter reel
13" diameter reel
Antistatic plastic tubes
LINKS TO RELATED DOCUMENTS
Dimensions
Part marking information
Packaging information
SPICE model
D
2
PAK (TO-263AB)
TO-262AA
D
2
PAK
(TO-263AB)
TO-262AA
www.vishay.com/doc?96164
www.vishay.com/doc?96165
www.vishay.com/doc?95444
www.vishay.com/doc?95443
www.vishay.com/doc?96424
www.vishay.com/doc?95285
Revision: 27-Oct-17
Document Number: 94930
5
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
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