Seagate ST940813AM ユーザーズマニュアル
EE25 Series Product Manual, Rev. E
17
2.13
Electromagnetic immunity
When properly installed in a representative host system, the drive operates without errors or degradation in
performance when subjected to the rradio frequency (RF) environments defined in the following table:
performance when subjected to the rradio frequency (RF) environments defined in the following table:
A -
1) No upset or degradation in performance beyond manufacturer’s specified limits.
2) No data loss.
B -
1) Unit self recovers without user intervention.
2) No data loss.
C -
1) Upset OK provided that unit will function after user intervention.
2.14
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 2,000 MHz, 10 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
sine
A
EN 61000-4-6: 97
Power Frequency H-field
immunity
immunity
1 A/m, 50Hz/60Hz, 3 axes
A
EN 61000-4-8: 97
Voltage dips, interrupts
30% Reduction for 25 cycles
>95% Reduction for 250 cycles
>95%, 0.5 cycles
C
C
B
EN 61000-4-11: 94
Measurement type
Specification
Nonrecoverable read errors
1 per 10
14
bits read, max.
Mean time between failures
(MTBF)
(MTBF)
550,000 power-on hours
At 8,760 POH (Power On Hours) per year
Max case temperature: 70°C at the case measurement location shown in Figure 4.
Load/Unload (U/UL)
25°C, 50% relative humidity
32°C, 80% relative humidity
5°C, 80% relative humidity
5°C, 10% relative humidity
60°C, 20% relative humidity
600,000 software-controlled power on/off cycles
30,000 hard power on/off cycles
600,000 software-controlled power on/off cycles
30,000 hard power on/off cycles
Service Life
10 years, form, fit, and function replacement
Warranty
1 year standard (up to 5 years with additional warranty purchase).
To determine the warranty for a specific drive, use a web browser to access the fol-
lowing web page:
lowing web page:
www.seagate.com/support/service/
From this page, click on the “Verify Your Warranty” link. You will be asked to pro-
vide the drive serial number, model number (or part number) and country of pur-
chase. The system will display the warranty information for your drive.
vide the drive serial number, model number (or part number) and country of pur-
chase. The system will display the warranty information for your drive.