Hitachi hard disk 0J11285 500 GB 2.5 " 8 MB 0J11285 Ficha De Dados
Códigos do produto
0J11285
Z5K500 OEM Specifications
25
6.2
DC power requirements
Connection to the product should be made in a safety extra low voltage (SELV) circuits. The voltage
specifications are applied at the power connector of the hard disk drive.
specifications are applied at the power connector of the hard disk drive.
Item
Requirements
Nominal supply
+5 Volt dc
Supply voltage
–0.3 Volt to 6.0 Volt
Power supply ripple (0–20 MHz)
1
100 mV p-p max.
Tolerance
2
±5%
Supply rise time
1–100 ms
Watts (RMS Typical)
7
Performance Idle average
3
1.5
Read average
4
1.6
Write average
1.6
Seek average
5
1.8
Standby 0.2
Sleep 0.1
Sleep 0.1
Startup (maximum peak)
6
4.5
Average from power on to ready
3.0
Table 14 DC Power requirements
Footnotes:
1.
The maximum fixed disk ripple is measured at the 5 volt input of the drive.
2.
The disk drive shall not incur damage for an over voltage condition of +25% (maximum
duration of 20 ms) on the 5 volt nominal supply.
duration of 20 ms) on the 5 volt nominal supply.
3.
The idle current is specified at an inner track.
4.
The read/write current is specified based on three operations of 63 sector read/write per
100 ms.
100 ms.
5.
The seek average current is specified based on three operations per 100 ms.
6.
The worst case operating current includes motor surge.
7.
“Typical” mean average of the drive population tested at nominal environmental and
voltage conditions.
voltage conditions.
6.2.1
Power consumption efficiency
Capacity
500GB 320GB
Power Consumption Efficiency (Watts/GB)
0.0011
0.0017
Table 15 Power consumption efficiency
Note: Power consumption efficiency is calculated as Power Consumption of Performance Idle Watt/
Capacity (GB).
Capacity (GB).