RECTIFIER DIODE
AR749LT
Repetitive voltage up to
2500
V
Mean forward current
5180
A
Surge current
70
kA
FINAL SPECIFICATION
nov 02 - ISSUE : 02
Symbol
Characteristic
Conditions
Tj
[C]
Value
Unit
BLOCKING
V
RRM
Repetitive peak reverse voltage
175
2500
V
V
RSM
Non-repetitive peak reverse voltage
175
2600
V
I
RRM
Repetitive peak reverse current
V=VRRM
175
150
mA
CONDUCTING
I
F (AV)
Mean forward current
180 sin ,50 Hz, Th=55C, double side cooled
5180
A
I
F (AV)
Mean forward current
180 sin ,50 Hz, Tc=85C, double side cooled
5030
A
I
FSM
Surge forward current
Sine wave, 10 ms
175
70
kA
I t
I t
without reverse voltage
24500 x 1E3
As
V
FM
Forward voltage
Forward current =
3000 A
25
1.30
V
V
F(TO)
Threshold voltage
175
0.65
V
r
F
Forward slope resistance
175
0.140
mohm
SWITCHING
t rr
Reverse recovery time
s
Q rr
Reverse recovery charge
175
C
I rr
Peak reverse recovery current
A
MOUNTING
R
th(j-h)
Thermal impedance, DC
Junction to heatsink, double side cooled
9.5
C/kW
R
th(c-h)
Thermal impedance
Case to heatsink, double side cooled
2
C/kW
T
j
Operating junction temperature
-30 / 175
C
F
Mounting force
46.0
/ 54.0
kN
Mass
1150
g
ORDERING INFORMATION : AR749LT S 25
standard specification
VRRM/100
POSEICO SPA
Via N. Lorenzi 8, 16152 Genova - ITALY
Tel. ++ 39 010 6556234 - Fax ++ 39 010 6557519
Sales Office:
Tel. ++ 39 010 6556775 - Fax ++ 39 010 6442510
POSEICO SPA
POwer SEmiconductors Italian COrporation
POSEICO
AR749LT RECTIFIER DIODE
FINAL SPECIFICATION nov 02 - ISSUE : 02
DISSIPATION CHARACTERISTICS
SQUARE WAVE
DC
0
2000
4000
6000
8000
10000
12000
14000
0
1000
2000
3000
4000
5000
6000
7000
8000
I
F(AV)
[A]
P
F(AV)
[W]
120
90
60
30
180
DC
50
70
90
110
130
150
170
190
0
1000
2000
3000
4000
5000
6000
7000
8000
I
F(AV)
[A]
Th [C]
30
180
120
90
60
POSEICO SPA
POwer SEmiconductors Italian COrporation
POSEICO
AR749LT RECTIFIER DIODE
FINAL SPECIFICATION nov 02 - ISSUE : 02
DISSIPATION CHARACTERISTICS
SINE WAVE
0
2000
4000
6000
8000
10000
12000
14000
0
2000
4000
6000
8000
I
F(AV)
[A]
P
F(AV)
[W]
60
180
120
90
30
50
70
90
110
130
150
170
190
0
1000
2000
3000
4000
5000
6000
I
F(AV)
[A]
Th [C]
90
180
120
60
30
POSEICO SPA
POwer SEmiconductors Italian COrporation
POSEICO
AR749LT RECTIFIER DIODE
FINAL SPECIFICATION nov 02 - ISSUE : 02
Distributed by
FORWARD CHARACTERISTIC
Tj = 175 C
0
2000
4000
6000
8000
10000
12000
14000
16000
18000
0.6
1.1
1.6
2.1
2.6
3.1
Forward Voltage [V]
Forward Current [A]
TRANSIENT THERMAL IMPEDANCE
DOUBLE SIDE COOLED
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
0.001
0.01
0.1
1
10
100
t[s]
Zth j-h [C/kW]
SURGE CHARACTERISTIC
Tj = 175 C
0
10
20
30
40
50
60
70
80
1
10
100
n cycles
ITSM [kA]
All the characteristics given in this data sheet are guaranteed only with uniform
clamping force, cleaned and lubricated heatsink, surfaces with flatness < .03 mm
and roughness < 2 m.
In the interest of product improvement POSEICO reserves the right to change any
data given in this data sheet at any time without previous notice.
If not stated otherwise the maximum value of ratings (simbols over shaded
background) and characteristics is reported.
POSEICO SPA
POwer SEmiconductors Italian COrporation
POSEICO
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