Samsung FDD(SFD-321 B )

Features

  • Compact 1 inch height size
  • 3 Mode storage capacity (unformatted)
    2.0/1.0 Mbytes-Factory Standard
    1.6/1.0 Mbytes
    2.0/1.6/1.0 Mbytes
  • 250/500 Kbits/sec trandsfer rate
  • 3 msec track to track access time
  • Brushless dual-speed DC direct drive moter
  • 20,000 hours MTBF 925% of duty cycle)
  • Dual read channels
  • Low power consumption
  • Industry standard interface compatibility
  • Low accoustic noise

PERFORMANCE

  • Unformatted Capacity : 2.0MB / 1.6MB /1.0MB
  • Formatted Capacity : 1.44MB /1.2MB / 720KB
  • Data Transfer Rate : 500K Bps / 250K BPS
  • Rotational Speed : 300 / 360RPM
  • Recording Density : 17,434BPI/14,528BPI/8,717BPI
  • Track Density : 135TPI
  • Number of Track : 160
  • Encoding Method : MFM
  • Access time
    Track to Track : 3ms
    Setting time : 15ms
    Average : 94ms
    Average latency : 100ms
    Motor Start Time : 500ms

Specification

Environment

Operating

Non-operating

Ambient Temperature

5oto 45oC

-22o to 60oC

Relative Humidity

20 to 80%

10 to 90%

Max. Wet Bulb Temp.

29oC

29oC

Vibration

1.5G(10-100Hz)
0.5G(200-600Hz)

1.0G(100-200Hz)

Shock(11ms Max.)

5 G Max.

60 G Max.

  • D.C. Power supply : +5V +,-5%
  • Power consumption : 1.5W operating 0.18W standby
  • Mechanical dimensions : 101.6(W)x145(D)x25.4(H)mm
  • Weight : 460 gram
  • Safety Approvals : UL, CSA, TUV

  • RELIABILITY

  • M.T.B.F : 20,000 Power-On Hours
  • M.T.T.R : 30 Minutes
  • Component Life : 5 years
  • Media Life : 3 x 106 passes/track
  • Error Rates
    -Soft Errors : 1 per 109 bits read
    -Hard Erros : 1 per 1012 bits read
    -Seek Errors : 1 per 106 seeks

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