Bulletin PD-21033 rev. C 07/06
30CTQ...SPbF
30CTQ... -1PbF
SCHOTTKY RECTIFIER
30 Amp
I
F(AV)
= 30Amp
V
R
= 35/ 45V
Major Ratings and Characteristics
Characteristics
I
F(AV)
Rectangular
waveform
V
RRM
I
FSM
@ tp = 5
μs
sine
V
F
T
J
@ 15 Apk, T
J
= 125°C
(per leg)
Description/ Features
Units
A
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 opera-
tion up to 175° C junction temperature. Typical applications
are in switching power supplies, converters, free-wheeling
diodes, and reverse battery protection.
175° C T
J
operation
Center tap TO-220 package
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
Very low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
Lead-Free ("PbF" suffix)
Values
30
35/ 45
1060
0.56
V
A
V
- 55 to 175
°C
Case Styles
30CTQ...SPbF
30CTQ...-1PbF
Base
Common
Cathode
2
Base
Common
Cathode
2
1
Anode
2
Common
Cathode
3
1
Anode
Anode
2
Common
Cathode
3
Anode
D
2
PAK
Document Number: 94188
TO-262
www.vishay.com
1
30CTQ...SPbF, 30CTQ...-1PbF Series
Bulletin PD-21033 rev. C 07/06
Voltage Ratings
Part number
V
R
Max. DC Reverse Voltage (V)
V
RWM
Max. Working Peak Reverse Voltage (V)
30CTQ035SPbF
30CTQ035-1PbF
35
30CTQ040SPbF
30CTQ040-1PbF
40
30CTQ045SPbF
30CTQ045-1PbF
45
Absolute Maximum Ratings
Parameters
I
F(AV)
Max. Average Forward Current
* See Fig. 5
I
FSM
E
AS
I
AR
Max. Peak One Cycle Non-Repetitive
Surge Current (Per Leg) * See Fig. 7
Non-Repetitive Avalanche Energy
(Per Leg)
Repetitive Avalanche Current
(Per Leg)
1060
265
20
3.0
A
mJ
A
5μs Sine or 3μs Rect. pulse
10ms Sine or 6ms Rect. pulse
Following any rated
load condition and with
rated V
RRM
applied
30CTQ Units
30
A
Conditions
50% duty cycle @ T
C
= 127°C, rectangular wave form
T
J
= 25 °C, I
AS
= 3.0 Amps, L = 4.40 mH
Current decaying linearly to zero in 1
μsec
Frequency limited by T
J
max. V
A
= 1.5 x V
R
typical
Electrical Specifications
Parameters
V
FM
Max. Forward Voltage Drop
(Per Leg) * See Fig. 1
(1)
30CTQ Units
0.62
0.76
0.56
0.70
2
15
900
8.0
10000
V
V
V
V
mA
mA
pF
nH
@ 15A
@ 30A
@ 15A
@ 30A
Conditions
T
J
= 25 °C
T
J
= 125 °C
V
R
= rated V
R
I
RM
C
T
L
S
Max. Reverse Leakage Current
(Per Leg) * See Fig. 2
(1)
Max. Junction Capacitance (Per Leg)
Typical Series Inductance (Per Leg)
T
J
= 25 °C
T
J
= 125 °C
V
R
= 5V
DC
(test signal range 100Khz to 1Mhz) 25°C
Measured lead to lead 5mm from package body
(1) Pulse Width < 300μs, Duty Cycle <2%
dv/dt Max. Voltage Rate of Change
V/
μs
(Rated V
R
)
Thermal-Mechanical Specifications
Parameters
T
J
T
stg
Max. Junction Temperature Range
Max. Storage Temperature Range
30CTQ Units
-55 to 175
-55 to 175
3.25
1.63
0.50
2 (0.07)
Min.
Max.
6 (5)
12 (10)
°C
°C
Conditions
R
thJC
Max. Thermal Resistance Junction
to Case (Per Leg)
R
thJC
Max. Thermal Resistance Junction
to Case (Per Package)
R
thCS
Typical Thermal Resistance, Case
to Heatsink
wt
T
Approximate Weight
Mounting Torque
Marking Device
°C/W DC operation
°C/W DC operation
* See Fig. 4
°C/W Mounting surface , smooth and greased
g (oz.)
