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1-8 C141-E224
(5) 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)
Spin up (*1)
1.0 A 5.0 W
Idle (*6)
120 mA 0.60 W
R/W (on track) (*2)
380 mA 1.9 W
Seek (*5)
420 mA 2.1 W
Standby (*6)
26 mA 0.13 W
Sleep (*6)
26 mA 0.13 W
Energy
Efficiency (*4)
—
0.0050 W/GB (rank E / MHV2120BH)
0.0060 W/GB (rank E / MHV2100BH)
0.0075 W/GB (rank E / MHV2080BH)
0.0100 W/GB (rank E / MHV2060BH)
0.0150 W/GB (rank D / MHV2040BH)
*1 Maximum current and power at starting spindle motor.
*2 Current and power level when the operation (command) that accompanies a
transfer of 63 sectors is executed 3 times in 100 ms
*3 Power requirements reflect typical values for +5 V 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.
*6 IPM mode: Slumber mode.