1.7.2.1 ST251
There
will
be no
more
than forty-two
(42)
defects total
per
drive.
1.7.2.2 ST251R
There
will
be no
more
than forty-three (43) defects total
per
drive.
1.7.2.3 ST277R
There
will
be no more than sixty-five
(6S)
defects total
per
drive.
1.8 ENVIRONMENTAL SPECIFICATIONS
1.8.1 AMBIENT TEMPERATURE
1.8.1.1 ST251
Operating:
Nonoperating:
1.8.1.2 ST251 R/277R
Operating:
Nonoperating:
1Qoe
to 4soe
(SOoF
to 113°F)
-40
0
e
to 60° (-40°F to 140°F)
1soe
to
4soe (S9°F to 113°F)
-40
0
e
to 60° (-400F to 140°F)
1.8.2 TEMPERATURE GRADIENT
Operating:
Nonoperati ng:
10
o
e/hr.
(18
o
F/hr.) max.
Below
condensation
ST2511251RI277R Product Manual, Rev.A
1-S