Specification; Environment; Figure 1. Limits Of Temperature And Humidity; Table 12. Environmental Condition - Hitachi HTS542516K9SA00 Specifications

6 Specification

6.1

Environment

Temperature and humidity
6.1.1
Temperature
Relative humidity
Maximum wet bulb temperature
Maximum temperature gradient
Altitude
Temperature
Relative humidity
Maximum wet bulb temperature
Maximum temperature gradient
Altitude

Table 12. Environmental condition

The system is responsible for providing sufficient air movement to maintain surface temperatures below
60°C at the center of top cover and below 63°C at the center of the drive circuit board assembly.
The maximum storage period in the shipping package is one year.
100
90
80
70
60
50
40
30
20
10
0
-45 -35

Figure 1. Limits of temperature and humidity

Corrosion test
6.1.2
The hard disk drive must be functional and show no signs of corrosion after being exposed to a
temperature humidity stress of 50°C/90%RH (relative humidity) for one week followed by a temperature
and humidity drop to 25'C/40%RH in 2 hours.
Operating conditions
5 to 55°C (See note below)
8 to 90% noncondensing
29.4°C noncondensing
20°C/hour
–300 to 3048 m (10,000 ft)
Nonoperating conditions
–40 to 65°C
5 to 95% noncondensing
40°C noncondensing
20°C/hour
–300 to 12,192 m (40,000 ft)
Specification (Environment)
Non Operating
Operating
-25 -15 -5 5 15
Temperature (degC)
Page 24 of 171
5K250 SATA OEM Specification
41'C/95%
31'C/90%
W etBulb 40'C
W etBulb29.4'C
65'C/23%
55'C/15%
25 35 45 55 65