Seagate ST3750640SCE ユーザーズマニュアル
DB35.3 Series Serial ATA Product Manual, Rev. D
21
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:
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.
2.13.2
Electromagnetic compatibility
Hard drives that display the CE mark comply with the European Union (EU) requirements specified in the Elec-
tromagnetic Compatibility Directive (89/336/EEC). Testing is performed to the levels specified by the product
standards for Information Technology Equipment (ITE). Emission levels are defined by EN 55022, Class B and
the immunity levels are defined by EN 55024.
tromagnetic Compatibility Directive (89/336/EEC). Testing is performed to the levels specified by the product
standards for Information Technology Equipment (ITE). Emission levels are defined by EN 55022, Class B and
the immunity levels are defined by EN 55024.
Table 7:
Radio frequency environments
Test
Description
Performance level
Reference standard
Electrostatic
discharge
discharge
Contact, HCP, VCP: ± 4
kV; Air:
± 8 kV
B
EN 61000-4-2: 95
Radiated RF
immunity
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
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
immunity
150 kHz to 80 MHz, 3 Vrms, 80% AM with 1 kHz sine
A
EN 61000-4-6: 97
Voltage dips,
interrupts
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)
0.68% (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)
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:
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.
To determine the warranty for a specific drive, use a web browser to access the fol-
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.
Preventive maintenance
None required.