Hitachi 7K100 Hard Drive Specifications - Page 37
Radiation noise, Conductive noise, Magnetic fields
UPC - 683728198671
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6.1.2 Radiation noise The drive shall work without degradation of the soft error rate under the following magnetic flux density limits at the enclosure surface. Table 14: Magnetic flux density limits Frequency (KHz) Limits (uT RMS) 0-60 500 61-100 250 101-200 100 201-400 50 6.1.3 Conductive noise The disk drive shall work without soft error degradation in the frequency range from DC to 20 Mhz injected through any two of the mounting screw holes of the drive when an AC current of up to 45 mA (p-p) is applied through a 50-ohm resistor connected to any two mounting screw holes. 6.1.4 Magnetic fields The disk drive will withstand radiation and conductive noise. The test method is defined in the Noise Susceptibility Test Method specification, P/N 95F3944. Travelstar 7K100 Hard Disk Drive Specification 23