ANSALDO
Ansaldo Trasporti s.p.a.
Unita' Semiconduttori
Via N. Lorenzi 8 - I 16152 GENOVA - ITALY
Tel. int. +39/(0)10 6556549 - (0)10 6556488
Fax Int. +39/(0)10 6442510
Tx 270318 ANSUSE I -
FAST RECOVERY DIODE
ARF322
Repetitive voltage up to
Mean forward current
Surge current
1600
V
740
A
11
kA
FINAL SPECIFICATION
ott 97 - ISSUE : 04
Symbol
Characteristic
Conditions
Tj
[°C]
Value
Unit
BLOCKING
V
RRM
V
RSM
I
RRM
Repetitive peak reverse voltage
Non-repetitive peak reverse voltage
Repetitive peak reverse current
V=VRRM
125
125
125
1600
1700
50
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° square,50 Hz,Th=55°C,double side cooled
Sine wave, 10 ms
reapplied reverse voltage up to 50% VRSM
125
740
740
11
605 x1E3
A
A
kA
A²s
V
V
mohm
F (AV)
FSM
I² t
V
FM
V
F(TO)
r
F
Forward current =
1200 A
25
125
125
1.65
0.90
0.500
SWITCHING
t rr
Q rr
I rr
s
V
FR
Reverse recovery time
Reverse recovery charge
Peak reverse recovery current
Softness (s-factor), min
Peak forward recovery
di/dt=
100 A/µs
I F = 1000 A
di/dt=
VR =
60 A/µs
50 V
70
0.5
4
V
A
125
2.0
60
µs
µC
MOUNTING
R
th(j-h)
T
F
j
Thermal impedance
Operating junction temperature
Mounting force
Mass
Junction to heatsink, double side cooled
52
-30 / 125
8.4 / 9.4
280
°C/kW
°C
kN
g
ORDERING INFORMATION : ARF322 S 16
standard specification
VRRM/100
ARF322 FAST RECOVERY DIODE
FINAL SPECIFICATION
ott 97 - ISSUE : 04
ANSALDO
SWITCHING CHARACTERISTICS
FORWARD RECOVERY VOLTAGE
10.00
9.00
8.00
7.00
6.00
VFR [V]
5.00
4.00
V
FR
3.00
2.00
1.00
0.00
0
50
100
150
200
250
300
350
di/dt [A/µs]
V
F
I
F
Tj = 125 °C
REVERSE RECOVERY CHARGE
Tj = 125 °C
180
160
140
120
Qrr [µC]
100
80
60
40
20
0
0
100
200
di/dt [A/µs]
300
400
0
0
50
500 A
1000 A
REVERSE RECOVERY CURRENT
Tj = 125 °C
250
1000 A
500 A
250 A
200
250 A
150
Irr [A]
100
100
200
di/dt [A/µs]
300
400
ta = Irr / (di/dt)
tb = trr - ta
I
F
d i/d t
ta
tb
Softness (s factor) s = tb / ta
Energy dissipation during recovery Er = Vr · (Qrr - Irr ·ta / 2 )
Irr
Vr
ARF322 FAST RECOVERY DIODE
FINAL SPECIFICATION
ott 97 - ISSUE : 04
ANSALDO
FORWARD CHARACTERISTIC
Tj = 125 °C
SURGE CHARACTERISTIC
Tj = 125 °C
2500
12
2000
Forward Current [A]
10
8
ITSM [kA]
0.6
1.1
1.6
2.1
2.6
1500
6
1000
4
500
2
0
Forward Voltage [V]
0
1
10
n° cycles
100
TRANSIENT THERMAL IMPEDANCE
DOUBLE SIDE COOLED
60.0
50.0
40.0
Zth j-h [°C/kW]
30.0
20.0
10.0
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
clamping force, cleaned and lubricated heatsink, surfaces with flatness <
and roughness < 2 µm.
In the interest of product improvement ANSALDO reserves the right to
any data given in this data sheet at any time without previous notice.
If not stated otherwise the maximum value of ratings (simbols over
background) and characteristics is reported.
uniform
.03 mm
change
shaded
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