United States
Maintenance and Service Guide Compaq Presario 4900, 5000, & 5100 Series Computers
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| SPECIFICATIONS
Power Supply
| U. S. | Outside U. S.
Input Specifications |  |
Nominal Line Voltage | 100 to 120 VAC | 220 to 240 VAC
Range Input Line | 90 to 132 VAC | 180 to 264 VAC
Frequency Range | 47 to 63 Hz | 47 to 63 Hz
Power Factor | 0.6 | 0.6
Input Power | 280 Watts | 280 Watts
Input Current | 5.2 at 90 VAC | 3.6 at 180 VAC
Inrush Current | 80 A at 132 VAC (cold start) | 80 A at 264 VAC (cold start)
Holdup Time | 16 ms from zero crossing at 120 VAC | 16 ms from zero crossing at 240 VAC
General Specifications |  |
Full Output Rating | To 122° F and 5,000 ft To 90° F and 10,000 ft (derate linearly) | To 50° C and 1524 m To 32° C and 3048 m (derate linearly)
Minimum Load | 3.0 A on + 5.0 V output 0.04 A on 12 V output | 3.0 A on + 5.0 V output; 0.04 A on 12 V output
Ambient Temperature Range |  |
Operating | 50° to 122° F | 10° to 50° C
Storage | -40° to 151° F | -40° to 66° C
Dielectric Voltage Withstand |  |
Input to Ground | 2500 VAC/1 second |
Safety Standard | UL 1950; CSA 22.2 #950 or CSA 22.2 #234; TUV/VDE EN 60 950 (VDE0805/11.91); EMKO-TSE (74-SEC) 207/93
Input Transient Susceptibility
Common and Differential Mode (superimposed on AC line) | 2500 V, 1 µs, damped sinusoidal 600 V, 10 µs pulse
Differential Mode | 20% step change in AC input voltage
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