20CTQ150S, 20CTQ150-1
Vishay High Power Products
Schottky Rectifier, 2 x 10 A
20CTQ150S
20CTQ150-1
FEATURES
• 175 °C T
J
operation
• Center tap configuration
• 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
• Designed for industrial level
2
1 Common
3
Anode cathode Anode
2
1 Common
3
Anode cathode Anode
DESCRIPTION
This center tap Schottky rectifier 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.
D
2
PAK
TO-262
PRODUCT SUMMARY
I
F(AV)
V
R
2 x 10 A
150 V
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
I
F(AV)
V
RRM
I
FSM
V
F
T
J
t
p
= 5 µs sine
10 Apk, T
J
= 125 °C (per leg)
Range
CHARACTERISTICS
Rectangular waveform
VALUES
20
150
1030
0.66
- 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
20CTQ150S
20CTQ150-1
150
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
= 154 °C, rectangular waveform
20
A
1030
180
2.45
0.7
mJ
A
SYMBOL
TEST CONDITIONS
VALUES
10
UNITS
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
= 0.7 A, L = 10 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: 93953
Revision: 19-Aug-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
1
20CTQ150S, 20CTQ150-1
Vishay High Power Products
Schottky Rectifier, 2 x 10 A
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
10 A
Maximum forward voltage drop per leg
See fig. 1
V
FM (1)
20 A
10 A
20 A
Maximum reverse leakage current per leg
See fig. 2
Typical 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
TYP.
0.80
0.90
0.63
0.73
3.0
2.7
-
-
-
MAX.
0.88
1.0
0.66
0.77
25
5.0
280
8.0
10 000
µA
mA
pF
nH
V/µs
V
UNITS
T
J
= 125 °C
V
R
= Rated V
R
V
R
= 5 V
DC
(test signal range 100 kHz to 1 MHz) at 25 °C
Measured lead to lead 5 mm from package body
Rated V
R
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
Maximum junction and storage
temperature range
per leg
Maximum thermal resistance,
junction to case
per package
Typical thermal resistance,
case to heatsink
Approximate weight
minimum
maximum
Case style D
2
PAK
Case style TO-262
SYMBOL
T
J
, T
Stg
R
thJC
R
thCS
DC operation
Mounting surface, smooth and greased
(Only for TO-262)
TEST CONDITIONS
VALUES
- 55 to 175
2.0
1.0
0.50
2
0.07
6 (5)
12 (10)
g
oz.
kgf · cm
(lbf · in)
°C/W
UNITS
°C
Mounting torque
Marking device
20CTQ150S
20CTQ150-1
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2
For technical questions, contact: diodes-tech@vishay.com
Document Number: 93953
Revision: 19-Aug-08
20CTQ150S, 20CTQ150-1
Schottky Rectifier, 2 x 10 A
Vishay High Power Products
100
100
T
J
= 175 °C
T
J
= 150 °C
T
J
= 125 °C
T
J
= 100 °C
I
R
- Reverse Current (mA)
10
1
0.1
0.01
0.001
0.0001
I
F
- Instantaneous
Forward Current (A)
10
T
J
= 75 °C
T
J
= 50 °C
T
J
= 25 °C
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
1.8
2.0
0
20
40
60
80
100
120
140
160
V
FM
- Forward Voltage Drop (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
(Per Leg)
1000
V
R
- Reverse Voltage (V)
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage (Per Leg)
C
T
- Junction Capacitance (pF)
T
J
= 25 °C
100
10
0
40
80
120
160
V
R
- Reverse Voltage (V)
Fig. 3 - Typical Junction Capacitance vs.
Reverse Voltage (Per Leg)
10
Z
thJC
- Thermal Impedance (°C/W)
1
P
DM
t
1
0.1
Single pulse
(thermal resistance)
0.01
0.00001
0.0001
0.001
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
0.01
t
2
Notes:
1. Duty factor D = t
1
/t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.1
1
t
1
- Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance Z
thJC
Characteristics (Per Leg)
Document Number: 93953
Revision: 19-Aug-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
3
20CTQ150S, 20CTQ150-1
Vishay High Power Products
Schottky Rectifier, 2 x 10 A
180
10
9
Allowable Lead Temperature (°C)
Average Power Loss (W)
170
8
7
6
5
4
DC
160
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
150
Square wave (D = 0.50)
80 % rated V
R
applied
See note (1)
RMS limit
3
2
1
DC
140
130
0
0
2
4
6
8
10
12
14
16
0
3
6
9
12
15
I
F(AV)
- Average Forward Current (A)
Fig. 5 - Maximum Average Forward Current vs.
Allowable Lead Temperature
I
F(AV)
- Average Forward Current (A)
Fig. 6 - Maximum Average Forward Dissipation vs.
Average Forward Current
1000
I
FSM
- Non-Repetitive
Surge Current (A)
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 Peak Surge Forward Current vs. Pulse Duration
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: 93953
Revision: 19-Aug-08
20CTQ150S, 20CTQ150-1
Schottky Rectifier, 2 x 10 A
Vishay High Power Products
ORDERING INFORMATION TABLE
Device code
20
1
C
2
T
3
Q
4
150
5
S
6
TRL
7
-
8
1
2
3
4
5
6
7
-
-
-
-
-
-
-
Current rating (20 = 20 A)
C = Common cathode
T = TO-220
Q = Schottky “Q” series
Voltage rating (150 = 150 V)
-1 = TO-262
S = D
2
PAK
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: 93953
Revision: 19-Aug-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
5
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