Bulletin PD-20694 rev. B 07/03
A
A
Anode
1
3
2
Base
Common
Cathode
2
Anode
Common
Cathode
40CTQ150
40CTQ150S
40CTQ150-1
SCHOTTKY RECTIFIER
Major Ratings and Characteristics Description/ Features
Characteristics 40CTQ... Units
I
Rectangular 40 A
F(AV)
waveform
V
RRM
I
@ tp = 5 µs sine 1500 A
FSM
VF@ 20 Apk, TJ=125°C 0.71 V
(per leg)
T
J
150 V
- 55 to 175 °C
The 40CTQ... 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,
free-wheeling diodes, and reverse battery protection.
175° C TJ 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
Case Styles
40 Amp
40CTQ150
Base
Common
Cathode
2
2
1
Common
Cathode
node
TO-220AB
3
Anode
40CTQ150S
Base
Common
Cathode
2
2
1
Common
Cathode
node
Anode
2
PAK
D
40CTQ150-1
3
TO-262
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40CTQ150, 40CTQ150S, 40CTQ150-1
Bulletin PD-20694 rev. B 07/03
Voltage Ratings
Part number Value
VRMax. DC Reverse Voltage (V)
V
Max. Working Peak Reverse Voltage (V)
RWM
150
Absolute Maximum Ratings
Parameters 40CTQ.. Units Conditions
I
Max. Average Forward (Per Leg) 20 A 50% duty cycle @ TC = 140 °C, rectangular wave form
F(AV)
Current * See Fig. 5 (Per Device) 40
I
Max. Peak One Cycle Non-Repetitive 1500 5µs Sine or 3µs Rect. pulse
FSM
Surge Current (Per Leg) * See Fig. 7 250 10ms Sine or 6ms Rect. pulse
EASNon-Repetitive Avalanche Energy 1.0 mJ T
(Per Leg)
A
= 25 °C, I
J
= 1.5 Amps, L = 0.9 mH
AS
IARRepetitive Avalanche Current 1.5 A Current decaying linearly to zero in 1 µsec
(Per Leg) Frequency limited by TJ max. VA = 1.5 x VR typical
Following any rated
load condition and with
rated V
RRM
applied
Electrical Specifications
Parameters 40CTQ.. Units Conditions
VFMMax. Forward Voltage Drop 0.93 V @ 20A
(Per Leg) * See Fig. 1 (1) 1.16 V @ 40A
0.71 V @ 20A
0.85 V @ 40A
IRMMax. Reverse Leakage Current 50 µA TJ = 25 °C
(Per Leg) * See Fig. 2 (1) 15 mA TJ = 125 °C
CTMax. Junction Capacitance (Per Leg) 450 pF VR = 5VDC (test signal range 100Khz to 1Mhz) 25°C
LSTypical Series Inductance (Per Leg) 8.0 nH Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change 10000 V/ µs
(Rated VR)
(1) Pulse Width < 300µs, Duty Cycle <2%
TJ = 25 °C
TJ = 125 °C
VR = rated V
R
Thermal-Mechanical Specifications
Parameters 40CTQ.. Units Conditions
TJMax. Junction Temperature Range -55 to 175 °C
T
Max. Storage Temperature Range -55 to 175 °C
stg
R
Max. Thermal Resistance Per Leg 1.5 ° C/ W DC operation * See Fig. 4
thJC
Junction to Case
R
Max. Thermal Resistance Per Package 0.75 °C/W DC operation
thJC
Junction to Case
R
Typical Thermal Resistance, 0. 5 °C /W Mounting surface , smooth and greased
thCS
Case to Heatsink
wt Approximate Weight 2 (0.07) g (oz.)
