Fujitsu MHT2030AT Manual/User Guide - Page 27
Current Requirements and Power Dissipation, Power Requirements
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1.3 Power Requirements (4) Current Requirements and Power Dissipation Table 1.3 lists the current and power dissipation (typical). Table 1.3 Current and power dissipation Spin up (*1) Idle R/W (on track) (*2) Seek (*5) Standby Sleep Energy Efficiency (*4) Typical RMS Current MHT2080AT,MHT2060AT, MHT2040AT,MHT2030AT, MHT2020AT 0.9 A 130 mA Read 400 mA / Write 420mA 460 mA 50 mA 20 mA - Typical Power (*3) MHT2080AT,MHT2060AT, MHT2040AT,MHT2030AT, MHT2020AT 4.5 W 0.65 W Read 2.0 W / Write 2.1 W 2.3 W 0.25 W 0.1 W 0.008 W/GB (rank E / MHT2080AT) 0.011 W/GB (rank E / MHT2060AT) 0.016 W/GB (rank E / MHT2040AT) 0.022 W/GB (rank D / MHT2030AT) 0.033 W/GB (rank D / MHT2020AT) *1 Current 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 nominal 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. (5) Current fluctuation (Typ.) at +5 V when power is turned on C141-E192-02EN 1-7