12CTQ...SPbF, 12CTQ...-1PbF
Vishay High Power Products
Schottky Rectifier, 2 x 6 A
12CTQ...SPbF
12CTQ...-1PbF
FEATURES
•
•
•
•
175 °C T
J
operation
Center tap TO-220 package
Low forward voltage drop
High purity, high temperature epoxy
encapsulation for enhanced mechanical
strength and moisture resistance
High frequency operation
Guard ring for enhanced ruggedness and long
term reliability
Compliant to RoHS directive 2002/95/EC
Halogen-free according to IEC 61249-2-21 definition
AEC-Q101 qualified
Base
common
cathode
2
Base
common
cathode
2
•
•
•
•
•
2
1 Common
3
Anode cathode Anode
2
1 Common
3
Anode cathode Anode
D
2
PAK
DESCRIPTION
TO-262
PRODUCT SUMMARY
I
F(AV)
V
R
2x6A
35 V to 45 V
The 12CTQ... center tap Schottky rectifier series has been
optimized for 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
I
F(AV)
V
RRM
I
FSM
V
F
T
J
Range
t
p
= 5 µs sine
6 Apk, T
J
= 125 °C (per leg)
Range
CHARACTERISTICS
Rectangular waveform
VALUES
12
35 to 45
690
0.53
- 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
12CTQ035SPbF
12CTQ035-1PbF
35
12CTQ040SPbF
12CTQ040-1PbF
40
12CTQ045SPbF
12CTQ045-1PbF
45
UNITS
V
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Maximum average
forward current
See fig. 5
per leg
I
F(AV)
per device
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
50 % duty cycle at T
C
= 160 °C, rectangular waveform
12
690
A
140
8
1.20
mJ
A
SYMBOL
TEST CONDITIONS
VALUES UNITS
6
A
Maximum peak one cycle non-repetitive
surge current per leg
See fig. 7
Non-repetitive avalanche energy per leg
Repetitive avalanche current per leg
T
J
= 25 °C, I
AS
= 1.20 A, L = 11.10 mH
Current decaying linearly to zero in 1 µs
Frequency limited by T
J
maximum V
A
= 1.5 x V
R
typical
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 94131
Revision: 07-Sep-09
For technical questions, contact:
diodestech@vishay.com
www.vishay.com
1
12CTQ...SPbF, 12CTQ...-1PbF
Vishay High Power Products
Schottky Rectifier, 2 x 6 A
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
6A
Maximum forward voltage drop per leg
See fig. 1
V
FM (1)
12 A
6A
12 A
Maximum reverse leakage current per leg
See fig. 2
Threshold voltage
Forward slope resistance
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)
V
F(TO)
r
t
C
T
L
S
dV/dt
T
J
= 25 °C
T
J
= 125 °C
T
J
= T
J
maximum
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
TEST CONDITIONS
T
J
= 25 °C
VALUES
0.60
0.73
0.53
0.64
0.8
7.0
0.35
18.23
400
8.0
10 000
mA
V
mΩ
pF
nH
V/µs
V
UNITS
T
J
= 125 °C
V
R
= 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
3.50
1.75
0.50
2
0.07
6 (5)
12 (10)
g
oz.
kgf · cm
(lbf · in)
°C/W
UNITS
°C
R
thJC
Mounting torque
12CTQ035S
Case style D
2
PAK
Marking device
Case style TO-262
12CTQ040S
12CTQ045S
12CTQ035-1
12CTQ040-1
12CTQ045-1
www.vishay.com
2
For technical questions, contact:
diodestech@vishay.com
Document Number: 94131
Revision: 07-Sep-09
12CTQ...SPbF, 12CTQ...-1PbF
Schottky Rectifier, 2 x 6 A
Vishay High Power Products
100
100
T
J
= 175 °C
I
F
- Instantaneous Forward
Current (A)
I
R
- Reverse Current (mA)
10
1
0.1
T
J
= 75 °C
0.01
T
J
= 50 °C
0.001
T
J
= 25 °C
0.0001
T
J
= 150 °C
T
J
= 125 °C
T
J
= 100 °C
10
T
J
= 175 °C
T
J
= 125 °C
T
J
= 25 °C
1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
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)
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
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
Single pulse
(thermal resistance)
0.1
P
DM
t
1
t
2
0.01
Notes:
1. Duty factor D = t
1
/t
2
.
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.01
0.1
1
10
.
100
0.001
0.00001
0.0001
0.001
t
1
- Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance Z
thJC
Characteristics (Per Leg)
Document Number: 94131
Revision: 07-Sep-09
For technical questions, contact:
diodestech@vishay.com
www.vishay.com
3
12CTQ...SPbF, 12CTQ...-1PbF
Vishay High Power Products
Schottky Rectifier, 2 x 6 A
175
5.0
4.5
170
Allowable Case Temperature (°C)
Average Power Loss (W)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
RMS limit
165
DC
160
Square
wave
(D = 0.50)
80 %
rated
V
R
applied
155
See note (1)
150
0
2
4
6
8
10
DC
0
0
2
4
6
8
10
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
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)
www.vishay.com
4
For technical questions, contact:
diodestech@vishay.com
Document Number: 94131
Revision: 07-Sep-09
12CTQ...SPbF, 12CTQ...-1PbF
Schottky Rectifier, 2 x 6 A
Vishay High Power Products
ORDERING INFORMATION TABLE
Device code
12
1
1
2
3
4
5
6
7
-
-
-
-
-
-
C
2
T
3
Q
4
045
5
S
6
TRL PbF
7
8
Current rating (12 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
www.vishay.com/doc?95014
www.vishay.com/doc?95008
www.vishay.com/doc?95032
Document Number: 94131
Revision: 07-Sep-09
For technical questions, contact:
diodestech@vishay.com
www.vishay.com
5
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