Hitachi 100GB 7200 RPM HTE721010G9SA00 User Manual
Product codes
HTE721010G9SA00
Travelstar E7K100 (Serial ATA) Hard Disk Drive Specification
25
enclosure surface.
6.3 Conductive noise
The disk drive will 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.
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.
6.4 Magnetic fields
The disk drive will withstand radiation and conductive noise within the limits shown below. The test method is
defined in the Noise Susceptibility Test Method specification, P/N 95F3944.
defined in the Noise Susceptibility Test Method specification, P/N 95F3944.
6.5 DC power requirements
Connection to the product should be made in a safety extra low voltage (SELV) circuits. The voltage specifications
are applied at the power connector of the drive.
are applied at the power connector of the drive.
Footnotes:
1
The maximum fixed disk ripple is measured at the 5 volt input of the drive.
2
The disk drive shall not incur damage for an over voltage condition of +25% (maximum duration of
Table 14: Magnetic flux density limits
Frequency (KHz)
Limits (uT RMS)
0-60
500
61-100
250
101-200
100
201-400
50
Item
Requirements
Nominal supply
+5 Volt dc
Supply voltage
-0.3 Volt to 6.0 Volt
Power supply ripple (0-20
MHz)
1
100 mV p-p max.
Tolerance
2
±5%
Supply rise time
1-100ms
Table 15: DC Power requirements
Watts (RMS Typical)
Performance Idle average
3
2.0
Read average
4
2.3
Write average
2.3
Seek average
5
2.7
Standby
0.25
Sleep
0.2
Startup (maximum peak)
6
5.5
Average from power on to
ready
ready
3.8