Hitachi HTS541680J9SA00 Specifications - Page 35

Nonoperating vibration, Operating shock, Nonoperating shock

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6.5.2 Travelstar 5K160 (SATA) Hard Disk Drive Specification Nonoperating vibration The disk drive withstands the following vibration levels without any loss or permanent damage. 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. Hz 2.5 5 40 500 Table 19. Random Vibration PSD Profile Breakpoints (nonoperating) (m/sec2)/Hz 0.096 2.88 1.73 1.73 Note: Overall RMS level of vibration is 29.50 m/sec2 (3.01 G). 6.5.2.2 Swept sine vibration 49 m/sec2 (5 G) (zero-to-peak), 10 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. Duration of 1 ms 1568 m/sec2 (160 G) Table 20. Operating shock Duration of 2 ms 3185 m/sec2 (325 G) 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. Duration of 1 ms 9800 m/sec2 (1000 G) Table 21. Nonoperating shock Duration of 11 ms 1470 m/sec2 (150 G) 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. 35/167

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Travelstar 5K160 (SATA) Hard Disk Drive Specification
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6.5.2
Nonoperating vibration
The disk drive withstands the following vibration levels without any loss or permanent damage.
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.
Hz
(m/sec
2
)/Hz
2.5
0.096
5
2.88
40
1.73
500
1.73
Table 19. Random Vibration PSD Profile Breakpoints (nonoperating)
Note: Overall RMS level of vibration is 29.50 m/sec
2
(3.01 G).
6.5.2.2
Swept sine vibration
y
49 m/sec
2
(5 G) (zero-to-peak), 10 to 500 to 10 Hz sine wave
y
0.5 oct/min sweep rate
y
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:
y
The shock test consists of 10 shock inputs in each axis and direction for a total of 60.
y
There must be a minimum delay of 3 seconds between shock pulses.
y
The disk drive will operate without a hard error while subjected to the following half-sine shock pulse.
Duration of 1 ms
Duration of 2 ms
1568 m/sec
2
(160 G)
3185 m/sec
2
(325 G)
Table 20. Operating shock
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.
Duration of 1 ms
Duration of 11 ms
9800 m/sec
2
(1000 G)
1470 m/sec
2
(150 G)
Table 21. Nonoperating shock
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.