6.6.2 Nonoperating vibration
The disk drive withstands the following vibration levels without any loss or permanent damage.
6.6.2.1 Random vibration
The test consists of a random vibration applied in each of three mutually perpendicular axes with the time
duration of 15 minutes per axis. The PSD levels for the test simulating the shipping and relocation envir-
onment are shown below.
0.018
500
0.018
40
0.03
5
0.001
2.5
G
2
/Hz
Hz
Figure 33. Random Vibration PSD Profile Breakpoints (nonoperating)
Note: Overall RMS (root mean square) level of vibration is 3.01 G rms.
6.6.2.2 Swept sine vibration
!
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
6.6.3 Operating shock
The hard disk drive meets the following criteria while operating in the conditions described below.
The shock test consists of ten shock inputs in each axis and direction for a total of 60.
There must be a minimum of 3 seconds delay between shock pulses. Soft errors and automatic retries
are allowed during the test.
The drive withstands the following half-sine shock pulse without any data loss or permanent damage.
15 G
180 G
All other models
15 G
150 G
48 GB model
Duration of 11 ms
Duration of 2 ms
Model
Figure 34. 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.
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
38
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