30CTQ...S/30CTQ...-1
Vishay High Power Products
Schottky Rectifier, 2 x 15 A
30CTQ...S
30CTQ...-1
FEATURES
• 175 °C T
J
operation
• Center tap TO-220 package
• Very low forward voltage drop
Base
common
cathode
2
Base
common
cathode
2
• 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
2
1 Common
3
Anode cathode Anode
2
1 Common
3
Anode cathode Anode
• Designed and qualified for Q101 level
DESCRIPTION
The 30CTQ... 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 175 °C junction temperature. Typical
applications are in switching power supplies, converters,
freewheeling diodes, and reverse battery protection.
D
2
PAK
TO-262
PRODUCT SUMMARY
I
F(AV)
V
R
2 x 15 A
35 to 45 V
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
I
F(AV)
V
RRM
I
FSM
V
F
T
J
t
p
= 5 µs sine
15 Apk, T
J
= 125 °C (per leg)
Range
CHARACTERISTICS
Rectangular waveform
VALUES
30
35 to 45
1060
0.56
- 55 to 175
UNITS
A
V
A
V
°C
VOLTAGE RATINGS
PARAMETER
Maximum DC reverse voltage
Maximum working peak reverse voltage
SYMBOL
V
R
V
RWM
30CTQ035S
30CTQ035-1
35
30CTQ040S
30CTQ040-1
40
30CTQ045S
30CTQ045-1
45
UNITS
V
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)
TEST CONDITIONS
50 % duty cycle at T
C
= 127 °C, rectangular waveform
5 µs sine or 3 µs rect. pulse
I
FSM
10 ms sine or 6 ms rect. pulse
E
AS
I
AR
Following any rated load
condition and with rated
V
RRM
applied
VALUES
30
1060
265
20
3.0
mJ
A
A
UNITS
T
J
= 25 °C, I
AS
= 3.0 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
Document Number: 93957
Revision: 06-Oct-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
1
30CTQ...S/30CTQ...-1
Vishay High Power Products
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
15 A
Maximum forward voltage drop per leg
See fig. 1
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
VALUES
0.62
0.76
0.56
0.70
2
15
900
8.0
10 000
mA
pF
nH
V/µs
V
UNITS
Schottky Rectifier, 2 x 15 A
T
J
= 125 °C
V
R
= Rated V
R
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
minimum
maximum
SYMBOL
T
J
, T
Stg
DC operation
See fig. 4
DC operation
R
thCS
Mounting surface, smooth and greased
TEST CONDITIONS
VALUES
- 55 to 175
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
Mounting torque
30CTQ035S
Case style D
2
PAK
Marking device
Case style TO-262
30CTQ040S
30CTQ045S
30CTQ035-1
30CTQ040-1
30CTQ045-1
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2
For technical questions, contact: diodes-tech@vishay.com
Document Number: 93957
Revision: 06-Oct-08
30CTQ...S/30CTQ...-1
Schottky Rectifier, 2 x 15 A
Vishay High Power Products
1000
1000
I
F
- Instantaneous Forward
Current (A)
100
I
R
- Reverse Current (mA)
100
10
1
0.1
0.01
0.001
0.0001
T
J
= 175 °C
T
J
= 150 °C
T
J
= 125 °C
T
J
= 100 °C
T
J
= 75 °C
T
J
= 50 °C
T
J
= 25 °C
0
5
10
15
20
25
30
35
40
45
10
T
J
=175° C
T
J
=125° C
T
J
= 25° C
1
0.1
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
V
FM
- Forward Voltage Drop (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
(Per Leg)
V
R
- Reverse Voltage (V)
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage (Per Leg)
1000
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
0.1
Single pulse
(thermal resistance)
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
0.01
0.00001
0.0001
0.001
0.01
0.1
1
1.0
t
1
- Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance Z
thJC
Characteristics (Per Leg)
Document Number: 93957
Revision: 06-Oct-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
3
30CTQ...S/30CTQ...-1
Vishay High Power Products
180
Schottky Rectifier, 2 x 15 A
Allowable Case Temperature (°C)
14
RthJC (DC) = 325 °C/W
170
Average Power Loss (Watts)
12
10
8
6
4
2
0
D = 0.08
D = 0.17
D = 0.25
D = 0.33
D = 0.50
RMS limit
160
150
DC
DC
140
130
0
2
4
6
8
10 12 14 16 18 20 22
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)
I
F(AV)
- Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
I
FSM
- Non-Repetitive Surge Current (A)
1000
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
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For technical questions, contact: diodes-tech@vishay.com
Document Number: 93957
Revision: 06-Oct-08
30CTQ...S/30CTQ...-1
Schottky Rectifier, 2 x 15 A
Vishay High Power Products
ORDERING INFORMATION TABLE
Device code
30
1
C
2
T
3
Q
4
045
5
S
6
TRL
7
-
8
1
2
3
4
5
6
7
-
-
-
-
-
-
Current rating (30 A)
Circuit configuration:
C = Common cathode
T = TO-220
Schottky “Q” series
Voltage ratings
S = D
2
PAK
-1 = TO-262
035 = 35
V
040 = 40
V
045 = 45
V
-
None = Tube (50 pieces)
TRL = Tape and reel (left oriented - for D
2
PAK only)
TRR = Tape and reel (right oriented - for D
2
PAK only)
8
-
None = Standard production
PbF = Lead (Pb)-free
LINKS TO RELATED DOCUMENTS
Dimensions
Part marking information
Packaging information
http://www.vishay.com/doc?95014
http://www.vishay.com/doc?95008
http://www.vishay.com/doc?95032
Document Number: 93957
Revision: 06-Oct-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
5
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