Hitachi HTC426020G7CE10, Технические характеристики

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K6610170
Rev.2
Dec 22, 2004
- 16 -
3.2. Environmental Specifications and Reliability
Table 3.2 Environmental Specification and Reliability
No. Item Specification
Travelstar
C4K60-30
Travelstar
C4K60-20
Model name HTC426030G7CE00 HTC426020G7CE10
1 Ambient *1 Operational
5 to 60
°
C
temperature Non-operational
-40 to 70
°
C
Temperature gradient
Max. 20
°
C /hour
2 Relative humidity Operational 5 to 90 %
Non-operational 5 to 95 %
Maximum wet Operational
29
°
C (without condensation)
bulb Non-operational
40
°
C (without condensation) *2
3 Vibration Operational 1.0mm p-p or less (5 - 22Hz)
9.8 m/s
2
(1.0G) or less m/s
2
(22 – 500Hz)
Non-operational 5mm p-p or less (5 – 22Hz)
49m/s
2
(5G) or less (22 – 500Hz)
4 Shock *5 Operational
4,900m/s
2
(500G) or less (2 ms, half sine wave)
Non-operational
11,760m/s
2
(1200G) or less (1 ms, half sine wave)
5 Atmospheric condition Without corrosive vapors, salt or organic-metal
compound.(ex. organic silicon, organic tin)
Idle Typical 1.6 Bels 6 Acoustic-noise
*3
seek Typical 2.2 Bels
7 Height Operational 3,000m or less
(Altitude) Non-operational 12,000m or less
Height gradient Max. 300m/min.(3.1kpa/min.)
8
(
*4
)
Data reliability
(with retries and ECC)
Less than 1 non-recoverable error in
10 E 13 bits read
9 External magnetic field 1,500 micro Tesla (DC) or less
*1 : Ambient temperature should be measured at point 10 mm away from the nameplate of the drive. If the
maximum operational ambient temperature cannot be measured at a point 10 mm away from the
nameplate, a substitution method is stipulated in the table below.
Ambient
temperature
Temperature at cover
(Point A)
60
°
C 65
°
C
5
°
C 5
°
C
*2 : In case of the maximum wet bulb 40
°
C , the drive should be
packed in HDD package box with ESD bag and desiccant.
Please see specification 5.1 Packing for reference.
If the drive is not packed in the HDD package box with ESD
bag and desiccant, maximum wet bulb 29
°
C is applied.
Measurement point
(Point A)