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1-6 C141-E120-02EN
(3) Current Requirements and Power Dissipation
Table 1.3 lists the current and power dissipation (typical).
Table 1.3 Current and power dissipation
Typical RMS Current Typical Power (*3)
MHN Series MHN Series
Spin up (*1) 0.9 A 4.5 W
Idle 150 mA 0.75 W
R/W (on track) (*2) 500 mA 2.5 W
Seek (*5) 500 mA 2.5 W
Standby 50 mA 0.25 W
Sleep 20 mA 0.1 W
Energy
Efficiency (*4)
— 0.025 W/GB
(rank E / MHN2300AT)
0.025 W/GB
(rank E / MHN2200AT)
0.050 W/GB
(rank D / MHN2150AT)
0.050 W/GB
(rank D / MHN2100AT)
*1 Current at starting spindle motor.
*2 At 30% disk accessing.
*3 Power requirements reflect nominal values for +5V power.
*4 Energy efficiency based on the Law concerning the Rational Use of Energy
indicates the value obtained by dividing power consumption by the storage
capacity. (Japan only)
*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