T Mounting Torque Min. 6 (5) Non-lubricated threads
Max. 12 (10)
2
Kg-cm
(Ibf-in)
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40CTQ150, 40CTQ150S, 40CTQ150-1
0
Bulletin PD-20694 rev. B 07/03
100
(A)
F
10
Instantaneous Forward Current - I
Tj = 175˚C
Tj = 125˚C
Tj = 25˚C
1000
Tj = 175˚C
150˚C
125˚C
(mA)
R
100
10
100˚C
1
75˚C
0.1
Reverse Current - I
0.01
0.001
0 20 40 60 80 100 120 140 160
Reverse Voltage - VR (V)
Fig. 2 - Typical Values of Reverse Current
Vs. Reverse Voltage
1000
T = 25˚C
J
( p F )
T
100
50˚C
25˚C
1
0 0.4 0.8 1.2 1.6
Forward Voltage Drop - VFM (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
10
(°C/W)
thJC
0.1
1
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
Single Pulse
(Thermal Resistance)
Thermal Impedance Z
0.01
0.00001 0.0001 0.001 0.01 0.1 1 10 100
t1, Rectangular Pulse Duration (Seconds)
Fig. 4 - Max. Thermal Impedance Z
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Junction Capacitance - C
10
0 40 80 120 16
Reverse Voltage - VR (V)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
P
DM
Notes:
1. Duty factor D = t1/ t 2
2. Peak Tj = Pdmx ZthJC + Tc
Characteristics
thJC
t
1
t
2
3
40CTQ150, 40CTQ150S, 40CTQ150-1
Bulletin PD-20694 rev. B 07/03
180
160
DC
140
Square wave (D = 0.50)
80% Vr applied
120
see note (2)
Allowable Case Temperature (°C)
100
0 5 10 15 20 25 30
Average Forward Current - IF
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
10000
(A)
FSM
1000
(A)
(AV)
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
25
20
15
RMS Limit
10
DC = 0.20
DC = 0.25
DC = 0.33
DC = 0.50
5
Average Power Loss ( Watts )
DC = 0.75
0
0 5 10 15 20 25 30
Average Forward Current - IF
(AV)
Fig. 6 - Forward Power Loss Characteristics
DC
(A)
(2) Formula used: TC = TJ - (Pd + Pd
Pd = Forward Power Loss = I
Pd
= Inverse Power Loss = VR1 x IR (1 - D); IR @ VR = 80% VR applied
REV
4
Non-Repetitive Surge Current - I
100
10 100 1000 10000
Square Wave Pulse Duration - t
(microsec)
p
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
) x R
thJC
x VFM @ (I
;
/ D) (see Fig. 6);
F(AV)
REV
F(AV)
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Outline Table
A
A
40CTQ150, 40CTQ150S, 40CTQ150-1
Bulletin PD-20694 rev. B 07/03
15.24 (0.60)
14.84 (0.58)
14.09 (0.55)
13.47 (0.53)
4.57 (0.18)
4.32 (0.17)
BASE
COMMON
CATHODE
2
1.40 (0.05)
1.15 (0.04)
15.49 (0.61)
14.73 (0.58)
3X
10.54 (0.41)
MAX.
3
1
2
3
2
1
93°
1.40 (0.055)
1.14 (0.045)
3.78 (0.15)
3.54 (0.14)
2.92 (0.11)
2.54 (0.10)
TERM 2
3.96 (0.16)
2.04 (0.080) MAX.
0.94 (0.04)
0.69 (0.03)
5.08 (0.20) REF.
10.16 (0.40)
REF.
8.89 (0.35)
DIA.
3.55 (0.14)
0.61 (0.02) MAX.
6.47 (0.25)
6.18 (0.24)
2.61 (0.10)
2.32 (0.09)
REF .
0.93 (0.37)
2X
0.69 (0.27)
1.32 (0.05)
1.22 (0.05)
6.48 (0.25)
6.23 (0.24)
2°
0.10 (0.004)
BASE
2.89 (0.11)
2.64 (0.10)
COMMON
CATHODE
2
123
COMMON
NODE
CATHODE
12
Conform to JEDEC outline TO-220AB
Dimensions in millimeters and (inches)
4.69 (0.18)
4.20 (0.16)
1.32 (0.05)
1.22 (0.05)
5.28 (0.21)
4.78 (0.19)
0.55 (0.02)
0.46 (0.02)
MINIMUM R ECOMME ND ED FOOTPR INT
11.43 (0.45)
ANODE
13
123
NODE
COMMON
ANODE
CATHODE
12
2
Conform to JEDEC outline D2Pak (SMD-220)
Dimensions in millimeters and (inches)
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4.57 (0.18)
4.32 (0.17)
0.61 (0.02) MAX.
5.08 (0.20) REF.
8.89 (0.35)
3.81 (0.15)
2.08 (0.08)
2X
17.78 (0.70)
2.54 (0.10)
2X
5
40CTQ150, 40CTQ150S, 40CTQ150-1
A
Bulletin PD-20694 rev. B 07/03
Outline Table
Modified JEDEC outline TO-262
Dimensions in millimeters and (inches)
BASE
COMMON
CATHODE
2
123
COMMON
NODE
12
CATHODE
ANODE
Marking Information
EXAMPLE: THIS IS A 40CTQ150
LOT CODE 1789
ASSEMBLED ON WW 19, 2000
IN THE ASSEMBLY LINE "C"
6
INTERNATIONAL
RECTIFIER
LOGO
ASSEMBLY
LOT CODE
PART NUMBER
DATE CODE
YEAR 0 = 200 0
WEEK 19
LINE C
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Ordering Information Table
Device Code
40CTQ150, 40CTQ150S, 40CTQ150-1
40 C T Q 150 -1
1
1 - Essential Part Number
2 - Common Cathode
3 - T = TO-220
4 - Q = Schottky Q Series
5 - Voltage Rating 150 = 150V
6 - "-1" = TO-262 Option
3
S= D2Pak
None = TO-220AB
524
Bulletin PD-20694 rev. B 07/03
6
This product has been designed and qualified for Industrial Level.
Data and specifications subject to change without notice.
Qualification Standards can be found on IR's Web site.
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
TAC Fax: (310) 252-7309
Visit us at www.irf.com for sales contact information. 07/03
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7
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