Seagate ST3400833ACE ユーザーズマニュアル

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DB35 Series 7200.2 Product Manual, Rev. C
2.11
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:
Table 5: 
Radio frequency environments
2.12
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 com-
mon, 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.
Annualized Failure Rate (AFR)
0.70% (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)
Preventive maintenance
None required