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
ARF340
Repetitive voltage up to
Mean forward current
Surge current
2600
V
775
A
6.4
kA
FINAL SPECIFICATION
lug 98 - ISSUE : 01
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
150
150
150
2600
2700
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
150
775
780
6,4
205 x1E3
A
A
kA
A²s
V
V
mohm
F (AV)
FSM
I² t
V
V
r
FM
F(TO)
F
Forward current =
1200 A
25
150
150
2,3
1,15
0,685
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
IF=
di/dt=
VR =
350 A
80 A/µs
100 V
150
4
260
140
0,4
µs
µC
A
di/dt=
400 A/µs
150
20
V
MOUNTING
R
th(j-h)
T
F
j
Thermal impedance
Operating junction temperature
Mounting force
Mass
Junction to heatsink, double side cooled
50
-30 / 150
8.0 / 9.0
85
°C/kW
°C
kN
g
ORDERING INFORMATION : ARF340 S 26
standard specification
VRRM/100
ARF340 FAST RECOVERY DIODE
FINAL SPECIFICATION
lug 98 - ISSUE : 01
ANSALDO
FORWARD CHARACTERISTIC
Tj = 150 °C
SURGE CHARACTERISTIC
Tj = 150 °C
2500
7
6
2000
Forward Current [A]
5
ITSM [kA]
1
1,5
2
Forward Voltage [V]
2,5
3
1500
4
3
2
500
1
0
0
1
10
n° cycles
100
1000
TRANSIENT THERMAL IMPEDANCE
DOUBLE SIDE COOLED
60,0
50,0
Zth j-h [°C/kW]
40,0
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
ARF340 FAST RECOVERY DIODE
FINAL SPECIFICATION
lug 98 - ISSUE : 01
ANSALDO
SWITCHING CHARACTERISTICS
FORWARD RECOVERY VOLTAGE
40
35
30
25
VFR [V]
20
15
Tj = 25 °C
Tj = 150 °C
I
F
V
FR
10
V
F
5
0
0
200
400
600
di/dt [A/µs]
800
1000
1200
REVERSE RECOVERY CHARGE
Tj = 150 °C
1000
900
800
700
Qrr [µC]
600
500
400
300
200
100
0
0
100
200
di/dt [A/µs]
300
400
250 A
500 A
1000 A
REVERSE RECOVERY CURRENT
Tj = 150 °C
600
550
500
450
400
Irr [A]
350
300
250
200
150
100
50
0
0
100
200
di/dt [A/µs]
300
400
250 A
1000
A
500 A
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
2)
(Qrr - Irr
ta /
Irr
Vr
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