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1.11.2 Power consumption
In the table below, the values apply at the drive power connector. Current
was measured with an RMS DC ammeter.
Spinup Seek
Read/
write Idle Standby
Current at +12V
Amps max
3.0A — — — —
RMS amps typ
— 0.68 0.50 0.50 0.02
Watts typ
— 8.1 6.0 6.0 0.25
Current at +5V
RMS amps typ
— 0.36 0.36 0.36 0.35
Watts typ
— 1.8 1.8 1.8 1.75
Power
Total watts typ
— 9.8W 7.8W 7.8W 2.0W
1.12 Input noise
+5V +12V
Voltage tolerance
(including noise)
± 5% ± 5%
Input noise frequency
(max)
25 MHz 25 MHz
Input noise
(max, peak-to-peak)
100 mV 240 mV
1.13 Environmental specifications
1.13.1 Ambient temperature
Operating
5
°
to 55
°
C (41
°
to 122
°
F)
Nonoperating –40
°
to 70
°
C (–40
°
to 158
°
F)
Note.
The system must provide sufficient airflow to maintain a
surface temperature of the aluminum base below 60
°
C.
Medalist Pro 6450/6451 Product Manual, Rev. B 11