POSEICO
POSEICO SPA
POwer SEmiconductors Italian COrporation
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
RECTIFIER DIODE
AR749
Repetitive voltage up to
Mean forward current
Surge current
2500
V
4760
A
70
kA
FINAL SPECIFICATION
nov 02 - ISSUE : 03
Symbol
Characteristic
Conditions
Tj
[°C]
Value
Unit
BLOCKING
V
V
I
RRM
RSM
RRM
Repetitive peak reverse voltage
Non-repetitive peak reverse voltage
Repetitive peak reverse current
V=VRRM
175
175
175
2500
2600
150
V
V
mA
CONDUCTING
I
I
I
F (AV)
Mean forward current
Mean forward current
Surge forward current
I² t
Forward voltage
Threshold voltage
Forward slope resistance
180° sin ,50 Hz, Th=55°C, double side cooled
180° sin ,50 Hz, Tc=85°C, double side cooled
Sine wave, 10 ms
without reverse voltage
Forward current =
3000 A
175
4760
4520
70
24500 x 1E3
25
175
175
1.30
0.65
0.140
A
A
kA
A²s
V
V
mohm
F (AV)
FSM
I² t
V
V
r
FM
F(TO)
F
SWITCHING
t rr
Q rr
I rr
Reverse recovery time
Reverse recovery charge
Peak reverse recovery current
175
µs
µC
A
MOUNTING
R
th(j-h)
R
th(c-h)
T
F
j
Thermal impedance, DC
Thermal impedance
Operating junction temperature
Mounting force
Mass
ORDERING INFORMATION : AR749 S 25
standard specification
Junction to heatsink, double side cooled
Case to heatsink, double side cooled
11
2
-30 /
46.0
1700
175
/ 54.0
°C/kW
°C/kW
°C
kN
g
VRRM/100
AR749 RECTIFIER DIODE
FINAL SPECIFICATION
nov 02 - ISSUE : 03
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FORWARD CHARACTERISTIC
Tj = 175 °C
16000
14000
12000
Forward Current [A]
10000
8000
6000
4000
2000
0
0.6
1.1
1.6
2.1
2.6
3.1
Forward Voltage [V]
ITSM [kA]
80
70
60
50
40
30
20
10
0
1
SURGE CHARACTERISTIC
Tj = 175 °C
10
n° cycles
100
TRANSIENT THERMAL IMPEDANCE
DOUBLE SIDE COOLED
12.0
10.0
Zth j-h [°C/kW]
8.0
6.0
4.0
2.0
0.0
0.001
0.01
0.1
t[s]
1
10
100
Distributed by
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 µm.
In the interest of product improvement POSEICO SpA 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.
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