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Travelstar 5K80 Hard Disk Drive Specification
32
6.5.2.1 Random vibration
The test consists of a random vibration applied in each of three mutually perpendicular axes for a duration of
15 minutes per axis. The PSD levels for the test simulating the shipping and relocation environment is shown
below.
Note:
Overall RMS (root mean square) level of vibration is 29.50 m/sec
2
(3.01 G).
6.5.2.2 Swept sine vibration
•
49 m/sec
2
(5 G) (zero-to-peak), 5 to 500 to 10 Hz sine wave
•
0.5 oct/min sweep rate
•
25.4 mm (peak-to-peak) displacement, 5 to 10 to 5 Hz
6.5.3 Operating shock
The hard disk drive meets the criteria in the table below while operating under these conditions:
•
The shock test consists of 10 shock inputs in each axis and direction for a total of 60.
•
There must be a minimum delay of 3 seconds between shock pulses.
•
The disk drive will operate without a hard error while subjected to the following half-sine shock pulse
The input level shall be applied to the normal disk drive subsystem mounting points used to secure the drive in a
normal system.
6.5.4 Nonoperating shock
The drive withstands the following half-sine shock pulse without any data loss or permanent damage.
The shocks are applied for each direction of the drive for three mutually perpendicular axes, one axis at a time.
Input levels are measured on a base plate where the drive is attached with four screws
Table 20: Random Vibration PSD Profile Breakpoints (nonoperating)
Hz
(m2/sec4)/Hz
2.5
0.096
5
2.88
40
1.73
500
1.73
Table 21: Operating shock
Duration of 2 ms
Duration of 11 ms
1960 m/sec
2
(200 G)
147 m/sec
2
(15 G)
Table 22: Nonoperating shock
Duration of 1 ms
Duration of 11 ms
7840 m/sec
2
(800 G)
1176 m/sec
2
(120 G)
Содержание HTS548020M9AT00
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