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400DMQ035 Datasheet, PDF (2/5 Pages) International Rectifier – SCHOTTKY RECTIFIER
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400DMQ... Series
Bulletin PD-20736 rev. B 10/02
Voltage Ratings
Part number
400DMQ035 400DMQ040 400DMQ045
V R Max. DC Reverse Voltage (V)
VRWM Max. Working Peak Reverse Voltage (V)
Absolute Maximum Ratings
35
40
45
Parameters
400DMQ Units
Conditions
IF(AV) Max.AverageForwardCurrent
(Per Device)
IFSM Max.PeakOneCycleNon-Repetitive
Surge Current (Per Leg)
EAS Non-Repetitive Avalanche Energy
(Per Leg)
I AR Repetitive Avalanche Current
(Per Leg)
400
29,000
3400
180
40
A 50% duty cycle @ TC = 70 °C, rectangular wave form
5µs Sineor3µsRect.pulse Following any rated
A
load condition and with
10ms Sine or 6ms Rect. pulse rated VRRMapplied
mJ TJ = 25 °C, IAS = 40 Amps, L = 0.22 mH
A Current decaying linearly to zeroin1µsec
Frequency limited by TJ max. VA = 1.5 x VR typical
Electrical Specifications
Parameters
400DMQ 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)
0.57
0.73
0.52
0.68
20
1
10,300
5.0
10000
V @ 200A
V @ 400A
TJ = 25 °C
V @ 200A
V @ 400A
TJ = 125 °C
mA TJ = 25 °C
A TJ = 125 °C
VR = rated VR
pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C
nH From top of terminal hole to mounting plane
V/ µs
Thermal-Mechanical Specifications
(1) Pulse Width < 300µs, Duty Cycle <2%
Parameters
400DMQ Units
Conditions
TJ Max.JunctionTemperatureRange
Tstg Max.StorageTemperatureRange
-55to150 °C
-55to150 °C
RthJC Max.ThermalResistanceJunction
to Case (Per Leg)
0.4
°C/W DCoperation
* See Fig. 4
RthJC Max.ThermalResistanceJunction
to Case (Per Package)
0.2
°C/W DCoperation
RthCS TypicalThermalResistance,Case
to Heatsink
0.1
°C/W Mountingsurface,smoothandgreased
wt ApproximateWeight
79(2.80) g(oz.)
T MountingTorqueBase
Min. 24(20)
Mou ueCenterHole
Terminal Torque
Max.
Typ.
Min.
35 (30)
13.5 (12)
35 (30)
Kg-cm
(Ibf-in)
Max. 46(40)
Case Style
TO - 244AB isolated doubler Modified JEDEC
2
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