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FUJITSU C141-E090-02EN User Manual

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C141-E090-01EN

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Current Requirements and Power Dissipation

Table 1.3 lists the current and power dissipation.

Table 1.3

Current and power dissipation

Typical RMS current (*1) [mA]

+12 V

+5 V

Model

MPE

3102AH

MPE

3136AH

MPE

3204AH

MPE

3273AH

All

Models

MPE

3102AH

MPE

3136AH

MPE

3204AH

MPE

3273AH

Spin up

1600

1800 peak

1600

1800 peak

1600

1800 peak

1600

1800 peak

540

640 peak

21.9

21.9

21.9

21.9

Idle (Ready)
(*3)

340

340

400

460

420

6.2

6.2

6.9

7.6

R/W (On Track)
(*4)

340

340

400

460

450

6.3

6.3

7.1

7.8

Seek (Random)
(*5)

640

640

670

700

420

9.8

9.8

10.1

10.5

Standby

7.0

7.0

7.0

7.0

185

1.0

1.0

1.0

1.0

Sleep

7.0

7.0

7.0

7.0

185

1.0

1.0

1.0

1.0

*1

Current is typical rms except for spin up.

*2

Power requirements reflect nominal values for +12V and +5V power.

*3

Idle mode is in effect when the drive is not reading, writing, seeking, or executing any commands. A portion of the R/W circuitry is powered
down, the spindle motor is up to speed and the Drive ready condition exists.

*4

R/W mode is defined as 50% read operations and 50% write operations on a single physical track.

*5

Seek mode is defined as continuous random seek operations with minimum controller delay.

Typical Power (*2) [watts]

Mode of Operation