Page 1
VS-47CTQ020SPbF, VS-47CTQ020-1PbF
Vishay High Power Products
Schottky Rectifier, 2 x 20 A
VS-47CTQ020SPbF
VS-47CTQ020-1PbF
FEATURES
• 150 °C TJ operation
• Center tap configuration
• Optimized for 3.3 V application
• Ultralow forward voltage drop
• High frequency operation
Base
common
cathode
2
Base
common
cathode
2
• Guard ring for enhanced ruggedness and long
term reliability
• High purity, high temperature epoxy
encapsulation for enhanced mechanical strength and
moisture resistance
• Meets MSL level 1, per J-STD-020, LF maximum peak of
260 °C
1
Anode Anode
2
Common
cathode
2
PAK
D
3
1
Anode Anode
2
Common
cathode
TO-262
3
• Halogen-free according to IEC 61249-2-21 definition
• Compliant to RoHS directive 2002/95/EC
• AEC-Q101 qualified
DESCRIPTION
This center tap Schottky rectifier module has been
PRODUCT SUMMARY
I
F(AV)
V
R
I
RM
2 x 20 A
20 V
310 mA at 125 °C
optimized for ultralow forward voltage drop specifically for
3.3 V output power supplies. The proprietary barrier
technology allows for reliable operation up to 150 °C
junction temperature. Typical applications are parallel
switching power supplies, converters, reverse battery
protection, and redundant power subsystems.
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES UNITS
I
F(AV)
V
I
FSM
V
T
RRM
F
J
Rectangular waveform 40 A
20 V
tp = 5 μs sine 1000 A
20 Apk, TJ = 125 °C 0.34 V
- 55 to 150 °C
VOLTAGE RATINGS
PARAMETER SYMBOL TEST CONDITIONS
Maximum DC reverse voltage V
125 °C 20
R
150 °C 10
VS-47CTQ020SPbF
VS-47CTQ020-1PbF
UNITS
V
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average
forward current
Maximum peak one cycle
non-repetitive surge current per leg
Non-repetitive avalanche energy per leg E
Repetitive avalanche current per leg I
per leg
per device 40
I
F(AV)
I
FSM
AR
50 % duty cycle at TC = 135 °C, rectangular waveform
5 μs sine or 3 μs rect. pulse
10 ms sine or 6 ms rect. pulse 250
TJ = 25 °C, IAS = 3 A, L = 3 mH 18 mJ
AS
Current decaying linearly to zero in 1 μs
Frequency limited by T
maximum VA = 1.5 x VR typical
J
Following any rated load
condition and with rated
V
applied
RRM
20
1000
3A
www.vishay.com
A
Page 2
VS-47CTQ020SPbF, VS-47CTQ020-1PbF
Vishay High Power Products
Schottky Rectifier, 2 x 20 A
ELECTRICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
20 A
40 A 0.51
Maximum forward voltage drop per leg V
FM
(1)
40 A 0.44
20 A
20 A
40 A 0.42
TJ = 125 °C
Maximum reverse leakage
current per leg
Threshold voltage V
Forward slope resistance r
Maximum junction capacitance per leg C
Typical series inductance per leg L
I
RM
F(TO)
(1)
T
J
T
J
T
J
TJ = TJ maximum 0.188 V
t
T
S
VR = 5 VDC (test signal range 100 kHz to 1 MHz), 25 °C 3000 pF
Measured lead to lead 5 mm from package body 5.5 nH
Maximum voltage rate of change dV/dt Rated V
Note
(1)
Pulse width < 300 μs, duty cycle < 2 %
T
= 25 °C
J
T
= 125 °C
J
= 150 °C
T
J
= 5 V 60
V
R
= 3.3 V 45
V
R
= 150 °C VR = 10 V 306
= 25 °C
= 125 °C 310
R
V
= Rated V
R
R
0.45
0.34
0.31
3
5.9 mΩ
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
Marking device
minimum 6 (5)
maximum 12 (10)
, T
T
J
Stg
R
DC operation
thJC
R
thCS
Mounting surface, smooth and greased 0.50
Case style D
Case style TO-262 47CTQ020-1
- 55 to 150 °C
1.5
0.75
2g
0.07 oz.
