DCR3990A45 Dynex Semiconductor, DCR3990A45 Datasheet - Page 6

• Manufacturer Part Number: DCR3990A45
• Description: Phase Control Thyristor
• Manufacturer: Dynex Semiconductor

6/10
125
100
16
14
12
10
Fig.7 Maximum permissible case temperature,
75
50
25
SEMICONDUCTOR
8
6
4
2
0
0
0.001
0
double side cooled – rectangular wave
500 1000 1500 2000 2500 3000 3500 4000
0.01
Mean on-state current, I
Fig.9 Maximum (limit) transient thermal impedance – junction to case (° C/kW)
d.c.
180
120
90
60
30
Double side cooled
Anode side cooled
Cathode side cooled
0.1
Time (s)
1
T(AV)
- (A)
10
100
Á
Tables show the increments of thermal resistance R
operates at conduction angles other than d.c.
180
120
Cathode side cooled
90
60
30
15
Â
R
Z
Double side cooled
Anode side cooled
°
th(j-c)
Double side cooling
Fig.8 Maximum permissible heatsink temperature,
th
125
100
sine.
Conduction
0.44
0.49
0.55
0.60
0.64
0.66
75
50
25
0
Á
Z
double side cooled – rectangular wave
th
0
i
i
(z)
4
1
rect.
0.31
0.43
0.49
0.55
0.61
0.64
500 1000 1500 2000 2500 3000 3500 4000
[
R
R
R
R
Mean on-state current, I
i
i
i
i
(° C/kW)
(° C/kW)
(° C/kW)
180
120
90
60
30
15
Â
T
T
T
°
Anode Side Cooling
i
i
i
d.c.
180
120
90
60
30
(s)
(s)
(s)
1 (
sine.
0.42
0.47
0.52
0.57
0.61
0.62
Á
Z
0.703874 1.904794
3.156003 4.092806 1.556555 1.623962
7.077369 3.483481 1.745839 2.634274
6.648601 8.436484 1.762119
3.01541
2.69023
th
exp(
(z)
1
rect.
0.30
0.41
0.46
0.52
0.58
0.61
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1.048955 0.983519 0.983519
13.79162
T
180
120
T(AV
Cathode Sided Cooling
90
60
30
15
Â
2
th(j-c)
°
/
T
) - (A)
sine.
when the device
0.42
0.47
0.52
0.57
0.60
0.62
i
)]
DCR3990A52
Á
0.059
0.059
Z
th
3
(z)
rect.
0.30
0.41
0.46
0.52
0.58
0.60
0.205916
0.08069
0.059
4