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409DMQ135
Vishay High Power Products
Schottky Rectifier, 400 A
1
TO-244AB Isolated Doubler
2
3
PRODUCT SUMMARY
IF(AV)
VR
400 A
135 V
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
CHARACTERISTICS
IF(AV)
Rectangular waveform
VRRM
IFSM
tp = 5 μs sine
VF 200 Apk, TJ = 125 °C per leg
TJ Range
FEATURES
• 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
• Compliant to RoHS directive 2002/95/EC
• Designed and qualified for industrial level
DESCRIPTION
The 409DMQ135 Schottky rectifier doubler module 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,
freewheeling diodes, welding, and reverse battery
protection.
VALUES
400
135
25 500
0.72
- 55 to 175
UNITS
A
V
A
V
°C
VOLTAGE RATINGS
PARAMETER
Maximum DC reverse voltage
Maximum working peak reverse voltage
SYMBOL
VR
VRWM
409DMQ135
135
UNITS
V
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Maximum average forward current per device IF(AV)
Maximum peak one cycle non-repetitive
surge current per leg
IFSM
Non-repetitive avalanche energy per leg
Repetitive avalanche current per leg
EAS
IAR
TEST CONDITIONS
VALUES
50 % duty cycle at TC = 80 °C, rectangular waveform
400
5 μs sine or 3 μs rect. pulse
10 ms sine or 6 ms rect. pulse
Following any rated load
condition and with rated
VRRM applied
20 000
2300
TJ = 25 °C, IAS = 1 A, L = 30 mH
Current decaying linearly to zero in 1 μs
Frequency limited by TJ maximum VA = 1.5 x VR typical
15
1
UNITS
A
mJ
A
Document Number: 93110
Revision: 18-Nov-09
For technical questions, contact: indmodules@vishay.com
www.vishay.com
1

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409DMQ135
Vishay High Power Products Schottky Rectifier, 400 A
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
Maximum forward voltage drop per leg
VFM (1)
Maximum reverse leakage current per leg
Maximum junction capacitance per leg
Typical series inductance per leg
Maximum voltage rate of change
Note
(1) Pulse width < 300 μs, duty cycle < 2 %
IRM (1)
CT
LS
dV/dt
TEST CONDITIONS
200 A
400 A
TJ = 25 °C
200 A
400 A
TJ = 125 °C
TJ = 25 °C
TJ = 125 °C
VR = Rated VR
VR = 5 VDC (test signal range 100 kHz to 1 MHz), 25 °C
From top of terminal hole to mounting plane
Rated VR
VALUES
1.03
1.21
0.71
0.82
6
85
6000
5.0
10 000
UNITS
V
mA
pF
nH
V/μs
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
TEST CONDITIONS
Maximum junction and
storage temperature range
TJ, TStg
Maximum thermal resistance,
junction to case
per leg
per package
RthJC
DC operation
Typical thermal resistance,
case to heatsink
RthCS Mounting surface, smooth and greased
Approximate weight
Mounting torque base
Mounting torque center hole
Terminal torque
Case style
minimum
maximum
typical
minimum
maximum
Non-lubricated threads
Modified JEDEC
VALUES
UNITS
- 55 to 175
°C
0.4
°C/W
0.2
0.1 °C/W
79 g
2.80 oz.
24 (20)
35 (30)
13.5 (12)
35 (30)
kgf · cm
(lbf · in)
46 (40)
TO-244AB Isolated Doubler
www.vishay.com
2
For technical questions, contact: indmodules@vishay.com
Document Number: 93110
Revision: 18-Nov-09

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409DMQ135
Schottky Rectifier, 400 A Vishay High Power Products
1000
100
TJ = 150˚C
TJ = 125˚C
TJ = 25˚C
10
1000
100 TJ = 175˚C
150˚C
10 125˚C
1
0.1
0.01
100˚C
75˚C
50˚C
25˚C
0.001
0
30 60 90 120 150
Reverse Voltage-V (V)
R
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage
10000
1000
TJ = 25˚C
1
0 0.4 0.8 1.2 1.6 2
Forward Voltage Drop-VFM(V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
100
0
30 60 90 120
Reverse Voltage-VR(V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
1
D = 0.75
D = 0.50
D = 0.33
0.1 D = 0.25
D = 0.20
PDM
0.01
0.001
0.00001
Single Pulse
(Thermal Resistance)
t1
t2
Notes:
1. Duty factor D = t1 / t2
2. Peak TJ= PDMx Z thJC+ T C
0.0001 0.001
0.01
0.1
1
t1,RectangularPulseDuration(Seconds)
10
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics
100
Document Number: 93110
Revision: 18-Nov-09
For technical questions, contact: indmodules@vishay.com
www.vishay.com
3

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409DMQ135
Vishay High Power Products Schottky Rectifier, 400 A
180
160
140 DC
120
100
80 Square wave (D = 0.50)
Rated VR applied
60
see note (1)
40
0 200
400
600
AverageForwardCurrent-IF(AV)(A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
100000
600
D = 0.20
500 D = 0.25
D = 0.33
D = 0.50
400 D = 0.75
RMS Limit
300
DC
200
100
0
0 100 200 300 400 500 600
AverageForwardCurrent-IF(AV)(A)
Fig. 6 - Forward Power Loss Characteristics
10000
At Any Rated Load Condition
And With Rated VRRM Applied
Following Surge
1000
10
100
1000
10000
SquareWavePulseDuration-tp(microsec)
Fig. 7 - Maximum Non-Repetitive Surge Current
D.U.T.
Current
monitor
L
IRFP460
Rg = 25 Ω
High-speed
switch
Freewheel
diode
+ Vd = 25 V
40HFL40S02
Fig. 8 - Unclamped Inductive Test Circuit
Note
(1) Formula used: TC = TJ - (Pd + PdREV) x RthJC;
Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6); PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = 80 % rated VR
Dimensions
LINKS TO RELATED DOCUMENTS
www.vishay.com/doc?95269
www.vishay.com
4
For technical questions, contact: indmodules@vishay.com
Document Number: 93110
Revision: 18-Nov-09

No Preview Available !

TO-244AB Isolated
Outline Dimensions
Vishay Semiconductors
DIMENSIONS in millimeters (inches)
Common
cathode
80.01 (3.150)
40.26 (1.585)
39.75 (1.565)
Ø 7.49 (0.295)
Ø 6.99 (0.275)
(2 places)
23.55 (0.927)
20.42 (0.804)
34.925 (1.375)
REF.
63.50 (2.500)
60.96 (2.400)
123
92.71 (3.650)
90.17 (3.550)
20.32 (0.800)
17.78 (0.700)
1/4-20 slotted hex
15.75 (0.620)
14.99 (0.590)
3.35 (0.132)
3.02 (0.119)
Document Number: 95269
Revision: 13-Jan-10
For technical questions, contact: indmodules@vishay.com
www.vishay.com
1