Page 1
1400
ott 97 - ISSUE : 02
Tj
[°C]
Forward current
Q
4.5 /
ANSALDO
Ansaldo Trasporti
s.p.a.
FAST RECOVERY DIODE ARF220
Via N. Lorenzi 8 - I 16152 GENOVA ITALY
Tel. int. +39/(0)10 6556549 - (0)10
6556488
Repetitive voltage up to
V
Mean forward current 445 A
Surge current 5 kA
FINAL SPECIFICATION
Symbol Characteristic Conditions
BLOCKING
V RRM Repetitive peak reverse voltage 125 1400 V
V RSM Non-repetitive peak reverse voltage 125 1500 V
I RRM Repetitive peak reverse current V=VRRM 125 50 mA
CONDUCTING
I F (AV) Mean forward current 180° sin ,50 Hz, Th=55°C, double side cooled 445 A
I F (AV) Mean forward current 180° square,50 Hz,Th=55°C,double side cooled 440 A
I FSM Surge forward current Sine wave, 10 ms 125 4.5 kA
I² t I² t
V FM Forward voltage
reapplied reverse voltage up to 50% VRSM
300 A 125 1.18 V
Value Unit
101 x1E3 A²s
V F(TO) Threshold voltage 125 1.00 V
r F Forward slope resistance 125 0.60 mohm
SWITCHING
t rr Reverse recovery time I F = 200 A 2.5 µs
rr Reverse recovery charge
I rr Peak reverse recovery current
s Softness (s-factor), min 0.4
V FR Peak forward recovery di/dt = 400 A/µs V
di/dt = 40 A/µs
VR = 50 V
125 80 µC
70 A
MOUNTING
R th(j-h) Thermal impedance Junction to heatsink, double side cooled 95 °C/kW
T j Operating junction temperature -30 / 125 °C
F Mounting force
Mass 55 g
ORDERING INFORMATION : ARF220 S 14
standard specification
VRRM/100
5.0 kN
Page 2
ARF220 FAST RECOVERY DIODE
Power Dissipation [W]
ANSALDO
Power Dissipation [W]
FINAL SPECIFICATION ott 97 - ISSUE : 02
DISSIPATION CHARACTERISTICS
800
SQUARE WAVE
700
DC
600
500
120°
90°
60°
30°
180°
400
300
200
100
0
0 100 200 300 400 500 600
Mean Forward Current [A]
SINE WAVE
DC
800
700
600
60°
90°
120°
180°
DC
500
30°
400
300
200
100
0
0 100 200 300 400 500 600
Mean Forward Current [A]
Page 3
ARF220 FAST RECOVERY DIODE
ANSALDO
Qrr [µC]
Irr [A]
500 A
VFR [V]
I
FINAL SPECIFICATION ott 97 - ISSUE : 02
SWITCHING CHARACTERISTICS
FORWARD RECOVERY VOLTAGE
40
35
30
25
20
Tj = 125 °C
15
10
5
0
0 200 400 600 800 1000 1200
REVERSE RECOVERY CHARGE
Tj = 125 °C
300
250
200
150
100
Tj = 25 °C
di/dt [A/µs]
500 A
250 A
350
300
250
200
150
100
F
VFR
VF
REVERSE RECOVERY CURRENT
Tj = 125 °C
250 A
ta = Irr / (di/dt) tb = trr - ta
Softness (s factor) s = tb / ta
Energy dissipation during recovery Er = Vr · (Qrr - Irr ·ta / 2 )
50
0
0 100 200 300 400
di/dt [A/µs]
50
0
0 100 200 300 400
di/dt [A/µs]
IF
d i/d t
ta
tb
Irr
Vr
Page 4
ARF220 FAST RECOVERY DIODE
FORWARD CHARACTERISTIC
Forward Current [A]
Zth j-h [°C/kW]
SURGE CHARACTERISTIC
ITSM [kA]
ANSALDO
If not stated otherwise the maximum value of ratings (simbols over
FINAL SPECIFICATION ott 97 - ISSUE : 02
Tj = 125 °C
1400
1200
1000
800
600
400
200
0
0.6 1.1 1.6 2.1
Forward Voltage [V]
TRANSIENT THERMAL IMPEDANCE
DOUBLE SIDE COOLED
Tj = 125 °C
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
1 10 100
n° cycles
100.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
0.001 0.1 10 1000
t[s]
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 ANSALDO reserves the right to
change any data given in this data sheet at any time without previous
notice.
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