Hitachi DK23FB-60, DK23FB-40, DK23FB-20 DATASHEET

2.5 inch ATA-5 hard disk drives
Up to 60 GB capacity

Hitachi Travelstar DK23FB
hard disk drives

Highlights

 60, 40, and 20 GB capacities, ATA-5 hard disk drives

 High-performance 5400 RPM

 Whisper-quiet operational acoustics rating of 3 Bels

 Outstanding operation shock rating of 250G/2ms

 Excellent choice for mobile users who demand

rugged performance

Hitachi Travelstar DK23FB hard disk drive specifications

Product name Travelstar DK23FB

Model number DK23FB-60
DK23FB-40
DK23FB-20

Configuration

Interface ATA-5
Capacity (GB)
Sector size (bytes) 512
Recording zones 16
Disks 2/2/1
Data heads 4/3/2
Max. Areal Density(Gbits/sq. inch) 68.5 (2 disks) / 62.5 (1 disk)

Performance

Data Buffer(MB)2 8
Rotational speed (rpm) 5400
Latency(average ms) 5.6
Max. media transfer rate (MB/sec) 50.2 (2 disks) / 45.5 (1 disk)
Max. interface transfer rate(Mb/sec) 100MB/secUltra DMA-mode5

16.6MB/sec PIO mode4/Multiword DMA mode 2

Seek time (ms)
Average (typical) 13
Track-to-track (typical) 3
Full-stroke (typical) 24

Reliability

Error rate (non-recoverable) < 1 per 1013 bits transferred
Load/Unload cycle 300,000

Power

Requirement +5VDC(±5%)
Dissipation (typical)
Startup(max.peak) 4.50 W
Seek(average) 2.25 W
Read(average) 2.00 W
Write(average) 2.10 W
Performance (idle) 0.85 W
Active Idle(average) 1.10 W
Low Power idle(average) 1.75 W
Standby(average) 0.15 W
Sleep 0.10 W

Physical size

Height (mm) 9.5
Width (mm) 70
Depth (mm) 100
Weight (g) 95 (2 disks), 91 (1 disk)

Environmental characteristics

Operating
Ambient temperature 5% - 55%
Relative humidity (non-condensing) 5% - 90%
Maximum wet bulb (non-condensing) 29° C
Shock (half sine wave) 250G/2ms
Vibration (sine wave) 1.0 G (22 - 500Hz)

Non-operating
Ambient temperature -40° to 70° C
Relative humidity (non-condensing) 5% - 95%
Maximum wet bulb (non-condensing) 40° C
Shock (half sine wave) 800G/1ms
Vibration (sine wave) 5.0G (22 - 500Hz)

Acoustic noise (Bels)

Idle (typical) 2.8

Seek (typical) 3.1

1

GB equals one billion bytes when referring to hard drive capacity; accessible capacity may be less.

2

Space reserved for firmware

1

60/40/20

Hitachi Global Storage Technologies

For more information

Internet and e-mail:

• www.hgst.com

• N. America: [e-mail]

• EMEA: [e-mail]

• Asia Pacic: [e-mail]

Hitachi hard drive product information:

• US: 1 888 426-5214

• For a complete list of worldwide phone

numbers, visit www.hgst.com/support

© Copyright Hitachi Global Storage Technologies 2003

Hitachi Global Storage Technologies
5600 Cottle Road
San Jose, CA 95193

Produced in the United States
10/03
All rights reserved

TravelstarTM is a trademark of
Hitachi Global Storage Technologies.

Other product names are trademarks or registered
trademarks of their respective companies.

Adaptive Battery Life Extender, and Drive Fitness Test
are trademarks of Hitachi Global Storage Technologies.

References in this publication to Hitachi Global Storage
Technologies products, programs or services do not
imply that Hitachi Global Storage Technologies intends
to make these available in all countries in which Hitachi
Global Storage Technologies operates.

Product information is provided for information pur­poses only and does not constitute a warranty.

Information is true as of the date of publication and is
subject to change. Actual results may vary.

This publication is for general guidance only.

Photographs may show design models.