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  5. FD1231H Floppy Drive

FD1231H Floppy Drive

FD1231H - 1.44 MB, 3.5 Inch

1.44 MB formatted storage, Read/write compatible with 720 KB drives, Consumes only .015 watts in standby mode 30,000 Hr MTBF.

Capacity : Formatted:
720 KB mode = 720 KB
1.44 MB mode = 1.44 MB

Unformatted:
720 KB Mode = 1 MB
1.44 MB Mode = 2 MB
Dimensions
Height: 1.0 in/25.4 mm
Width: 4.0 in/101.6 mm
Depth: 5.75 in/146 mm
Weight: 1.1 lb/470 G
Disk Configuration
Disk Size: 3.5"
Track Density: 135 tpi
Bit Density: 720 KB Mode = 8,717 bpi
1.44 MB Mode = 17,434 bpi
Environmental
Temperature: Operating = 4° to 46° C
Non-operating = -20
Humidity: Operating = 20% to 80%
Non-operating = 10% to 90%
Performance Specifications
Seek Times: Track to track = 3 ms
Settle Time: 15 ms
Interface: 34 pin
Power
Voltage Req'd: +5V
Pwr Dissipation: Read/write mode = 1.25 watts
Stand by mode = .015
Reliability
MTBF: 30,000 POH
MTTR: <30 Minutes
Device Life: 15,000 POH or 5 years
Specifications
Rotational Rate: 300 RPM
Data Transfer: 720 KB Mode = 250 KB/s
1.44 MB Mode = 500 KB/s