The following figures should be taken into account to avoid overheating:
(T primary track = 115 °C)
Cu 35 μm
Cu 70 μm
Maxi rms current I PN [A]
0
10.0
20.0
30.0
40.0
50.0
T A [°C]
115
106.8
81.9
39.6
NA
NA
? T [°C]
0
8.2
33.1
75.4
NA
NA
T A [°C]
115.0
111.3
100.1
81.3
54.6
20.7
? T [°C]
0
3.7
14.9
33.7
60.4
94.3
Typical primary current for a maximum track
temperature of 115°C (natural convection)
50
70 microns Cu
40
30
20
10
0
35 microns Cu
25
50
75
100
125
Ambient temperature (°C)
070206/0 KIT N°9
Page 3/5
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