Kg-cm
(Ibf-in)
Case style D
2
Pak
Case style TO-262
30CTQ...S
30CTQ...-1
Document Number: 94188
www.vishay.com
2
30CTQ...SPbF, 30CTQ...-1PbF Series
Bulletin PD-21033 rev. C 07/06
10
00
10
00
10
0
R v rs C r n - I ( A
e e e ure t
m)
R
1
0
1
.1
.0
1
.0 1
0
.0 0
01
0
T =1 5 C
7°
J
1 0C
5°
1 5C
2°
1 0C
0°
7°
5C
5°
0C
2°
5C
10
0
In ta ta e u F rw rdC rre t - I (A
s n nos o a
u n
)
F
5
1 1 2 2 3 3 4 4
0 5 0 5 0 5 0 5
R v rs V lta e- V (V
ee e o g
R )
1
0
T =1 5 C
7°
J
T =1 5 C
2°
J
T= 2 °
5C
J
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage (Per Leg)
10
00
J n tio C p cita c - C (p )
uc n aa ne
F
T
T =2 °
5C
J
1
.1
0
.2
.4
.6
.8
1
1
.2 1
.4
1
.6
1
.8
10
0
0
1
0
2
0
3
0
4
0
5
0
F rw rdV lta eD p- V (V
o a
o g ro
)
F
M
R v rs V lta e- V (V
ee e o g
)
R
Fig. 1 - Max. Forward Voltage Drop Characteristics
(Per Leg)
10
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage (Per Leg)
Thermal Impedance Z
thJC
(°C/W)
D = 0.75
D = 0.50
1
D = 0.33
D = 0.25
D = 0.20
0.1
Single Pulse
(Thermal Resistance)
0.01
1E-05
1E-04
1E-03
1E-02
1E-01
1E+00
1E+01
t
1
, Rectangular Pulse Duration (Seconds)
Fig. 4 - Max. Thermal Impedance Z
thJC
Characteristics (Per Leg)
Document Number: 94188
www.vishay.com
3
30CTQ...SPbF, 30CTQ...-1PbF Series
Bulletin PD-21033 rev. C 07/06
10
8
A w b C s T m e tu - (° )
llo a le a e e p ra re C
R J (D ) =3 5 C
.2 ° /W
th C C
1
4
D=0 8
.0
1
2 D=0 7
.1
D=0 5
.2
.3
1
0 D=0 3
D=0 0
.5
8
6 R SL it
M im
4
2
0
0 2 4 6 8 1 1 1 1 1 2 2
0 2 4 6 8 0 2
A e g F rw rdC rre t - I
v ra e o a
u n
(A
)
F V
(A )
D
C
10
7
10
6
10
5
D
C
10
4
10
3
0 2 4 6 8 1 1 1 1 1 2 2
0 2 4 6 8 0 2
A e g F rw rdC rre t - I
v ra e o a
u n
F V
(A )
(A
)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
1000
FSM
A e g P w r L s - (W tts
v ra e o e o s
a )
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
Non-Repetitive Surge Current - I
(A)
At Any Rated Load Condition
And With Rated V
RRM
Applied
Following Surge
100
10
100
1000
10000
Square Wave Pulse Duration - t
p
(microsec)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
L
HIGH-S
PEED
S CH
WIT
FREE-WHEEL
DIODE
40HF
L40S
02
+
DUT
IR P460
F
R = 25 ohm
g
Vd = 25 Volt
CURRENT
MONIT
OR
Fig. 8 - Unclamped Inductive Test Circuit
Document Number: 94188
www.vishay.com
4
30CTQ...SPbF, 30CTQ...-1PbF Series
Bulletin PD-21033 rev. C 07/06
Outlines Table
Conform to JEDEC outline D
2
Pak (SMD-220)
Dimensions in millimeters and (inches)
Modified JEDEC outline TO-262
Dimensions in millimeters and (inches)
Document Number: 94188
www.vishay.com
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