Seagate Barracuda 7200.7 ST3120025A, Руководство по эксплуатации продукта

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U Series 9 Product Manual, Rev. C 17
2.12 Electromagnetic immunity
When properly installed in a representative host system, the drive operates
without errors or degradation in performance when subjected to the radio
frequency (RF) environments defined in the following table:
2.13 Reliability
Test Description
Performance
level Reference
standard
Electrostatic
discharge Contact, HCP, VCP:
±
4 kV;
Air:
±
8 kV
B EN 61000-4-2: 95
Radiated RF
immunity 80 to 1,000 MHz, 3 V/m,
80% AM with 1 kHz sine
900 MHz, 3 V/m, 50% pulse
modulation @ 200 Hz A EN 61000-4-3: 96
ENV 50204: 95
Electrical fast
transient
±
1 kV on AC mains,
±
0.5
kV on external I/O
B EN 61000-4-4: 95
Surge
immunity
±
1 kV differential,
±
2 kV
common, AC mains
B EN 61000-4-5: 95
Conducted
RF immunity 150 kHz to 80 MHz, 3 Vrms,
80% AM with 1 kHz sine A EN 61000-4-6: 97
Voltage dips,
interrupts 0% open, 5 seconds
0% short, 5 seconds
40%, 0.10 seconds
70%, 0.01 seconds C
C
C
B EN 61000-4-11: 94
Nonrecoverable read errors 1 per 10
14
bits read, max.
Mean time between failures 600,000 power-on hours
(nominal power, 25°C ambient temperature)
Contact start-stop cycles 50,000 cycles
(at nominal voltage and temperature, with 60 cycles
per hour and a 50% duty cycle)
Service Life 5 Years
Preventive maintenance None required