by SEMIKRON
B 9 7
Fast Recovery Rectifier
Diodes
1)
SKR 47 F
Features
Very short recovery times
Soft recovery under all
conditions
Up to 1700 V reverse voltage
Epoxy meets UL 94V-0
flammability classification
Typical Applications
Inverse diode for power
transistors
Inverter, UPS
Snubber and clamping diode
V
RSM
I
FRMS
(maximum values for continuous operation)
V
RRM
74 A
I
FAV
(sin. 180; T
case
= 85 C; 50 Hz)
V
47 A
1500
1700
SKR 47F15
SKR 47F17
Symbol
Conditions
SKR47F
Units
I
FAV
sin. 180; T
case
= 85 C
47
A
I
FSM
T
vj
= 25 C; 10 ms
500
A
T
vj
= 150 C; 10 ms
450
A
i
2
t
T
vj
= 25 C; 8,3 ... 10 ms
1250
A
2
s
T
vj
= 150 C; 8,3 ... 10 ms
1000
A
2
s
I
RRM
T
vj
= 25 C
I
F
= 50 A
30
A
T
vj
= 125 C
di/dt = 800 A/
s
43
A
Q
rr
T
vj
= 25 C
typ.
7
C
T
vj
= 125 C
V
R
= 600 V
typ.
15
C
t
rr
T
vj
= 25 C
typ.
120
ns
I
R
T
vj
= 25 C; V
R
= V
RRM
0,2
mA
T
vj
= 125 C; V
R
= V
RRM
10
mA
V
F
T
vj
= 25 C; I
F
= 50 A
max
2,7
V
V
(TO)
T
vj
= 150 C
1,5
V
r
T
T
vj
= 150 C
21
m
R
thjc
0,35
C/W
R
thch
0,25
C/W
T
vj
40 ... 150
C
T
stg
40 ... 150
C
M
1
to heatsink
SI units
US units
0,7 ... 1
6,2 ... 8,8
Nm
lb. in.
w
approx
5
g
Case
page B 9 6
E 40
1)
CAL (controlled axial lifetime) technology, patent No. DE 43 10 44
0898
by SEMIKRON
B 9 8
S KR 47F .X LS - 6
0
40
80
120
160
0
1000
2000
3000
di
F
/dt
A/s
I
RM
A
V
R
= 1200V
T
vj
= 125 C
I
F
= 75 A
SKR 47F
S KR 47F .X LS - 8
0
50
100
0
1
2
3
V
F
V
I
F
A
25C
125C
SKR 47F
S KR 47F .X LS - 5
0
5
10
15
20
25
0
1000
2000
3000
di
F
/dt
A/s
Q
rr
C
I
FM
=
75 A
38 A
50 A
25 A
13 A
V
R
= 1200 V
T
vj
= 125 C
SKR 47F
Fig. 5 Typ. recovered charge
Fig. 6 Typ. peak reverse recovery current
Fig. 8 Typ. forward characteristic
Fig. 15 Typ. reverse recovery characteristic
0898