Table 3.4 Maximum temperature of measurement points (LHA50F-3R3-Y, LHA50F-
O
)
Cooling
Method Voltage
Mounting
Method
Load factor
Maximum temperature [
C
]
1
:Capacitor
2
:Capacitor
Convection
3.3, 5,
24, 36,
48V
A
50%
<
Io
[
100%
81
87
Io
[
50%
85
86
B
50%
<
Io
[
100%
78
84
Io
[
50%
84
86
C
50%
<
Io
[
100%
79
84
Io
[
50%
84
84
D
50%
<
Io
[
100%
85
81
Io
[
50%
88
85
E
50%
<
Io
[
100%
80
83
Io
[
50%
87
87
F
50%
<
Io
[
100%
81
86
Io
[
50%
86
87
12, 15V
A
50%
<
Io
[
100%
82
83
Io
[
50%
84
84
B
50%
<
Io
[
100%
80
81
*
Io
[
50%
85
85
C
50%
<
Io
[
100%
81
75
Io
[
50%
85
82
D
50%
<
Io
[
100%
84
74
Io
[
50%
88
82
E
50%
<
Io
[
100%
82
80
Io
[
50%
88
87
F
50%
<
Io
[
100%
81
80
Io
[
50%
86
85
Forced air 3.3 - 48V A,B,C,
D,E,F
70%
<
Io
[
100%
75
75
Io
[
70%
75
75
*The maximum temperature of the LHA50F-15-S is 76
C
.
Table 3.5 Maximum temperature of measurement points (LHA75F-3R3-Y, LHA75F-
O
)
Cooling
Method Voltage
Mounting
Method
Load factor
Maximum temperature [
C
]
1
:Capacitor
2
:Capacitor
Convection
3.3, 5V
A
20%
<
Io
[
100%
76
78
Io
[
20%
85
77
B
20%
<
Io
[
100%
76
72
Io
[
20%
88
76
C
20%
<
Io
[
100%
74
81
Io
[
20%
84
80
D
Io
[
100%
75
71
E
10%
<
Io
[
100%
76
84
Io
[
10%
87
77
F
10%
<
Io
[
100%
75
78
Io
[
10%
85
81
12 - 48V
A
20%
<
Io
[
100%
83
73
Io
[
20%
88
76
B
20%
<
Io
[
100%
83
70
Io
[
20%
88
76
C
20%
<
Io
[
100%
81
72
Io
[
20%
86
77
D
75%
<
Io
[
100%
73
68
Io
[
75%
79
71
E
Io
[
100%
85
74
F
75%
<
Io
[
100%
80
66
Io
[
75%
80
73
Forced air 3.3 - 48V A,B,C,
D,E,F
70%
<
Io
[
100%
75
75
Io
[
70%
75
75
Table 3.6 Maximum temperature of measurement points (LHA100F-
O
)
Cooling
Method Voltage
Mounting
Method
Load factor
Maximum temperature [
C
]
1
:Capacitor
2
:Capacitor
Convection
5V
A
20%
<
Io
[
100%
76
84
Io
[
20%
87
80
B
20%
<
Io
[
100%
72
77
Io
[
20%
82
76
C
20%
<
Io
[
100%
73
85
Io
[
20%
84
80
D
Io
[
100%
75
73
E
75%
<
Io
[
100%
66
88
Io
[
75%
81
80
F
20%
<
Io
[
100%
75
85
Io
[
20%
85
81
12 - 48V
A
25%
<
Io
[
100%
82
78
Io
[
25%
85
78
B
25%
<
Io
[
100%
79
73
Io
[
25%
88
76
C
25%
<
Io
[
100%
79
76
Io
[
25%
86
77
D
10%
<
Io
[
100%
80
70
Io
[
10%
86
74
E
20%
<
Io
[
100%
81
80
Io
[
20%
88
83
F
20%
<
Io
[
100%
80
72
Io
[
20%
86
76
Forced air 5 - 48V A,B,C,
D,E,F
70%
<
Io
[
100%
75
75
Io
[
70%
75
75
AC-DC Power Supplies Open Frame
Instruction Manual
LHA-28
May 26, 2022