ARF221 View Datasheet(PDF) - Power Semiconductors
Part Name
Description
Manufacturer
ARF221 Datasheet PDF : 4 Pages
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ARF221 FAST RECOVERY DIODE
FINAL SPECIFICATION ott 97 - ISSUE : 02
SWITCHING CHARACTERISTICS
FORWARD RECOVERY VOLTAGE
40
35
Tj = 125 °C
30
25
20
Tj = 25 °C
15
VFR
10
5
0
0
200 400 600 800 1000 1200
di/dt [A/µs]
ANSALDO
IF
VF
REVERSE RECOVERY CHARGE
Tj = 125 °C
160
140
120
100
80
60
40
20
0
0
500 A
250 A
100
200
300
400
di/dt [A/µs]
REVERSE RECOVERY CURRENT
Tj = 125 °C
250
500 A
250 A
200
150
100
50
0
0
100
200
300
400
di/dt [A/µs]
ta = Irr / (di/dt) tb = trr - ta
IF
Softness (s factor) s = tb / ta
Energy dissipation during recovery Er = Vr · (Qrr - Irr ·ta / 2 )
d i/d t
ta tb
Irr
Vr
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