4

 

U Series 5 Family Product Manual, Rev. B

 

 

 

 

 

 

 

Drive Specification

ST340823A

ST330621A

ST320413A

ST315311A

ST310211A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wet bulb tempera-

 

 

 

 

 

 

ture (°C max)

 

29.4 (op.), 40.0 (nonop.)

 

 

Altitude, operating

–198 m to 3,048 m (–200 ft to 10,000+ ft)

 

 

 

 

 

 

 

Altitude (meters be-

–198 m to 12,192 m (–200 ft to 40,000+ ft)

low mean sea level,

max)

 

 

 

 

 

 

 

 

 

 

 

 

 

Shock, operating

 

 

 

 

 

 

(Gs max at 2 msec)

 

 

63

 

 

 

 

 

 

 

 

 

 

Shock, nonoperat-

 

 

 

 

 

 

ing (Gs max at 2

 

 

350 Gs

msec)

 

 

 

 

 

 

 

 

 

Vibration, operating

 

0.5 Gs (0 to peak, 22–350 Hz)

 

 

 

 

 

 

 

Vibration,

 

 

 

 

 

 

nonoperating

 

5 Gs (0 to peak, 22–350 Hz)

 

 

 

 

 

 

 

Drive acoustics

 

 

 

 

 

 

Sound power in bels

 

 

 

 

 

 

Idle mode

3.0 (typical), 3.2 (max)

2.9 (typical), 3.2 (max)

Quiet Seek

3.2 (typical), 3.4 (max)

3.1 (typical), 3.4 (max)

Performance Seek

3.6 (typical), 3.8 (max)

3.5 (typical), 3.7 (max)

 

 

 

 

 

 

 

Nonrecoverable

 

1 per 1013 bits read

read errors

 

Mean time between

 

 

 

 

 

 

failures (power-on

 

 

500,000

 

 

 

hours)

 

 

 

 

 

 

 

 

 

 

 

 

 

Contact start-stop

 

 

 

 

 

 

cycles (25°C, 40%

 

 

50,000

 

 

 

relative humidity)

 

 

 

 

 

 

 

 

 

 

SeaShield

 

 

Yes