beautypg.com

12 electromagnetic immunity, 13 reliability, Electromagnetic immunity – Seagate Barracuda ST340015A User Manual

Page 25: Reliability

background image

Barracuda 5400.1 Product Manual, Rev. G

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)

Service life

The drive shall have a useful service life of five years.

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.