Western Digital AC2250 HARD DISK DRIVE REPAIR, Western Digital AC2250 HARD DISK DRIVE SPECIFICATIONS,
Western Digital AC2250 hard disk drive sales, Western Digital AC2250 hard disk drive repair, Western Digital AC2250 hard disk drive specifications, 
Western Digital AC2250 Hard Disk Drive Repair, Western Digital AC2250 Hard Disk Drive Specifications, Western Digital AC2250 Western Digital AC2250
Specifications



western digital ac2250 picture.
western digital ac2250 picture.
western digital ac2250 picture.

Western Digital AC2250 Specifications
Model Capacity Size Height Bus Type Int.Type
AC2250 256MB 3.5" SL IDE AT

Specifications for the WD Caviar AC2250

Recommended Setup Parameters
Cylinders 1010
Heads 9
Sectors/Track 55
Landing Zone 1010
WPC 1010
Jumper Setting Information Six Pin Drive
10 and 6 Pin Jumper Settings

Physical Specifications
Formatted Capacity* 256 MB
Interface 40-pin EIDE
Actuator Type Rotary Voice Coil
Number of Platters 2
Data Surfaces 3
Number of Heads 3
Bytes Per Sector 512
User Sectors Per Drive 499,950
Servo Type Embedded
Recording Method 1,7 RLL
ECC Reed Solomon
Head Park** Automatic

* Western Digital defines a megabyte (MB) as 1,000,000 bytes and a gigabyte (GB) as 1,000,000,000 bytes.

** Turning the system power off causes the WD Caviar to perform an automatic head park operation.

Performance Specifications
Average Seek (Read) 13 ms
Track to Track Seek 4.0 ms
Full Stroke Seek 26 ms
Average Latency 9 ms
Rotational Speed 3322 RPM
Transfer Rate (Buffer to Host) 5.75 Mbits/second
Interleave 1:1
Buffer Size 32 KB
Error Rate (Non-Recoverable) <1 in 1013 bits read
Spindle Start Time
- From Power-on to Drive Ready*
   
5s typical
Contact Start/Stop Cycles (CSS) 20,000 minimum

* Defined as the time from power-on to the setting of the Drive Ready and Seek Complete including calibration.

Physical Dimensions
Height English:
1.00 inch (±0.02 inch)

Metric:
25.4 mm (±0.51 mm)

Length English:
5.75 inches (±0.02 inch)

Metric:
146.05 mm (±0.51 mm)

Width English:
4.00 inches (±0.02 inch)

Metric:
101.6 mm (±0.51 mm)

Weight (min) English:
1.12 pounds

Metric:
.508 kg


Electrical Specifications
Current Requirements and Power Dissipation
Operating Mode Power, Typical*
Spinup 12.0 W
Read/Write 3.0 W
Power Management Commands
Operating Mode Power, Typical*
Idle 2.0 W
Standby 0.28 W
Sleep 0.26 W

Input Voltage Requirements

+5.0V (±5%) and 12.0V (±5%)

* All values are typical (25°C, 5.0V, and 12V input) except where specified as maximum.

Environmental Specifications
Shock:* Operating
10 G

Non-operating
70 G
Vibration Operating
5-21 Hz, 0.034 inches (double amplitude)
21-400 Hz, 0.75 G (0 to peak)

Non-operating
5-21 Hz, 0.195 inches (double amplitude)
21-500 Hz, 4.0 G (0 to peak)

Operating Temperature and Humidity Temperature
5º C to 55º C (41ºF to 131ºF)

Humidity
8-80% RH non-condensing

Thermal Gradient
10°C/hour (maximum)
Non-Operating Temperature and Humidity

Temperature
-40º C to 60º C (-40ºF to 140ºF)

Humidity
5-95% RH non-condensing

Thermal Gradient
20°C/hour (maximum)

Acoustics Idle Mode**
36 dBA (typical)
Reliability

MTBF
250,000 Hours

Warranty Period
Warranty Status

* Half sine wave, measured without shock isolation and without non-recoverable errors.

** No audible pure tones.


All manufacturer's Names, Logos and trademarks are the properties of the respective manufacturer.


HOME Western Digital drives All Hard Drives


Check our Media Store for all your Floppy Disk and Tape Supplies.


Contact us

Copyright © 1997 - 2011 Erv Fleckstein ( M. Farris & Associates ). All Rights Reserved.