Fujitsu MJA2500BH Maintenance Manual - Page 31
Current Requirements and Power Dissipation, 6 W 1.5 Gbps/1.7 W 3.0 Gbps
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1.3 Power Requirements (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 (*1) Spin up (*2) 1.0 A 5.0 W Idle (*3) 120 mA 0.60 W R/W (on track) (*4) 260 mA (1.5 Gbps)/280 mA (3.0 Gbps) 1.3 W (1.5 Gbps)/1.4 W (3.0 Gbps) Seek (*5) 320 mA (1.5 Gbps)/340 mA (3.0 Gbps) 1.6 W (1.5 Gbps)/1.7 W (3.0 Gbps) Standby (*3) 26 mA 0.13 W Sleep (*3) 26 mA 0.13 W e rank (0.0012 W/GB): MJA2500BH e rank (0.0015 W/GB): MJA2400BH Energy Efficiency (*6) e rank (0.0019 W/GB): MJA2320BH ⎯ d rank (0.0024 W/GB): MJA2250BH d rank (0.0038 W/GB): MJA2160BH d rank (0.0050 W/GB): MJA2120BH d rank (0.0075 W/GB): MJA2080BH *1 Power requirements reflect typical values for +5 V power. *2 Maximum current and power at starting spindle motor. *3 IPM mode: Slumber mode. *4 Current and power level when the operation (command) that accompanies a transfer of 63 sectors is executed 3 times in 100 ms *5 The seek average current is specified based on three operations per 100 msec. *6 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) C141-E293 1-9