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Part Number (s) TEAC FD-235HF
Technical Details
Manufacturer Part Number: FD235HFC891
Product Series: FD-235
Product Model: FD-235HF

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Manufacturer Sony
Model number MPF920-E

Quantity in stock: 500
Condition New

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Specifications Overview

Product Description Teac Floppy Drive FD-235HF – Floppy disk drive – Floppy
Device Type Floppy disk drive
Enclosure Type Internal
Enclosure Color Ivory
Interface Floppy
Dimensions (WxDxH) 10.2 cm x 14.5 cm x 2.5 cm
Weight 0.4 kg
Storage Removable Floppy disk – 3.5″ x 1/3H
Storage Removable Capacity 1.44 MB
Media Type Floppy disk – 3.5″
OS Required Microsoft DOS, Microsoft Windows 95, Microsoft Windows 3.11, Microsoft Windows 3.1, Microsoft Windows NT
Dimensions & Weight
Depth 14.5cm
Height 2cm
Weight 0.4kg
Width 10.2cm
Header
Compatibility PC
Manufacturer TEAC
Model FD-235HF
Packaged Quantity 1
Product Line Teac Floppy Drive
Storage
Drive Type Floppy
Enclosure Type Internal
Interface Floppy
Product Type Floppy disk drive
Type Disk drive
Storage Removable
Native Capacity 1.44MB
Type Floppy disk

Sony MPF 920

General
Manufacturer Sony
Model number MPF920-E
Capacity 2 MB (1.44 MB) on 2HD*
1 MB (720 KB) on 2DD*
* The capacities in parentheses are based on the IBM format.
Performance
Data transfer rate:
2-MB mode
500,000 bits/sec (for MFM)
1-MB mode
250,000 bits/sec (for MFM)
Access times:
Average access time
94 ms
Track-to-track slew rate
3 ms
Head settling time
15 ms (maximum)
Rotational speed 300 rpm ? 1.5%
Motor start time 500 ms (maximum)
Rotational latency 100 ms (average)
Speed change time 200 ms (maximum)
Recording Parameters
Cylinders 80
Tracks 160
Read/write heads 2
Track density 135 tpi
Recording density:
2-MB mode
17,434 bpi
1-MB mode
8,717 bpi
Electrical
Supply voltage +5.0 V ? 10%
Power consumption:
Standby
17 mW (maximum)
Operational
1.5 W (typical)
Current load:
Standby
3 mA (maximum)
Read/write mode
300 mA (typical)
Motor start
930 mA (maximum)
Step during motor rotation
960 mA (maximum)
Size and Weight
Height 25.4 mm (1.0 inch)
Width 101.6 mm (4.0 inches)
Depth 144.0 mm (5.7 inches)*
Weight 430 g (0.95 lb)
* Front-panel thickness and eject button not included
Environmental Limits
Temperature:
Operating
5 to 50C (40 to 122F)
Nonoperating
-40 to 60C (-40 to 140F)
Relative humidity:1
Operating
8% to 80% (noncondensing)
Nonoperating
5% to 95% (noncondensing)
Vibration:2
Operating
10 to 500 Hz at maximum of 0.5 G
Nonoperating
10 to 500 Hz at maximum of 2.0 G
Shock:3
Operating
5.0 G for 11 ms
Nonoperating 70 G for 11 ms
1 Wet bulb at 29?C
2 Continuous along each mutually perpendicular axis
3 Half-sine wave along mutually perpendicular axes
Reliability
MTBF 30,000 POH
MTTR 30 minutes
Preventive maintenance not required
Component life 5 years or 15,000 POH
Error rate:
Soft read errors
1 per 10E9 bits read
Hard read errors
1 per 10E12 bits read
Seek errors
1 per 10E6 seeks