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40CPQ035-40CPQ040-40CPQ045
35V 40A Schottky Common Cathode Diode in a TO-247AC package
International
ISBR Rectifier
SCHOTTKY RECTIFIER
Major Ratings and Characteristics
Description/Features
Bulletin PD-2.307 rev.B 12/01
40CPQ035
40CPQ040
4OCPQO45
40 Amp
The 4OCPQ... centertap Schottky recWerhas been optimized
Characteristics 40CPQ... Units forvery Iowforward voltage drop, with moderate leakage. The
proprietary barrier technology allows for reliable operation up
|F(AV) Rectangular 40 A to 150° C junction temperature. Typical applications are in
waveform switching power supplies, converters, free-wheeling diodes,
and reverse battery protection.
V 35/40/45 V .
RRM . 150° C TJ operation
IFSM @tp=5 pssine 3500 A . Center tap TO-247 package
. High purity, high temperature epoxy enepsulatin. for
VF @20Apk, TJ=125°C 0.43 V enhanced mechanical strength and moisture resistance
. Very low forward voltage drop
(per leg) . .
. High frequency operation
To -55to150 cC . Guard ring for enhanced ruggedness and long term
reliability
Case Styles
4OCPQO45
Common
Cathode
Anode Anode
Common
Cathode
TO-247AC
1
40CPQ035, 40CPQO40, 40CPQ045
International
Bulletin PD-2.307 rev. B 12/01 IEER Rectifier
Voltage Ratings
Part number 40CPQO35 4OCPQ040 40CPQ045
v,, Max. DC Reverse Voltage (V)
. 35 40 45
VRWM Max. Working Peak Reverse Voltage (V)
Absolute Maximum Ratings
Parameters 4OCPQ... Units Conditions
IHAV) Max.Average Forward Current 40 A 50%dutycycle@Tc=120°C,rectangularwaveform
* See Fig. 5
I . - . . 5 Si 3 R t. I Followin an rated
FSM Max PeakOneCycleNon Repetitive 3500 A us me or us ec pu se load ('l.'l'lil'ig/.i)fti, with
Surge Current (Per Leg) *See Fig. 7 430 10ms Sine or6ms Rect. pulse rated VRRM applied
EAS Non-RepetitiveAvalancheEnergy 27 mJ To-- 25°C, IAS=4Amps, L=3.4mH
(Per Leg)
|AR RepetitiveAvaIancheCurrent 4 A Currentdecayinglinearlytozeroin1 psec
(Per Leg) Frequencylimited by T., max.VA=1.5xVR typical
Electrical SpeciMations
Parameters 4OCPQ... Units Conditions
Vo, Max. Forward Voltage Drop 0.49 V @ 20A T, = 25 cc
(Per Leg) * See Fig. 1 (1) 0.59 V @ 40A
0.43 V @ 20A T 125 "C
0.56 v @ 40A J -
I Max. Reverse Leakage Current 4 mA T = 25 °C
RM J v = rated v
(Per Leg) * See Fig. 2 (1) 150 mA T, = 125 "C R R
c, Max. Junction Capacitance (Per Leg) 1850 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C
Ls Typical Series Inductance (Per Leg) 7.5 nH Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change 10000 VI us
(Rated VR)
(1) Pulse VWdth < 300ps, Duty Cycle <2%
Thermal-Mechanical Specifications
Parameters 4OCPQ... Units Conditions
T J Max.Junction Temperature Range -55to150 "C
Tstg Max. StorageTemperature Range -55to150 ''C
mm Max. Thermal Resistance Junction 1.25 "CAN DC operation * See Fig. 4
to Case (Per Leg)
Rch Max.ThermaI Resistance Junction 0.63 "CA/V DC operation
to Case (Per Package)
Rmcs Typical Thermal Resistance, Case 0.24 "C/W Mounting surface , smooth and greased
to Heatsink
wt Approximate Weight 6(0.21) g(oz.)
T MountingTorque Min. 6(5) Kg-cm Non-Iubricatedthreads
Max. 12(10) (Ibf-in)
CaseStyle
TO-247AC(TO-3P)
