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Fujitsu MAU3147RC Product/maintenance Manual
Also see for MAU3036RC SERIES: Technical manual
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4.3 Connection RequirementsC141-E222 4-5(4) Environmental temperatureTemperature condition at installed in a cabinet is indicated with ambient temperature measured30 mm from the disk drive. At designing the system cabinet, consider following points.• Make a suitable air flow so that the DE surface temperature never exceed 60°C.• Cool the PCA side especially with air circulation inside the cabinet. Confirm the cooling effectby measuring the surface temperature of specific ICs and the DE. These measurement resultsmust satisfy the temperature condition listed in Table 4.1.• Keeping the DE surface temperature at 50°C or below at ambient temperature 30°C, which is acondition for assuring an MTBF of 1,400,000 hours, requires an air flow of 0.5 m/s or more.Table 4.1 Surface temperature check point and maximum temperatureNo. Measurement point Maximum temperature1 DE Surface 60°C2 Read channel LSI 80°C3 VCM/SPM Driver 92°C4 HDC 91°C5 MPU 88°CFigure 4.5 Surface temperature measurement points |
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