2
PAK 47CTQ020S
°C/W
kgf ⋅ cm
(lbf ⋅ in)
www.vishay.com For technical questions, contact: [email protected]
Document Number: 94228
2 Revision: 15-Mar-10
Page 3
VS-47CTQ020SPbF, VS-47CTQ020-1PbF
Schottky Rectifier, 2 x 20 A
1000
100
TJ = 150 °C
T
= 125 °C
J
T
= 25 °C
10
1
- Instantaneous Forward Current (A)
F
I
0.2 0.4 0.6 0.8 1.0
0
V
- Forward Voltage Drop (V)
FM
Fig. 1 - Maximum Forward Voltage Drop Characteristics
(Per Leg)
J
1.2 1.4
10 000
Vishay High Power Products
1000
TJ = 150 °C
100
10
- Reverse Current (mA)
0.1
R
I
0.01
TJ = 125 °C
TJ = 100 °C
TJ = 75 °C
1
TJ = 50 °C
TJ = 25 °C
0
4 8 1612 20
V
- Reverse Voltage (V)
R
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage (Per Leg)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg)
10
1
0.1
- Thermal Impedance (°C/W)
thJC
Z
0.01
0.00001 0.0001
Single pulse
(thermal resistance)
Fig. 4 - Maximum Thermal Impedance Z
- Junction Capacitance (pF)
T
C
1000
0
4268 10
VR - Reverse Voltage (V)
0.001 0.01
t1 - Rectangular Pulse Duration (s)
TJ = 25 °C
12
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
14 16 18 20 22
Notes:
1. Duty factor D = t
2. Peak TJ = PDM x Z
0.1 1
Characteristics (Per Leg)
thJC
P
DM
t
1
t
2
1/t2
+ T
thJC
C
10 100
Document Number: 94228 For technical questions, contact: [email protected]
www.vishay.com
Revision: 15-Mar-10 3
Page 4
C
C
VS-47CTQ020SPbF, VS-47CTQ020-1PbF
Vishay High Power Products
160
)
150
140
130
120
ase Temperature (°
110
100
Allowable
Square wave (D = 0.50)
10 V applied
See note (1)
90
0
I
F(AV)
1051520
- Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current (Per Leg)
DC
25 30
1000
Schottky Rectifier, 2 x 20 A
12
D = 0.20
D = 0.25
10
D = 0.33
D = 0.50
D = 0.75
8
6
4
2
Average Power Loss (W)
0
0
I
F(AV)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
RMS limit
DC
10515203025
- Average Forward Current (A)
At any rated load condition
and with rated V
following surge
- Non-Repetitive Surge Current (A)
100
FSM
I
10
100 1000
RRM
applied
10 000
tp - Square Wave Pulse Duration (µs)
Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)
L
D.U.T.
Current
monitor
Fig. 8 - Unclamped Inductive Test Circuit
IRFP460
= 25 Ω
R
g
High-speed
switch
Freewheel
diode
40HFL40S02
V
= 25 V
d
+
Note
(1)
Formula used: TC = TJ - (Pd + Pd
Pd = Forward power loss = I
Pd
= Inverse power loss = VR1 x IR (1 - D); IR at VR1 = 10 V
REV
x VFM at (I
F(AV)
REV
) x R
;
thJC
/D) (see fig. 6);
F(AV)
www.vishay.com For technical questions, contact: [email protected]
Document Number: 94228
4 Revision: 15-Mar-10
Page 5
VS-47CTQ020SPbF, VS-47CTQ020-1PbF
ORDERING INFORMATION TABLE
Device code
VS- 47 C T Q 020 S TRL PbF
1 - HPP product suffix
2 - Current rating (40 A)
3
- Circuit configuration: C = Common cathode
4 - T = TO-220
5 - Schottky “Q” series
6 - Voltage rating (020 = 20 V)
7 - S = D2PAK
8 - None = Tube (50 pieces)
9
- PbF = Lead (Pb)-free
Schottky Rectifier, 2 x 20 A
324
-1 = TO-262
TRL = Tape and reel (left oriented - for D
TRR = Tape and reel (right oriented - for D
51
6789
Vishay High Power Products
2
PAK only)
2
PAK only)
LINKS TO RELATED DOCUMENTS
Dimensions www.vishay.com/doc?95014
Part marking information www.vishay.com/doc?95008
Packaging information www.vishay.com/doc?95032
www.vishay.com
Page 6
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000 www.vishay.com
Revision: 18-Jul-08 1
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