International Rectifier 40 CPQ 100 PbF Service Manual
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Bulletin PD-20675 rev. B 08/04
Base
Common
Cathode
Anode Anode
Common
Cathode
13
2
1
2
2
40CPQ080PbF
40CPQ100PbF
SCHOTTKY RECTIFIER 40 Amp
I
= 40Amp
F(AV)
VR = 80 -100V
Major Ratings and Characteristics
Characteristics Values Units
I
Rectangular 40 A
F(AV)
waveform
V
RRM
I
@ tp = 5 μs sine 2950 A
FSM
VF@ 20 Apk, TJ=125°C 0.61 V
(per leg)
T
J
80/100 V
- 55 to 175 °C
Description/ Features
The 40CPQ...PbF 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, free-wheeling diodes,
and reverse battery protection.
175° C TJ operation
Center tap TO-247 package
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
Low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
Lead-Free ("PbF" suffix)
Case Styles
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TO-247AC
1
40CPQ080PbF, 40CPQ100PbF
Bulletin PD-20675 rev. B 11/06
Voltage Ratings
Part number 40CPQ080 40CPQ100
V
Max. DC Reverse Voltage (V)
R
V
Max. Working Peak Reverse Voltage (V)
RWM
80 100
Absolute Maximum Ratings
Parameters 40CPQ Units Conditions
I
Max. Average Forward Current 40 A 50% duty cycle @ TC = 145°C, rectangular wave form
F(AV)
* See Fig. 5
I
Max. Peak One Cycle Non-Repetitive 2950 5μs Sine or 3μs Rect. pulse
FSM
Surge Current (Per Leg) * See Fig. 7 300 10ms Sine or 6ms Rect. pulse
EASNon-Repetitive Avalanche Energy 11.25 mJ T
A
= 25 °C, I
J
= 2 Amps, L = 5.6 mH
AS
(Per Leg)
IARRepetitive Avalanche Current 0.75 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 40CPQ Units Conditions
VFMMax. Forward Voltage Drop 0.77 V @ 20A
(Per Leg) * See Fig. 1 (1) 0.91 V @ 40A
0.61 V @ 20A
0.75 V @ 40A
IRMMax. Reverse Leakage Current 1.25 mA TJ = 25 °C
(Per Leg) * See Fig. 2 (1) 15 mA TJ = 125 °C
CTMax. Junction Capacitance (Per Leg) 600 pF VR = 5VDC (test signal range 100Khz to 1Mhz) 25°C
LSTypical Series Inductance (Per Leg) 7.5 nH Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change 10000 V/ μs
(Rated VR)
TJ = 25 °C
TJ = 125 °C
VR = rated V
(1) Pulse Width < 300μs, Duty Cycle <2%
R
Thermal-Mechanical Specifications
Parameters 40CPQ Units Conditions
TJMax. Junction Temperature Range -55 to 175 °C
T
Max. Storage Temperature Range -55 to 175 °C
stg
R
Max. Thermal Resistance Junction 1.25 °C/W DC operation * See Fig. 4
thJC
to Case (Per Leg)
R
Max. Thermal Resistance Junction 0.63 °C/W DC operation
thJC
to Case (Per Package)
R
Typical Thermal Resistance, Case 0.24 °C/W Mounting surface , smooth and greased
thCS
to Heatsink
wt Approximate Weight 6 (0.21) g (oz.)
T Mounting Torque Min. 6 (5) Non-lubricated threads
Max. 12 (10)
Kg-cm
(Ibf-in)
Case Style TO-247AC(TO-3P) JEDEC
Device Marking 40CPQ080
40CPQ100
2
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