32CTQ...SPbF/32CTQ...-1PbF
Vishay High Power Products
Schottky Rectifier, 2 x 15 A
32CTQ...SPbF
32CTQ...-1PbF
FEATURES
• 150 °C T
J
operation
• Low forward voltage drop
• High frequency operation
Available
RoHS*
COMPLIANT
Base
common
cathode
2
Base
common
cathode
2
• High purity, high temperature epoxy
encapsulation for enhanced mechanical strength and
moisture resistance
• Guard ring for enhanced ruggedness and long term
reliability
• Lead (Pb)-free (“PbF” suffix)
• Designed and qualified for Q101 level
2
1 Common
3
Anode cathode Anode
2
1 Common
3
Anode cathode Anode
DESCRIPTION
The 32CTQ... Schottky rectifier series has been optimized
for low reverse leakage at high temperature. 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.
D
2
PAK
TO-262
PRODUCT SUMMARY
I
F(AV)
V
R
2 x 15 A
25/30 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
Range
CHARACTERISTICS
Rectangular waveform
VALUES
30
25/30
900
0.40
- 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
32CTQ025SPbF
32CTQ025-1PbF
25
32CTQ030SPbF
32CTQ030-1PbF
30
UNITS
V
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Maximum average forward current
See fig. 5
Maximum peak one cycle non-repetitive
surge current
See fig. 7
Non-repetitive avalanche energy
Repetitive avalanche current
SYMBOL
I
F(AV)
TEST CONDITIONS
50 % duty cycle at T
C
= 115 °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
900
250
13
3
mJ
A
A
UNITS
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: 94203
Revision: 13-Aug-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
1
32CTQ...SPbF/32CTQ...-1PbF
Vishay High Power Products
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
15 A
Maximum forward voltage drop
See fig. 1
V
FM (1)
30 A
15 A
30 A
Maximum reverse leakage current
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
0.49
0.58
0.40
0.53
1.75
97
0.233
9.09
1300
8.0
10 000
mA
V
mΩ
pF
nH
V/µs
V
UNITS
Schottky Rectifier, 2 x 15 A
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
Typical thermal resistance,
case to heatsink
Approximate weight
minimum
maximum
Case style D
2
PAK
Marking device
Case style TO-262
SYMBOL
T
J
, T
Stg
R
thJC
R
thCS
DC operation
See fig. 4
Mounting surface, smooth and greased
TEST CONDITIONS
VALUES
- 55 to 150
3.25
°C/W
0.50
2
0.07
6 (5)
12 (10)
g
oz.
kgf
⋅
cm
(lbf
⋅
in)
UNITS
°C
Mounting torque
32CTQ025S
32CTQ030S
32CTQ025-1
32CTQ030-1
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For technical questions, contact: diodes-tech@vishay.com
Document Number: 94203
Revision: 13-Aug-08
32CTQ...SPbF/32CTQ...-1PbF
Schottky Rectifier, 2 x 15 A
Vishay High Power Products
I
F
- Instantaneous Forward Current (A)
1000
1000
I
R
- Reverse Current (mA)
100
10
T
J
= 150 °C
T
J
= 125 °C
T
J
= 100 °C
100
1
0.1
0.01
0.001
T
J
= 75 °C
T
J
= 50 °C
T
J
= 25 °C
10
T
J
= 150 °C
T
J
= 125 °C
T
J
= 25 °C
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)
0
5
10
15
20
25
30
V
R
- Reverse Voltage (V)
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage
Fig. 1 - Maximum Forward Voltage Drop Characteristics
10 000
C
T
- Junction Capacitance (pF)
1000
T
J
= 25 °C
100
0
5
10
15
20
25
30
35
V
R
- Reverse Voltage (V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
Z
thJC
- Thermal Impedance (°C/W)
10
1
P
DM
0.1
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
t
1
t
2
0.01
Single pulse
(thermal resistance)
Notes:
1. Duty factor D = t
1
/t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.001
0.00001
0.0001
0.001
0.01
0.1
1
10
t
1
- Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance Z
thJC
Characteristics
Document Number: 94203
Revision: 13-Aug-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
3
32CTQ...SPbF/32CTQ...-1PbF
Vishay High Power Products
160
Schottky Rectifier, 2 x 15 A
Allowable Case Temperature (°C)
10
Average Power Loss (W)
150
140
130
120
110
100
90
8
DC
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
DC
RMS limit
6
Square wave (D = 0.50)
80 % rated V
R
applied
4
2
See note (1)
80
0
0
5
10
15
20
25
0
5
10
15
20
25
I
F(AV)
- Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
I
F(AV)
- Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics
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
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
(1)
Formula used: T = T - (Pd + Pd
C
J
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
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For technical questions, contact: diodes-tech@vishay.com
Document Number: 94203
Revision: 13-Aug-08
32CTQ...SPbF/32CTQ...-1PbF
Schottky Rectifier, 2 x 15 A
Vishay High Power Products
ORDERING INFORMATION TABLE
Device code
32
1
1
2
3
4
5
6
7
-
-
-
-
-
-
C
2
T
3
Q
4
030
5
S
6
TRL PbF
7
8
Current rating (30 A)
Circuit configuration:
C = Common cathode
T = TO-220
Schottky “Q” series
Voltage rating
S = D
2
PAK
-1 = TO-262
025 = 25 V
030 = 30 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: 94203
Revision: 13-Aug-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
5
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