Seagate Cheetah 15K.5 FC ST373455FC - Manual (Page 33)

Cheetah 15K.5 FC Product Manual, Rev. D 23
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. Notes are shown following table 4.
Table 2: DC power requirements for ST3300655FC model
1 Gbit 2 Gbit 4 Gbit
Notes (Amps) (Amps) (Amps) (Amps) (Amps) (Amps)
Voltage +5V +12V [2] +5V +12V [2] +5V +12V [2]
Regulation [5] ±5% ±5% [2] ±5% ±5% [2] ±5% ±5% [2]
Avg idle current DCX [1] [7] 0.76 0.76 0.83 0.81 0.86 0.75
Maximum starting current
(peak DC) DC 3 σ [3] 0.80 1.94 0.84 1.94 0.89 1.94
(peak AC) AC 3 σ [3] 1.22 3.41 1.30 3.48 1.34 3.44
Delayed motor start (max) DC 3 σ [1] [4] 0.45 0.03 0.49 0.03 0.53 0.03
Peak operating current:
Typical DCX [1] [6] 0.69 1.13 0.72 1.12 0.78 1.16
Maximum DC 3
σ
[1] 0.69 1.17 0.73 1.17 0.79 1.21
Maximum (peak) DC 3
σ
1.48 3.08 1.56 3.04 1.60 3.04