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Savvio SAS Product Manual, Rev. D
25
6.0 Physical/electrical specifications
This section provides information relating to the physical and electrical characteristics of the drive.
6.1 AC power requirements
None.
6.2 DC power requirements
The voltage and current requirements for a single drive are shown below. Values indicated apply at the drive
connector.
Table 12: ST973401SS DC power requirements
Notes
ST973401SS
3 Gbit mode
ST973401SS
1.5 Gbit mode
(Amps) (Amps) (Amps) (Amps)
Voltage +5V +12V [2] +5V +12V [2]
Regulation [5] ±5% ±5% [2] ±5% ±5% [2]
Avg idle current DCX [1] [7] 1.01 0.20 1.03 0.20
Maximum starting current
(peak DC) DC 3σ [3] 1.17 1.94 1.18 1.94
(peak AC) AC 3σ [3] 1.40 2.91 1.40 2.91
Delayed motor start (max) DC 3σ [1] [4] 1.05 0.05 0.96 0.05
Peak operating current:
Typical DCX [1] [6] 1.05 0.48 0.96 0.47
Maximum DC 3σ [1] 1.07 0.50 0.98 0.49
Maximum (peak) DC 3σ 1.44 1.48 1.34 1.46