Seagate ST3750840ACE ユーザーズマニュアル
DB35.3 Series PATA Product Manual, Rev. B
17
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:
performance when subjected to the radio frequency (RF) environments defined in the following table:
Table 5:
Radio frequency environments
2.12
Reliability
2.13
Agency certification
2.13.1
Safety certification
The drives are recognized in accordance with UL 1950 and CSA C22.2 (950) and meet all applicable sections
of IEC950 and EN 60950 as tested by TUV North America.
of IEC950 and EN 60950 as tested by TUV North America.
Test
Description
Performance
level
level
Reference
standard
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
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
ENV 50204: 95
Electrical fast transient
± 1 kV on AC mains, ± 0.5 kV on
external I/O
external I/O
B
EN 61000-4-4: 95
Surge immunity
± 1 kV differential, ± 2 kV com-
mon, AC mains
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
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
0% short, 5 seconds
40%, 0.10 seconds
70%, 0.01 seconds
C
C
C
B
C
C
B
EN 61000-4-11: 94
Nonrecoverable read errors
1 per 10
14
bits read, max.
Annualized Failure Rate (AFR)
0.68% (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)
(at nominal voltage and temperature, with 60 cycles per hour and a 50% duty cycle)
Warranty
5 years on distribution units.
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 provide
the drive serial number, model number (or part number) and country of purchase.
The system will display the warranty information for your drive.
the drive serial number, model number (or part number) and country of purchase.
The system will display the warranty information for your drive.
Preventive maintenance
None required.