Barracuda 18LP Family: ST39175LW/LC ST318275LW ... - Seagate

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28 Barracuda 18LP Product Manual, Rev. E 6.4.4.2 Vibration a. Operating - normal The drive as installed for normal operation, shall comply with the complete specified performance while subjected to continuous vibration not exceeding 5-22 Hz @ .02 inches (0.5 mm) displacement 22-350 Hz @ 0.5 G Vibration may be applied in the X, Y, or Z axis. b. Operating - abnormal 5-22 Hz @ .03 inches (0.7 mm) displacement 22-350 Hz @ 0.75 G (X, Y, or Z axis) c. Non-operating The limits of non-operating vibration shall apply to all conditions of handling and transportation. This includes both isolated drives and integrated drives. The drive shall not incur physical damage or degraded performance as a result of continuous vibration not exceeding 5-22 Hz @ 0.081 inches (2.05 mm) displacement 22-350 Hz @ 2.00 G Vibration may be applied in the X, Y, or Z axis. 6.4.5 Air cleanliness The drive is designed to operate in a typical office environment with minimal environmental control. 6.4.6 Acoustics Sound power during idle mode shall be 4.1 bels typical when measured to Seagate’s 30553-001 specification. 6.4.7 Electromagnetic susceptibility See Section 2.1.2.
Barracuda 18LP Product Manual, Rev. E 29 6.5 Mechanical specifications The following nominal dimensions are for information only. Refer to Figures 6a and 6b for detailed (toleranced) mounting configuration dimensions. See Section 8.4, “Drive mounting.” Height: 1.000 in 25.4 mm Width: 4.000 in 101.6 mm Depth: 5.75 in 146.05 mm Weight: 1.3 pounds 0.589 kilograms [3] C G [1] E F D A Notes: [1] Mounting holes three on each side, 6-32 UNC. Max screw length into side of drive 0.15 in. (3.81 mm). Screw tightening torque 6.0 in-lb (.675 NM) max with minimum thread engagement of 0.12 in. (3.05 mm). [2] Mounting holes four on bottom, 6-32 UNC. Max screw length into bottom of drive 0.15 in. (3.81 mm). Screw tightening torque 6.0 in-lb (.675 NM) max with minimum thread engagement of 0.12 in. (3.05 mm). B [3] Power and interface connectors can extend past the “A” dimension by 0.040 in. (1.02 mm). [4] Centerline of pad for Pin 1 of power connector. J [4] L [5] Centerline of pad for Pin 1 of J6. [6] Centerline of pad for Pin 1 of J2. Dimensions indicated are for reference only. [7] Dimensions to Pin 1 of each connector are nominal values. K [2] M [6] [6] N H S [8] J2 J6 P [5] R LED [8] [9] To pin ends on J6. Pin ends on J6 are nominally flush with end of drive. Nominal values cannot be added to any toleranced dimension to achieve a valid toleranced dimension. A B C D E F G H J K L M N P R S Dimension Table Inches Millimeters 146.05 101.60 25.45 5.75 4.00 1.002 2.362 1.120 4.000 .250 1.750 3.750 1.625 .143 .753 .165 .405 2.265 2.350 ± .025 ± .015 + .027 – .21 ± .010 ± .020 ± .010 + .010 – .005 ± .010 ± .010 ± .020 60.00 28.45 101.60 6.35 44.45 95.25 41.28 3.63 19.13 4.19 10.29 52.53 59.69 ± .64 ± .25 + .69 – .53 ± .25 ± .51 ± .25 + .25 – .12 ± .25 ± .25 ± .51 [7] [7] Figure 6a. Mounting configuration dimensions for “LW” model
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Barracuda 18LP Family: ST39175LW/LC ST318275LW ... - Seagate

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