3.5" Floppy Disk Drive
FD-235HF Series

  • Supports 720KB and 1.44MB floppy formats.
  • Utilizes rugged die-cast frame.
  • Easy to install into any available 3.5" drive bay.
  • Retail kit also available.
  • Kit includes drive, installation hardware & manual.

Specifications

  Recording Method: FM or MFM
Media: High density (2HD) or normal density (2DD) 3.5" micro floppy disk
Motor Starting Time: 480msec.or less
Average Latency Time: 100msec. (300rpm)
Index: 1/revolution
Detection Interval: 200msec. +or- 1.5%(300rpm)
MTBF: 30,000 POH or more
MTTR: 30 Minutes or less
Error Rate: Soft read error:1/10 to the 9th bits or less
Hard read error:1/10 to the 12th bits or less
Seek error:1/10 to the 6th seeks or less
Safety Standards: Approved by UL, CSA, TUV
Ambient Temperature: Operating:         4~51.7 deg. C(39~125 deg. F)
Storage:           -22~60 deg. C(-8~140 deg. F)
Transportation: -40~65 deg. C(-40~149 deg. F)
Temperature Gradient: Operating: 20 deg. C(68 deg. F)/hour or less(non-condensing) Storage and Transportation:30 deg. C(86 deg. F)/hour or less (non-condensing)
Relative Humidity: Operating: 20~80% (non-condensing)
     [Maximum wet-bulb temperature of 29.4 deg. C(85 degrees F)]
Storage: 5~90% (non-condensing)
      [Maximum wet-bulb temperature of 40 degrees C(104 deg. F)]
Transportation: 5~95% (non-condensing)
      [Maximum wet-bulb temperature of 45 degrees C(113 deg. F)]
Vibration: Operating:         1.5G or less(10~100Hz, 1oct/min.)
                        1.0G or less(100~200Hz, 1oct/min.)
                        0.5G or less(200~600Hz, 1oct/min.)
Transportation: 2.0G or less(10~100Hz, 1oct/min.)
Shock: Operating:           5G or less(half-sine wave, 11msec.)
Transportation: 70G or less(half-sine wave, 11msec.)
Power Requirements DC + 5V +or- 10% (DC 12V is not necessary)
Permissible ripple: less than 100m Vp-p
Power Comsumption: Stand-by:15mW typical
Read/Write: 1.5W typical
Dimensions: 101.6W X 25.4H X145D (mm)  (4" X 1" X 5.71")
Weight: 345g (0.76lbs) typical


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