Seagate CHEETAH 15K.5 SCSI ST3146855LC - Manual (Page 28)

22 Cheetah 15K.5 SCSI Product Manual, Rev. J
7.0 Physical/electrical specifications
This section provides information relating to the physical and electrical characteristics of the Cheetah 15K.5
SCSI drive.
7.1 AC power requirements
None.
7.2 DC power requirements
The voltage and current requirements for a single drive are shown in the following table. Values indicated apply
at the drive power connector. The tables show current values in Amperes.
Table 3: ST3300655LC DC power requirements
Notes LVD mode
Voltage +5 V +12 V
Regulation [5] ±5% ±5% [2]
Average idle current DC X [1][6] 0.70 0.80
Maximum starting current
(peak DC) DC
(peak AC) AC
3 σ
3 σ
[3]
[3]
0.76
1.07
1.94
3.35
Delayed motor start (max) DC 3 σ [1] [4] 0.57 0.03
Peak operating current
DC
Maximum DC
Maximum (peak) DC
X
3 σ
3 σ
[1]
[1]
0.69
0.70
1.38
1.18
1.23
2.90