Specification; Environment; Temperature And Humidity; Figure 20. Environmental Condition - IBM IC25N020ATDA04 - Travelstar 20 GB Hard Drive Specifications

6.0 Specification

6.1 Environment

6.1.1 Temperature and humidity

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

Figure 20. Environmental condition

Note: The system is responsible for providing sufficient air movement to maintain surface temperatures
below 60°C at the center of the top cover and below 63°C at the center of the drive circuit board assembly.
Maximum storage period with shipping package is one year.
100

Figure 21. Limits of temperature and humidity

Operating conditions
5 to 55°C (See Note)
8 to 90% noncondensing
29.4°C noncondensing
20°C/hour
–300 to 3048 m (10,000 ft)
Non operating 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)
90
80
70
60
Non Operating
50
40
30
20
10
0
-45 -35 -25 -15 -5
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
31'C/90%
Operating
55'C/15
%
5 15 25 35
Temperature (degC)
25
41'C/95%
WetBulb 40'C
WetBulb29.4'C
65'C/23
%
45 55 65