Filter
Top Products
Device Overview
1-6 C141-E088-03EN
(3) Current Requirements and Power Dissipation
Table 1.3 lists the current and power dissipation.
Table 1.3 Current and power dissipation
Typical RMS Current
Typical Power (*3)
MHJ Series
MHK Series
MHJ Series
MHK Series
Spin up (*1)
0.9 A
0.9 A
4.5 W
4.5 W
Idle
170 mA
170 mA
0.85 W
0.85 W
R/W (on track) (*2)
460 mA
460 mA
2.3 W
2.3 W
Seek (*5)
460 mA
460 mA
2.3 W
2.3 W
Standby
56 mA
56 mA
0.28 W
0.28 W
Sleep
20 mA
20 mA
0.1 W
0.1 W
Energy
Consumption
Efficiency (*4)
— —
0.047 W/GB
0.071 W/GB
*1 Current at starting spindle motor.
*2 At 30% disk accessing.
*3 Power requirements reflect nominal values for +5V power.
*4 Energy Consumption Efficiency =
Idle power dissipation / Total record capacity (GB)
*5 The seek average current is specified based on three operations per 100
msec.
(4) Current fluctuation (Typ.) at +5V when power is turned on
Figure 1.1 Current fluctuation (Typ.) at +5V when power is turned on