VS-43CTQ...GSPbF, VS-43CTQ...G-1PbF Series
Vishay High Power Products
Schottky Rectifier, 2 x 20 A
VS-43CTQ...GS
VS-43CTQ...G-1
FEATURES
• 175 °C TJ operation
• Center tap configuration
• Low forward voltage drop
• High purity, high temperature epoxy
encapsulation for enhanced mechanical
Base
common
cathode
2
Common
cathode
2
strength and moisture resistance
• High frequency operation
• Guard ring for enhanced ruggedness and long
term reliability
• Meets MSL level 1, per J-STD-020, LF maximum peak of
260 °C
1
node 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 series has been optimized
PRODUCT SUMMARY
I
F(AV)
V
R
2 x 20 A
80 V/100 V
for very low reverse leakage at high temperature. The
proprietary barrier technology allows for reliable operation
up to 175 °C junction temperature. Typical applications are
in switching power supplies, converters, freewheeling
diodes, and reverse battery protection.
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES UNITS
I
F(AV)
V
I
FSM
V
T
RRM
F
J
Rectangular waveform 40 A
80/100 V
tp = 5 μs sine 850 A
20 Apk, TJ = 125 °C (per leg) 0.67 V
Range - 55 to 175 °C
VOLTAGE RATINGS
PARAMETER SYMBOL
Maximum DC reverse voltage V
Maximum working peak reverse voltage V
R
RWM
VS-43CTQ080GSPbF
VS-43CTQ080G-1PbF
80 100 V
VS-43CTQ100GSPbF
VS-43CTQ100G-1PbF
UNITS
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: 23-Mar-10 1
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 275
TJ = 25 °C, IAS = 0.5 A, L = 60 mH 7.5 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
applied
V
RRM
20
850
0.5 A
A
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VS-43CTQ...GSPbF, VS-43CTQ...G-1PbF Series
Vishay High Power Products
Schottky Rectifier, 2 x 20 A
ELECTRICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
20 A
Maximum forward voltage drop per leg
See fig. 1
V
FM
40 A 0.98
(1)
20 A
40 A 0.81
Maximum 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)
TJ = 25 °C
(1)
T
= 125 °C 13
J
TJ = TJ maximum
t
VR = 5 VDC (test signal range 100 kHz to 1 MHz), 25 °C 1480 pF
T
Measured lead to lead 5 mm from package body 8.0 nH
S
Maximum voltage rate of change dV/dt Rated V
T
= 25 °C
J
= 125 °C
T
J
V
= Rated V
R
R
R
0.81
0.67
0.36
0.71 V
0.43 mΩ
10 000 V/μs
Note
(1)
Pulse width < 300 μs, duty cycle < 2 %
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
DC operation
R
thJC
R
thCS
Mounting surface, smooth and greased 0.5
Case style D
Case style TO-262
2
PAK
- 55 to 175 °C
2.0
1.0
2g
0.07 oz.
kgf ⋅ cm
(lbf ⋅ in)
43CTQ080GS
43CTQ100GS
43CTQ080G-1
43CTQ100G-1
V
mA
°C/W
2 Revision: 23-Mar-10
Document Number: 94222
VS-43CTQ...GSPbF, VS-43CTQ...G-1PbF Series
Schottky Rectifier, 2 x 20 A
1000
100
TJ = 175 °C
T
= 125 °C
J
T
= 25 °C
10
1
- Instantaneous Forward Current (A)
F
I
0.2 0.4 0.6
V
0.8 1.0 1.2 1.4 1.6
- Forward Voltage Drop (V)
FM
Fig. 1 - Maximum Forward Voltage Drop Characteristics
(Per Leg)
J
1.8
10 000
Vishay High Power Products
1000
100
10
0.1
- Reverse Current (mA)
R
0.01
I
0.001
TJ = 175 °C
TJ = 150 °C
TJ = 125 °C
1
TJ = 100 °C
TJ = 75 °C
TJ = 50 °C
20 40
0
V
- Reverse Voltage (V)
R
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage (Per Leg)
TJ = 25 °C
60
80
100
TJ = 25 °C
1000
- Junction Capacitance (pF)
T
C
100
20 40 60
0
V
- Reverse Voltage (V)
R
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 0.001 0.01 0.1 1
Single pulse
(thermal resistance)
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
t1 - Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance Z
thJC
100
80
P
DM
Notes:
1. Duty factor D = t
2. Peak TJ = PDM x Z
Characteristics (Per Leg)
1/t2
t
1
thJC
t
2
+ T
C
100 10
Revision: 23-Mar-10 3
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