SEMICONDUCTOR
12FD(R)Series
RoHS
RoHS
N
ell
High Power Products
Fig.1 Average forward current vs. maximum
allowable case temperature.
Maximum allowable case temperature (˚C)
160
150
140
130
120
110
100
90
80
70
60
0
2
4
6
8
10
12
14
16
18
20
180°
120°
60°
180°
t
rr
Fig.2 Reverse recovery time test waveform
l
F
12FD(R)Series
l
FM
d
lF
d
t
DC
t
1/4 l
RM(REC)
l
RM(REC)
Q
RR
l
F
l
F
,l
FM
= Peak forward current prior to commutation
d lF /d t = Rate of fall of forward current
l RM(REC) = Peak reverse recovery current
t rr = Reverse recovery time
Q RR = Reverse recovered charge
Average forward current (A)
Fig. 3 Current rating nomogram (sinusoidal waveforms)
Maximum average forward power loss (W)
20
18
16
14
12
10
RMS Limit
th
S
120°
60°
30°
A=
4.
8 -
▲
10
-
▲
R
12 -
▲
R
1 5 -
▲
R
2 0 -
▲
R
▲
R
W
R
180°
0.46
8
6
4
2
0
0 1
2
3
4
5
6
7
Conduction Angle
120°
0.48
3 0 -
▲
R
60°
1.02
no he at sin k
30°
1.76
8 9 10 11 12 10 20 30 40 50 60 70 80 90 100
Maximum allowable ambient temperature (°C)
Average forward current (A)
Fig.4 Current rating nomogram (Rectangular Waveforms) .
Maximum average forward power loss (W)
Conduction angle
ø
DC
180°
120°
60°
30°
70
60
50
40
30
20
0
0
2
4
6
Average forward current (A)
12FD(R)Series
T
J
= 150°C
R
th
SA
=
120°
60°
30°
R
K/
4-
▲
W
R
5-
▲
R
6 -
▲
R
8 -
▲
R
0.26
RMS limit
1 0 -
▲
R
1 5 -
▲
R
ø
Conduction Angle
0.46
20 -
▲
R
no he at sin k
1.02
1.76
8 10 12
14 16 18 20
10 20 30 40 50 60 70 80 90 100
Maximum allowable ambient temperature (°C)
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Page 4 of 6
▲
R
0
ø =180°
2.
DC
3 -
▲
0-
▲
R
K/W
▲
R
6-
5-
▲
R
0-
▲
R
3.
K/
0-
▲
R
K/W
R
Conduction angle
ø
12FD(R)Series
T
J
= 150°C
ø = 180°
1.
0-
▲
R
2.
0-
▲
▲
R
0.
5-
▲
R
1.
▲
R
0-
NELLSEMI [ NELL SEMICONDUCTOR CO., LTD ]
