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International Rectifier
International Rectifier

40CPQ035 Datasheet

SCHOTTKY RECTIFIER


40CPQ035 Datasheet Preview


SCHOTTKY RECTIFIER
Bulletin PD-2.307 rev. B 12/01
40CPQ035
40CPQ040
40CPQ045
40 Amp
Major Ratings and Characteristics
Characteristics
40CPQ... Units
IF(AV) Rectangular
waveform
VRRM
IFSM @ tp = 5 µs sine
VF @20 Apk, TJ=125°C
(per leg)
TJ
40
35/40/45
3500
0.43
- 55 to 150
A
V
A
V
°C
Description/Features
The 40CPQ... 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 TO-247 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
www.irf.com
Case Styles
40CPQ045
TO-247AC
Base
Common
Cathode
2
1
Anode
1
2
Common
Cathode
3
Anode
2
1
Page 1

40CPQ035, 40CPQ040, 40CPQ045
Bulletin PD-2.307 rev. B 12/01
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V)
VRWM Max. Working Peak Reverse Voltage (V)
40CPQ035
35
40CPQ040
40
40CPQ045
45
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current
* See Fig. 5
IFSM Max. Peak One Cycle Non-Repetitive
Surge Current (Per Leg) * See Fig. 7
EAS Non-RepetitiveAvalancheEnergy
(Per Leg)
IAR RepetitiveAvalancheCurrent
(Per Leg)
40CPQ... Units
Conditions
40 A 50% duty cycle @ TC = 120 °C, rectangular wave form
3500
430
27
A
5µs Sine or 3µs Rect. pulse
Following any rated
load condition and with
10ms Sine or 6ms Rect. pulse rated VRRM applied
mJ TJ = 25 °C, IAS = 4 Amps, L = 3.4 mH
4 A Current decaying linearly to zero in 1 µsec
Frequency limited by TJ max. VA = 1.5 x VR typical
Electrical Specifications
Parameters
40CPQ... Units
Conditions
VFM Max. Forward Voltage Drop
(Per Leg) * See Fig. 1
(1)
IRM Max. Reverse Leakage Current
(Per Leg) * See Fig. 2 (1)
CT Max. Junction Capacitance (Per Leg)
LS Typical Series Inductance (Per Leg)
dv/dt Max. Voltage Rate of Change
(Rated VR)
0.49
0.59
0.43
0.56
4
150
1850
7.5
10000
Thermal-Mechanical Specifications
V @ 20A
V @ 40A
V @ 20A
V @ 40A
TJ = 25 °C
TJ = 125 °C
mA TJ = 25 °C
mA TJ = 125 °C
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. Junction Temperature Range
Tstg Max. Storage Temperature Range
RthJC Max. Thermal Resistance Junction
to Case (Per Leg)
RthJC Max. Thermal Resistance Junction
to Case (Per Package)
RthCS Typical Thermal Resistance, Case
to Heatsink
wt Approximate Weight
T MountingTorque
Min.
Max.
Case Style
40CPQ... Units
Conditions
-55 to 150 °C
-55 to 150 °C
1.25 °C/W DCoperation * See Fig. 4
0.63 °C/W DCoperation
0.24 °C/W Mounting surface , smooth and greased
6 (0.21) g (oz.)
6 (5) Kg-cm Non-lubricatedthreads
12 (10) (Ibf-in)
TO-247AC(TO-3P) JEDEC
2 www.irf.com
Page 2

1000
100
10
1
TJ=150°C
TJ=125°C
TJ= 25°C
40CPQ035, 40CPQ040, 40CPQ045
Bulletin PD-2.307 rev. B 12/01
1000
100
10
1
.1
.01
TJ=150°C
125°C
100°C
75°C
50°C
25°C
.001
0 5 10 15 20 25 30 35 40 45
ReverseVoltage- VR(V)
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage (Per Leg)
10000
1000
TJ=25°C
.1
0 .2 .4 .6 .8 1 1.2 1.4
ForwardVoltageDrop- VFM(V)
Fig. 1 - Max. Forward Voltage Drop Characteristics
(Per Leg)
10
100
0
10 20 30 40 50
ReverseVoltage- VR(V)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage (Per Leg)
1 D=0.50
D=0.33
D=0.25
.1
D=0.17
D=0.08
.01
.001
.00001
SinglePulse
(Thermal Resistance)
.0001
.001
.01
PDM
t1
t2
Notes:
1. DutyfactorD= t1/ t2
2. PeakTJ=PDMxZthJC+TC
.1 1 10 100
t1, RectangularPulseDuration(Seconds)
Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg)
www.irf.com
3
Page 3
Part Number 40CPQ035
Manufactur International Rectifier
Description SCHOTTKY RECTIFIER
Total Page 6 Pages
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