Datasheet

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4 - 4
MCC 312
MCD 312
R
thJC
for various conduction angles d:
d R
thJC
(K/W)
DC 0.120
180° 0.128
120° 0.135
60° 0.153
30° 0.185
Constants for Z
thJC
calculation:
iR
thi
(K/W) t
i
(s)
1 0.0058 0.00054
2 0.031 0.098
3 0.072 0.54
4 0.0112 12
Fig. 9 Transient thermal impedance
junction to heatsink (per thyristor
or diode)
R
thJK
for various conduction angles d:
d R
thJK
(K/W)
DC 0.160
180° 0.168
120° 0.175
60° 0.193
30° 0.225
Constants for Z
thJK
calculation:
iR
thi
(K/W) t
i
(s)
1 0.0058 0.00054
2 0.031 0.098
3 0.072 0.54
4 0.0112 12
5 0.04 12
t
Z
thJK
s
t
10
-3
10
-2
10
-1
10
0
10
1
10
2
0.00
0.05
0.10
0.15
0.20
0.25
K/W
Z
thJC
I
RMS
P
tot
0 25 50 75 100 125 1500 200 400 600
0
500
1000
1500
2000
2500
3000
0A
3xMCC312 or
3xMCD312
Circuit
W3
0.2
0.15
0.1
0.07
0.04
0.02
R
thKA
K/W
0.3
10
-3
10
-2
10
-1
10
0
10
1
10
2
0.00
0.05
0.10
0.15
0.20
DC
180°
120°
60°
30°
DC
180°
120°
60°
30°
°C
T
A
W
K/W
s
Fig. 8 Transient thermal impedance
junction to case (per thyristor or
diode)
Fig. 7 Three phase AC-controller:
Power dissipation versus RMS
output current and ambient
temperature