AC-DC Power Supplies
CMH250 Series
General
Characteristic
Minimum
Typical
Maximum
Units
%
Notes & Conditions
Efficiency
89
230 VAC full load
2 x MOPP
4000
1500
500
VAC
VAC
VDC
kHz
kHz
kHz
Isolation: Input to Output
Input to Ground
1 X MOPP
Output to Ground
62-560
59
PFC
Switching Frequency
Main converter
Standby
50-130
3
Power Density
5.7
W/in
Mean Time Between Failure
203
kHrs
MIL-HDBK-217F, Notice 2 +25 °C GB
CMH250PSxx
2.02 (919)
2.36 (1072)
Weight
lb (g)
CMH250PSxx-C
Efficiency Vs Load
Figure 2
12 V Models
100.00%
90.00%
80.00%
70.00%
60.00%
50.00%
40.00%
30.00%
20.00%
10.00%
0.00%
115V
230V
20% 30% 40% 50% 60% 70% 80% 90% 100%
Figure 3
24 V Models
100.00%
90.00%
80.00%
70.00%
60.00%
50.00%
40.00%
30.00%
20.00%
10.00%
0.00%
115V
230V
20% 30% 40% 50% 60% 70% 80% 90% 100%
Figure 4
48 V Models
100.00%
90.00%
80.00%
70.00%
60.00%
50.00%
40.00%
30.00%
20.00%
10.00%
0.00%
115V
230V
20% 30% 40% 50% 60% 70% 80% 90% 100%
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