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International Rectifier Electronic Components Datasheet

40CTQ045S Datasheet

SCHOTTKY RECTIFIER

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40CTQ045S pdf
SCHOTTKY RECTIFIER
Bulletin PD-20544 rev. C 12/01
40CTQ045
40CTQ045S
40CTQ045-1
40 Amp
Major Ratings and Characteristics
Characteristics
Values Units
IF(AV) Rectangular
waveform
VRRM
40
45
IFSM @ tp = 5 µs sine
1240
VF @20 Apk, TJ= 125°C
(per leg)
0.48
TJ range
- 55 to 150
A
V
A
V
°C
Description/Features
This 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
150° C junction temperature. Typical applications are in
switching power supplies, converters, free-wheeling diodes,
and reverse battery protection.
150° C TJ operation
Center tap configuration
Very 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
40CTQ...
Case Styles
40CTQ... S
40CTQ... -1
Base
Common
Cathode
2
1
Anode
2
Common
Cathode
3
Anode
TO-220
www.irf.com
Base
Common
Cathode
2
2
1 Common
3
Anode Cathode Anode
D2PAK
Base
Common
Cathode
2
1
Anode
2
Common
Cathode
3
Anode
TO-262
1



International Rectifier Electronic Components Datasheet

40CTQ045S Datasheet

SCHOTTKY RECTIFIER

No Preview Available !

40CTQ045S pdf
40CTQ045, 40CTQ045S, 40CTQ045-1
Bulletin PD-20544 rev. C 12/01
Voltage Ratings
Parameters
VR Max. DC Reverse Voltage (V)
VRWM Max. Working Peak Reverse Voltage (V)
Absolute Maximum Ratings
40CTQ045
40CTQ045S
40CTQ045-1
45
Parameters
IF(AV) Max.AverageForward (Per Leg)
Current * See Fig. 5 (Per Device)
IFSM Max.PeakOneCycleNon-Repetitive
Surge Current (Per Leg) * See Fig. 7
EAS Non-RepetitiveAvalancheEnergy
(Per Leg)
IAR RepetitiveAvalancheCurrent
(Per Leg)
Electrical Specifications
Values
20
40
1240
350
20
3
Units
Conditions
A 50% duty cycle @ TC= 116°C, rectangular wave form
A
5µs Sineor3µsRect.pulse
Following any rated
load condition and with
10ms Sine or 6ms Rect. pulse rated VRRM applied
mJ TJ = 25 °C, IAS = 3 Amps, L = 4.40 mH
A Current decaying linearly to zero in 1 µsec
Frequency limited by TJ max. VA = 1.5 x VR typical
Parameters
VFM Max. Forward Voltage Drop
(Per Leg) * See Fig. 1
(1)
IRM Max. Reverse Leakage Current
(Per Leg) * See Fig. 2 (1)
VF(TO) Threshold Voltage
rt Forward Slope Resistance
CT Max. Junction Capacitance (Per Leg)
LS Typical Series Inductance (Per Leg)
dv/dt Max. Voltage Rate of Change
(Rated VR)
Values
0.53
0.68
0.48
0.67
3
115
0.27
8.72
2800
8.0
10000
Thermal-Mechanical Specifications
Units
Conditions
V @ 20A
V @ 40A
TJ = 25 °C
V @ 20A
V @ 40A
TJ = 125 °C
mA TJ = 25 °C
mA TJ = 125 °C
V TJ = TJ max.
m
VR = rated VR
pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C
nH Measured lead to lead 5mm from package body
V/ µs
(1) Pulse Width < 300µs, Duty Cycle <2%
Parameters
TJ Max.JunctionTemperatureRange
Tstg Max.StorageTemperatureRange
RthJC Max.ThermalResistanceJunction
to Case (Per Leg)
RthJC Max.ThermalResistanceJunction
to Case (Per Package)
RthCS TypicalThermalResistance,Case
to Heatsink
wt ApproximateWeight
T MountingTorque
Min.
Max.
Values Units
Conditions
-55to150 °C
-55to150 °C
2.0 °C/W DC operation
1.0 °C/W DC operation
0.50
2(0.07)
6(5)
12(10)
°C/W Mounting surface , smooth and greased
(only for TO-220)
g (oz.)
Kg-cm
(Ibf-in)
2 www.irf.com



International Rectifier Electronic Components Datasheet

40CTQ045S Datasheet

SCHOTTKY RECTIFIER

No Preview Available !

40CTQ045S pdf
40CTQ045, 40CTQ045S, 40CTQ045-1
Bulletin PD-20544 rev. C 12/01
1000
1000
100 T J = 150 C
125 C
10 100 C
75 C
1
50 C
0.1
25 C
100 0.01
0.001
0 5 10 15 20 25 30 35 40 45
Reverse V oltag e - V R (V )
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage (PerLeg)
10000
10
T J= 150 C
T J= 125 C
T J= 25 C
1000
T J= 25 C
1
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
Forward V oltag e D rop - V FM (V)
Fig.1-Max. Forward Voltage Drop Characteristics
(PerLeg)
10
100
0
10 20 30 40 50
Reverse Voltag e - V R (V)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage (Per Leg)
D = 0.75
1 D = 0.50
D = 0.33
D = 0.25
D = 0.20
PD M
0.1
0.01
0.00001
Single Pulse
(Therm al Resistance)
N o te s:
t1
t2
1. D uty factor D = t 1/ t 2
2. Peak TJ = PDM x Z thJC+ T C
0.0 001
0.0 01
0 .01
0.1
1
10
t 1 , Rectang ular Pulse Duratio n (Seconds)
Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg)
100
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3




Part Number 40CTQ045S
Description SCHOTTKY RECTIFIER
Maker International Rectifier
Total Page 8 Pages
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