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International Rectifier Electronic Components Datasheet



409DMQ

SCHOTTKY RECTIFIER



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SCHOTTKY RECTIFIER
Bulletin PD-20724 rev. B 10/02
409DMQ... Series
400 Amp
Major Ratings and Characteristics
Characteristics
409DMQ... Units
IF(AV) Rectangular
waveform
VRRM
400
135 to150
IFSM @ tp = 5 µs sine
25,500
VF @200Apk,TJ=125°C
(per leg)
0.72
TJ range
- 55 to 175
A
V
A
V
°C
TO-244AB
isolated doubler
Description/ Features
The 409DMQ Schottky rectifier doubler module series 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
high current switching power supplies, plating power supplies,
UPS systems, converters, free-wheeling diodes, welding, and
reverse battery protection.
175 °C TJ operation
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
www.irf.com
1
2
3
Modified JEDEC
Outline TO-244AB Isolated
Dimensions in millimeters and (inches)
1



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409DMQ pdf
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409DMQ... Series
Bulletin PD-20724 rev. B 10/02
Voltage Ratings
Parameters
V R Max. DC Reverse Voltage (V)
VRWMMax. Working Peak Reverse Voltage (V)
409DMQ135
135
409DMQ150
150
Absolute Maximum Ratings
Parameters
IF(AV) Max.AverageForward
Current (PerDevice)
IFSM Max.PeakOneCycleNon-Repetitive
SurgeCurrent (Per Leg)
EAS Non-RepetitiveAvalancheEnergy
(Per Leg)
IAR RepetitiveAvalancheCurrent
(Per Leg)
Electrical Specifications
409DMQ Units
Conditions
400 A 50%dutycycle@TC= 80 °C, rectangular wave form
20000
2300
15
5µs Sineor3µsRect.pulse Following any rated
A load condition and with
10ms Sine or 6ms Rect. pulse rated VRRM applied
mJ TJ = 25 °C, IAS = 1 Amps, L = 30 mH
1 A Current decaying linearly tozero in1µsec
Frequency limited by TJ max. VA = 1.5 x VR typical
Parameters
409DMQ Units
Conditions
VFM Max. Forward Voltage Drop
(Per Leg)
(1)
1.03
1.21
0.71
0.82
IRM Max. Reverse Leakage Current
(Per Leg)
(1)
6
85
CT Max. Junction Capacitance (Per Leg)
LS Typical Series Inductance (Per Leg)
dv/dt Max. Voltage Rate of Change
(Rated VR)
6000
5.0
10000
Thermal-Mechanical Specifications
V @ 200A
V @ 400A
V @ 200A
V @ 400A
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 From top of terminal hole to mounting plane
V/ µs
(1) Pulse Width < 300µs, Duty Cycle <2%
Parameters
409DMQ Units
Conditions
TJ Max.JunctionTemperature Range
Tstg Max.Storage Temperature Range
-55 to175
-55 to175
°C
°C
RthJC Max.Thermal Resistance Junction
toCase (Per Leg)
0.4 °C/W DC operation
RthJC Max.Thermal Resistance Junction
toCase(Per Package)
0.2 °C/W DC operation
RthCS Typical Thermal Resistance,Case
to Heatsink
0.1 °C/W Mounting surface,smooth and greased
wt ApproximateWeight
79(2.80) g(oz.)
T MountingTorque Base
Min. 24(20)
Max.
Mounting Torque Center Hole Typ.
Terminal Torque
Min.
35(30)
13.5(12)
35(30)
Kg-cm
(Ibf-in)
Max. 46(40)
Case Style
TO - 244AB isolated doubler Modified JEDEC
2 www.irf.com



Part Number 409DMQ
Description SCHOTTKY RECTIFIER
Maker International Rectifier - International Rectifier
Total Page 5 Pages
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