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0.94
0.82
0.70
0.58
0.47
0.35
0.23
85
1.10
0.96
0.82
0.69
0.55
0.41
0.27
73
1.30
1.14
0.98
0.81
0.65
0.49
0.33
61
1.57
1.38
1.18
0.98
0.79
0.59
0.39
51
1.95
1.70
1.46
1.22
0.97
0.73
0.49
41
2.48
2.17
1.86
1.55
1.24
0.93
0.62
32
3.32
2.90
2.49
2.07
1.66
1.24
0.83
24
4.75
4.15
3.56
2.97
2.37
1.78
1.19
17
7.68
6.72
5.76
4.80
3.84
2.88
1.92
10
-
14.59 12.50 10.42
8.34
6.25
4.17
5
20
30
40
50
60
70
80
0.60
0.52
0.43
0.34
0.26
0.17
0.09
117
0.74
0.64
0.54
0.44
0.34
0.24
0.14
101
0.91
0.79
0.68
0.56
0.45
0.33
0.22
87
1.09
0.96
0.82
0.68
0.55
0.41
0.27
73
1.33
1.16
1.00
0.83
0.66
0.50
0.33
60
1.66
1.45
1.24
1.04
0.83
0.62
0.41
48
2.16
1.89
1.62
1.35
1.08
0.81
0.54
37
3.01
2.64
2.26
1.88
1.51
1.13
0.75
27
4.73
4.14
3.55
2.96
2.37
1.78
1.18
17
9.94
8.70
7.45
6.21
4.97
3.73
2.48
8
20
30
40
50
60
70
80
0.63
0.55
0.47
0.40
0.32
0.24
0.16
126
0.73
0.64
0.54
0.45
0.36
0.27
0.18
110
0.84
0.74
0.63
0.53
0.42
0.32
0.21
95
0.99
0.87
0.74
0.62
0.50
0.37
0.25
81
1.20
1.05
0.90
0.75
0.60
0.45
0.30
67
1.48
1.30
1.11
0.93
0.74
0.56
0.37
54
1.92
1.68
1.44
1.20
0.96
0.72
0.48
42
2.65
2.32
1.98
1.65
1.32
0.99
0.66
30
4.12
3.60
3.09
2.57
2.06
1.54
1.03
19
8.55
7.48
6.41
5.34
4.27
3.21
2.14
9
20
30
40
50
60
70
80
4
Specifications are subject to change without notice (28.02.2007)
Heatsink Dimensions (cont.)
Carlo Gavazzi Heatsink
Thermal
for power
(see Accessories)
resistance...
dissipation
No heatsink required
---
N/A
RHS 300
5.00 K/W
> 0 W
RHS 100
3.00 K/W
> 25 W
RHS 45C
2.70 K/W
> 55 W
RHS 45B
2.00 K/W
> 60 W
RHS 90A
1.35 K/W
> 60 W
RHS 45C plus fan
1.25 K/W
> 0 W
RHS 45B plus fan
1.20 K/W
> 0 W
RHS 112A
1.10 K/W
> 100 W
RHS 301
0.80 K/W
> 80 W
RHS 90A plus fan
0.45 K/W
> 0 W
RHS 112A plus fan
0.40 K/W
> 0 W
RHS 301 plus fa
0.25 K/W
> 0 W
Consult your distribution
> 0.25 K/W
N/A
Infinite heatsink - No solution
---
N/A
Heatsink Selection
RAM1A, RAM1B
RAM..75
TA
Ambient temp. [
°C]
75.0
67.5
60.0
52.5
45.0
37.5
30.0
22.5
15.0
7.5
Power
dissipation [W]
Thermal resistance
[K/W]
Load
current [A]
RAM..100
TA
Ambient temp. [
°C]
100.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
Power
dissipation [W]
Thermal resistance
[K/W]
Load
current [A]
RAM..125
TA
Ambient temp. [
°C]
125.0
112.5
100.0
87.5
75.0
62.5
50.0
37.5
25.0
12.5
Power
dissipation [W]
Thermal resistance
[K/W]
Load
current [A]
Rated isolation voltage
Input to output
≥ 4000VACrms
Output to case
≥ 4000VACrms
Isolation
Operating temperature
-40° to +80°C (-40˚ to +176˚F)
Storage temperature
-40° to +100°C (-40˚ to +212˚F)
Junction temperature
≤ 125˚C (257˚F)
Thermal Specifications
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