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Specifications
WD Scorpio ML320S-AF2
8
RELEASED 4/7/11 (WD CONFIDENTIAL)
2679-771320-A00
2.4.2
Input Voltage Requirements
The input voltage requirement for these drives is +5.0V ± 5%.
2.4.3
Ripple
2.4.4
ESD
The ESD specification compliance is determined at room ambient conditions with nominal power
supply settings, unless otherwise specified.
2.5
Environmental Specifications
2.5.1
Shock and Vibration
Table 2-1. Shock and Vibration
Operating Vibration
Drives are tested by applying a random or swept sinusoidal excitation in each linear axis, one axis at a
time. The drive incurs no physical damage and no hard errors while operating and subjected to
continuous vibration not exceeding the level listed in Table 2-1. Operating performance may degrade
during periods of exposure to continuous vibration.
Non-Operating Vibration
Note
: This specification applies to handling and transportation of unmounted drives.
+5 VDC
Maximum
Frequency
100 mV (peak-to-peak)
10 KHz - 30 MHz
Op-System Level
Minimum
Direct Contact Discharges
8KV
Direct air discharges
15KV
Indirect contact discharges (VCP&HCP)
8KV
Indirect air discharges (VCP&HCP)
15KV
Non-Op Drive Level
Direct contact discharges
8KV
Direct air discharges
15KV
Shock
Operating (2 ms)
350G
Non-operating (2 ms)
1000G
Note: Half-sine wave, measured without shock isolation and without non-recoverable errors.
Vibration
Operating
0.00459 g2/Hz (10-500 Hz)
Non-operating
0.06984 g2/Hz (10-500 Hz)
Drive Generated Vibration
Operating (average)
0.12 gm-mm
Rotational Shock Non-Operating
Amplitude
50K rad/sec
2
Duration
2 ms